511 lines
13 KiB
Plaintext
511 lines
13 KiB
Plaintext
################################################################################
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## Shell -- Functions.
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## Date 2012-06-21
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################################################################################
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## Make dir and go into it.
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mkcd () {
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mkdir -p "$*"
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cd "$*"
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}
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## Quick search.
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search()
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{
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find . -iname "*$1*"
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}
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## Cut last n lines in file, 10 by default.
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cuttail()
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{
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nlines=${2:-10}
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#sed -n -e :a -e "1,${nlines}!{P;N;D;};N;ba" $1
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head $1 -n$(($(cat $1|wc -l) - $nlines))
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}
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## Cut first n lines in file, 10 by default.
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cuthead()
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{
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nlines=${2:-10}
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tail $1 -n$(($(cat $1|wc -l) - $nlines))
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}
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## Move filenames to lowercase.
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## Use ranger + bulkrename + vim/emacs (+ TwindleCase) for more interactivity.
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renamelower()
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{
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for file ; do
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filename=${file##*/}
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case "$filename" in
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*/*)
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dirname==${file%/*} ;;
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*)
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dirname=.;;
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esac
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nf=$(echo $filename | tr A-Z a-z)
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newname="${dirname}/${nf}"
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if [ "$nf" != "$filename" ]; then
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mv "$file" "$newname"
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echo "lowercase: $file --> $newname"
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else
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echo "lowercase: $file not changed."
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fi
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done
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}
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## Swap 2 filenames around.
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renameswap()
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{
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local TMPFILE=tmp.$$
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mv "$1" $TMPFILE
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mv "$2" "$1"
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mv $TMPFILE "$2"
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}
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## Finds directory sizes and lists them for the current directory.
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dirsize ()
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{
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TEMPFILE="$(mktemp)"
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# du -shx * .[a-zA-Z0-9_]* 2> /dev/null | \
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du -shx * 2> /dev/null | \
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egrep '^ *[0-9.]*[MG]' | sort -n > ${TEMPFILE}
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egrep '^ *[0-9.]*M' ${TEMPFILE}
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egrep '^ *[0-9.]*G' ${TEMPFILE}
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rm -rf ${TEMPFILE}
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}
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## Network operations
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if [ -e "/usr/bin/nmap" ]; then
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networkmap() {
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echo "$1"
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for SCANIP in $( nmap -sL "$1" | grep -i "\([[:digit:]]\+\.\)\{3,\}[[:digit:]]\+" | awk '{print $5}' ); do
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sudo nmap -oX - -n -sT -T Normal -O -sR -I -F -P0 "$SCANIP"
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echo
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done
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}
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fi
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## Vim-only: search the vim reference manual for a keyword
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## usage: :h <keyword>
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if [ -e "/usr/bin/vim" ]; then
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:h()
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{
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vim --cmd ":silent help $@" --cmd "only";
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}
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fi
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## Set file/directory owner and permissions according to umask.
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## Usage: sanitize FILE|FOLDER
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sanitize()
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{
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chown -R ${UID}:${GID} "$@"
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chmod -R $(umask -S) "$@"
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}
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asciify()
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{
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asciify_help()
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{
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echo
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echo "Usage:"
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echo -e "\t$1 FILES"
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echo
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echo "Synopsis:"
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echo -e "\tConvert non-ASCII characters to their ASCII equivalent."
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echo
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}
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if [ $# -eq 0 ]; then
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echo "Missing arguments."
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asciify_help $0
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return
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fi
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for i; do
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sed -i 's/[àáâä]/a/g' "$i"
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sed -i 's/[éèêë]/e/g' "$i"
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sed -i 's/[ïîí]/i/g' "$i"
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sed -i 's/[öôó]/o/g' "$i"
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sed -i 's/[ùúûü]/u/g' "$i"
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sed -i 's/[À]/A/g' "$i"
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sed -i 's/[ÉÈ]/E/g' "$i"
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sed -i 's/[ñ]/n/g' "$i"
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sed -i 's/[œ]/oe/g' "$i"
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sed -i 's/[Œ]/Oe/g' "$i"
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sed -i 's/[æ]/ae/g' "$i"
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sed -i 's/[Æ]/Ae/g' "$i"
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sed -i 's/[ç]/c/g' "$i"
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sed -i 's/[Ç]/C/g' "$i"
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done;
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}
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## steal
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steal()
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{
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steal_help()
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{
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echo
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echo "Usage:"
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echo -e "\t$1 STRING FILE"
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echo
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echo "Synopsis:"
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echo -e "\tAppend a silently prompted string to STRING from FILE."
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echo
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}
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if [ $# -ne 2 ]; then
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echo "Wrong number of arguments."
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steal_help $0
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return
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fi
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STRING="$1"
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FILE="$2"
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read -s DUMMY
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sed -i "s/${STRING}/${STRING}${DUMMY}/g" "${FILE}"
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echo File stolen.
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}
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## Start X and lock current terminal (press ENTER when back in terminal to prompt for password)
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if [ -e "/usr/bin/vlock" ]; then
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sx(){
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startx &
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vlock
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}
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fi
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## Colored man pager.
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man()
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{
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env \
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LESS_TERMCAP_mb=$(printf "\e[1;31m") \
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LESS_TERMCAP_md=$(printf "\e[1;31m") \
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LESS_TERMCAP_me=$(printf "\e[0m") \
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LESS_TERMCAP_se=$(printf "\e[0m") \
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LESS_TERMCAP_so=$(printf "\e[1;44;33m") \
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LESS_TERMCAP_ue=$(printf "\e[0m") \
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LESS_TERMCAP_us=$(printf "\e[1;32m") \
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man "$@"
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}
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## Extractor -- Useless when using 'atool'.
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if [ ! -e "/usr/bin/atool" ]; then
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extract () {
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if [ -f $1 ] ; then
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case $1 in
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*.tar.bz2) tar xvjf $1 ;;
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*.tar.gz) tar xvzf $1 ;;
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*.tar.xz) tar xvJf $1 ;;
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*.bz2) bunzip2 $1 ;;
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*.rar) unrar x $1 ;;
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*.gz) gunzip $1 ;;
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*.tar) tar xvf $1 ;;
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*.tbz2) tar xvjf $1 ;;
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*.tgz) tar xvzf $1 ;;
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*.zip) unzip $1 ;;
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*.Z) uncompress $1 ;;
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*.7z) 7z x $1 ;;
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*.xz) unxz $1 ;;
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*.exe) cabextract $1 ;;
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*) echo "\`$1': unrecognized file compression" ;;
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esac
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else
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echo "\`$1' is not a valid file"
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fi
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}
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fi
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# Warning: use this function with caution. It may drastically improve
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# compression of some PDF files, but in some case, the output filesize will be
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# greater! You should not use it over PDF files embedding pictures as well.
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pdfcompress ()
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{
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if [ $# -lt 1 -o $# -gt 2 ]; then
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echo "Usage: pdfcompress PDFFILE [DESTFILE]"
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return
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fi
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if [ ! -f "$1" ]; then
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echo "$1 is not a valid PDF file!"
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fi
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INPUTFILE="$1"
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if [ -z "$2" ]; then
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gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile="${INPUTFILE%%.*}-COMPRESSED.pdf" "${INPUTFILE}"
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rm -rf "${INPUTFILE}"
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mv "${INPUTFILE%%.*}-COMPRESSED.pdf" "${INPUTFILE}"
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else
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OUTPUTFILE="$2"
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gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile="${OUTPUTFILE}" "${INPUTFILE}"
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fi
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}
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# This function will clean TeX/LaTeX project folders recursively.
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function texclean ()
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{
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if [ -z "$1" ]; then
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WORKDIR="$PWD"
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else
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WORKDIR="$1"
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fi
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find "$WORKDIR" \( \
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-name "*.aux" -o \
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-name "*.idx" -o \
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-name "*.ilg" -o \
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-name "*.ind" -o \
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-name "*.lof" -o \
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-name "*.log" -o \
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-name "*.nav" -o \
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-name "*.out" -o \
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-name "*.snm" -o \
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-name "*.tns" -o \
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-name "*.toc" \) \
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-exec echo {} \; \
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-exec rm -f {} \;
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}
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## Create an archive from a single or multiples files/folders.
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## This archive
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archive-project ()
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{
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if [ $# -eq 1 ]; then
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ARCPATH="$(dirname $(readlink -f "$1"))"
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ARCSOURCE="$(basename $(readlink -f "$1"))"
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ARCNAME="${ARCSOURCE}-$(date +%y-%m-%d-%H%M%S).tgz"
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(cd "$ARCPATH" && \
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tar cvzf "$ARCNAME" "$ARCSOURCE" --exclude-vcs)
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else
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ARCSOURCE="$(basename $PWD)"
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ARCNAME="$(basename "$ARCSOURCE")-$(date +%y-%m-%d-%H%M%S).tgz"
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if [ $# = 0 ];then
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(cd "$PWD/.." && \
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tar cvzf "$ARCNAME" "$ARCSOURCE" --exclude-vcs)
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else
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FILELIST=()
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for i; do
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FILELIST=(${FILELIST[*]} "$i")
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done
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tar cvzf "$ARCNAME" ${FILELIST[*]} --exclude-vcs
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fi
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fi
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}
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## Clean current folder
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cleanvcs()
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{
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unset CHOICE
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echo "This will clean current folder from all VCS control files."
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echo -n "Proceed ? [y/N] "
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while [ -z "$CHOICE" ];
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do
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# read 'Proceed [y/N] ' CHOICE
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read CHOICE
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done
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CHOICE=$(echo $CHOICE | tr '[:upper:]' '[:lower:]')
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if [ "$CHOICE" = "y" ]; then
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find . -type d -name ".svn" -exec rm -rf {} \;
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echo "VCS files cleaned."
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fi
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}
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## LSOF stats. Print number of open files per process.
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lsofstat()
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{
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LSOFOUT=$(lsof|awk '{print $1}')
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for i in $(echo $LSOFOUT |sort -u);do
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echo -n "$i "
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echo $LSOFOUT | grep ^$i | wc -l
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done
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}
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##==============================================================================
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## Pacman Functions
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##==============================================================================
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## Compare installed packages with list.
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if [ -f "/usr/bin/pacman" ]; then
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pacman-size()
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{
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if [ $# -ne 1 ];then
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echo "Wrong number of arguments."
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return
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fi
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echo "$1"
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RESULT=""
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for i in $(pacman -Qlq $1); do
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if [ -f "$i" ]; then
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RESULT+="$(du -sh "$i")\n"
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fi
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done
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echo -e "${RESULT}" | grep -v "^$" | sort -h
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# English locale only.
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echo -n "Total: "
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pacman -Qi $1 | grep "Size" | sed 's/^[^[:digit:]]*//'
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}
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fi
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## Retrieve official packages list.
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if [ -f "/usr/bin/pacman" ]; then
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pacman-official()
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{
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diff <(pacman -Qq|sort) <(pacman -Qmq | sort) --new-line-format='' --unchanged-group-format='%>'
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}
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fi
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## Compare installed packages with list.
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if [ -f "/usr/bin/pacman" ]; then
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pacman-diff()
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{
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OPTION_FOREIGN=""
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OPTION_LOCAL=">"
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pdhelp()
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{
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echo "Synopsis:"
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echo -e " $1 [-m|-e] [-q] FILE"
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echo
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echo "Usage:"
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echo -e " default:\tDisplay packages included in FILE but not installed."
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echo -e " -e:\t\tCompare FILE to explicitly installed packages."
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echo -e " -h:\t\tDisplay this help."
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echo -e " -m:\t\tCompare FILE to foreign installed packages."
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echo -e " -q:\t\tDisplay installed packages not included in FILE."
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}
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OPTION_EXPLICIT=""
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OPTION_FOREIGN=""
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OPTION_LOCAL=">"
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while getopts ":hmqe" opt; do
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case $opt in
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e)
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OPTION_EXPLICIT="e"
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;;
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h)
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pdhelp "$0"
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return 1
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;;
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m)
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OPTION_FOREIGN="m"
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;;
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q)
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OPTION_LOCAL="<"
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;;
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?)
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pdhelp "$0"
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return 1
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;;
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:)
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echo "Missing argument."
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echo "Use $0 -h for help."
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return 1
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;;
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esac
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done
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shift $(($OPTIND - 1))
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if [ $# -eq 0 ]; then
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echo "Missing argument."
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echo "Use $0 -h for help."
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return 1
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fi
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diff <(pacman -Qq${OPTION_FOREIGN}${OPTION_EXPLICIT} | sort) <(cat "$*" | sort) | grep "${OPTION_LOCAL}" | cut -f2 -d" "
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}
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fi
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## Print a detailed view of package deps size and total size.
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if [ -f "/usr/bin/pacman" ]; then
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pacman-deps()
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{
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## Arguments
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if [ $# -ne 1 ];then
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echo "Requires only one single argument."
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return
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fi
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## Bold High Intensty colors
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BIBlack='\e[1;90m' # Black
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BIRed='\e[1;91m' # Red
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BIGreen='\e[1;92m' # Green
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BIYellow='\e[1;93m' # Yellow
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BIBlue='\e[1;94m' # Blue
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BIPurple='\e[1;95m' # Purple
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BICyan='\e[1;96m' # Cyan
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BIWhite='\e[1;97m' # White
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CReset='\e[0m' # Text Reset
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ARROW="${BIBlue}==>${CReset}"
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CMD="pacman -Qi"
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APP_OUTPUT=$(eval "${CMD} $1" 2>&1)
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if [ ! -z "$(echo "$APP_OUTPUT" | grep "^error:")" ];then
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CMD="pacman -Si"
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APP_OUTPUT=$(eval "${CMD} $1" 2>&1)
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# Make sure package is available online.
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if [ ! -z "$(echo "$APP_OUTPUT" | grep "^error:")" ];then
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echo "Package not found!"
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return
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fi
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fi
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## List of dependencies. Note that it is stored as an ARRAY!
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DEPLIST=($( echo "$APP_OUTPUT" | grep "Depends"| sed -e 's/Depends On.*: //g' | sed -e 's/[>=<][^ ]*//g'))
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DEPLIST_INFO="$(eval "$CMD ${DEPLIST[*]}" 2>&1)"
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SKIPPED_DEPS="$(echo "$DEPLIST_INFO" | awk '/^error:/ {print $3}')"
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SIZE_ARRAY="$(echo "$DEPLIST_INFO" | awk '/^Installed Size/ {print $4}' | sed -e 's/\.[[:digit:]]*//g')"
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echo -e "${ARROW} ${BIGreen}Deps size for ${BIYellow}$1${CReset}"
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echo "$DEPLIST_INFO" | awk '/^Name/ {pkg=$3} /^Installed Size/ {print $4 " " $5,pkg}' | sort -n
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TOTAL_SIZE=0
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for i in $(echo "$SIZE_ARRAY"); do
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TOTAL_SIZE=$(($TOTAL_SIZE+$i))
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done
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echo -e "${ARROW} ${BIGreen}Summary${CReset}"
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echo "$APP_OUTPUT"
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echo -e "${BIRed}Deps size${CReset} : $(echo "${TOTAL_SIZE}") KiB"
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TOTAL_SIZE=$(($TOTAL_SIZE+$(echo "$APP_OUTPUT" | awk '/^Installed Size/ {print $4}'| sed -e 's/\.[[:digit:]]*//g')))
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echo -e "${BIRed}Total size${CReset} : $(echo "${TOTAL_SIZE}") KiB"
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if [ ! -z "$SKIPPED_DEPS" ]; then
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echo -e "$ARROW${BIPurple} Warning!${CReset} Errors were ecountered on"
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echo -e "$SKIPPED_DEPS"
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fi
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}
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## TODO: completion does not work as is. It requires pacman arguments like -S or -Q.
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## There should be a way to use it.
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# if isShell "zsh" ; then
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# compdef _pacman pacman-deps
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# elif isShell "bash"; then
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# complete -o default -o nospace -F _pacman pacman-deps
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# fi
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fi
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