Scripts: fixed realpath usage

.scripts/archive

@@ -60,6 +60,13 @@ if [ $# -eq 0 ]; then
     exit 1
 fi
 
+## We need 'realpath' since we need to work on the real path for the input
+## files/folders and the archive location. Otherwise we could have troubles with
+## circular symlinks and so on.
+if ! command -v realpath >/dev/null; then
+    echo >&2 "'realpath' is required."
+    exit 1
+fi
 
 _archive()
 {

.scripts/asciify

@@ -72,9 +72,7 @@ _asciify()
 }
 
 if [ $# -ge 1 ]; then
-    for i; do
-        _asciify "$i"
-    done
+    _asciify "$@"
 else
     _asciify
 fi

.scripts/cutlines

@@ -44,7 +44,6 @@ done
 shift $(($OPTIND - 1))
 
 if $OPT_TAIL; then
-    # sed -n -e ":begin ; 1,${OPT_LINES}!{P;N;D} ; N ; b begin" $1
     sed -n -e ":begin ; 1,${OPT_LINES}!{P;N;D} ; N ; b begin" $1
 else
     sed -n -e "1,${OPT_LINES}!p" "$@"

.scripts/extract

@@ -60,8 +60,11 @@ command -v atool >/dev/null && echo "You should use atool instead." && echo
 _extract()
 {
     echo "[$1]"
-    FOLDER="$(realpath "$1")"
-    FOLDER="${FOLDER%/*}"
+    case "$1" in
+        */*) FOLDER="${1%/*}";;
+        *) FOLDER="." ;;
+    esac
+
 	case "$1" in
 		*.tar*|*.tbz2|*.tbz|*.tgz|*.txz) tar xf "$1" -C "$FOLDER" ;;
 		*.7z)      7z x "$PASS" -o"$FOLDER" "$1";;

.scripts/imagemount

@@ -134,6 +134,13 @@ if [ $# -eq 0 ]; then
     exit 1
 fi
 
+if ! command -v realpath >/dev/null; then
+    echo >&2 "'realpath' is required."
+    exit 1
+fi
+
+
+## realpath is needed to check if image was already mounted or not.
 if $OPT_UNMOUNT; then
     for i ; do
         _umount "$(realpath "$i")"

.scripts/zshcd

@@ -12,19 +12,21 @@ ZDIRS="$HOME/.cache/zsh/dirs"
 ## Fetch file location dynamically.
 if [ ! -f ~/.zshrc ]; then
     echo '~/.zshrc not found. Exiting.'
-    exit
-fi
-if ! command -v realpath; then
-    echo "'realpath' not found. Exiting."
-    exit
+    exit 1
 fi
 
+## We need realpath to prevent us from adding duplicates to the zsh
+## DIRSTACKFILE.
+if ! command -v realpath; then
+    echo "'realpath' not found. Exiting."
+    exit 1
+fi
 
 SHELL_DIR_GREP="$(grep "SHELL_DIR=" ~/.zshrc | cut -f2 -d=)"
 [ -n "$SHELL_DIR_GREP" ] && SHELL_DIR="$(eval echo "$SHELL_DIR_GREP")"
 if [ ! -d "$SHELL_DIR" ]; then
     echo 'SHELL_DIR not found. Could not search for DIRSTACKFILE. Exiting.'
-    exit
+    exit 1
 fi
 
 ZDIRS_GREP="$(grep -rm1 'DIRSTACKFILE=' "$SHELL_DIR" | cut -f2 -d=)"
@@ -32,7 +34,7 @@ ZDIRS_GREP="$(grep -rm1 'DIRSTACKFILE=' "$SHELL_DIR" | cut -f2 -d=)"
 
 if [ ! -f "$ZDIRS" ]; then
     echo 'DIRSTACKFILE not found. Exiting.'
-    exit
+    exit 1
 fi
 
 ## Prepend argument to zsh dirstack.

.shell.d/alias_rc

@@ -45,7 +45,7 @@ alias grep='grep --color=auto'
 [ ${#XDG_APPS} -ne 0 ] && alias applist='grep -R "^Name=" $XDG_APPS | cut -d'=' -f2 | sort'
 
 ## Remove executable attribute.
-alias nox='find * -type f -exec chmod a-x {} +'
+alias nox='find . -type f -exec chmod a-x {} +'
 
 ## Get your external IP.
 command -v curl >/dev/null && alias myip='curl ifconfig.me'