Ranger: replace image preview by textual details (mediainfo).

Shell: TeX Live package installation and removal optimized.

.config/ranger/scope.sh

@@ -82,9 +82,18 @@ case "$mimetype" in
         # FIXME: does not work!
 		# highlight --out-format=xterm256 -s zmrok "$path" | head -n $maxln
 		success && exit 5 || exit 2;;
-	# Ascii-previews of images:
+
+    # CUSTOM
 	image/*)
-		img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;;
+  	    ## Ascii-previews of images:
+		# img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;;
+		## Use sed to remove spaces so the output fits into the narrow window
+		if have mediainfo; then
+			mediainfo "$path" | sed 's/  \+:/: /;'
+			success && exit 5
+		fi
+		exit 1;;
+
 	# Display information about media files:
 	video/* | audio/*)
 		have exiftool && exiftool "$path" && exit 5

.shell.d/funs_rc

@@ -920,25 +920,19 @@ formatc()
 
 ## TeXlive
 if [ -d "/usr/local/texlive" ]; then
-
     ## WARNING: it is important to set umask properly, otherwise users might
     ## not have authorization to use the packages.
 
-    ## TODO: It is dirty to invoke a subshell several times.
-    ## Would be better to pass one parameter, then to tokenize it.
+    ## This is bad pratice to write args without double quotes, but since we
+    ## are sure there is no space in TeX Live packages, it is OK here.
 
     tli ()
     {
-        for i ; do
-            sudo sh -c 'umask 022 && tlmgr install "$0"' "$i"
-        done
+        sudo sh -c 'umask 022 && tlmgr install $0 $@' "$@" 
     }
 
     tlr ()
     {
-        for i ; do
-            sudo sh -c 'umask 022 && tlmgr remove "$0"' "$i"
-        done
+        sudo sh -c 'umask 022 && tlmgr remove $0 $@' "$@" 
     }
-
 fi

.shell.d/main_rc

@@ -45,6 +45,7 @@ fi
 
 ## Terminal
 ## WARNING: this is always a bad idea!
+## FreeBSD urxvt $TERM variable is not set properly for some reasons.
 ## TODO: check how to do this properly.
 if [ ! "$OSTYPE" = "linux-gnu" ] && [[ "$TERM" = *rxvt* ]]; then 
     export TERM="rxvt-unicode-256color"