ranger: update scope.sh

diff --git a/ranger/scope.sh b/ranger/scope.sh
index 0d7e0df554256f028c356c0e34f700ae37810e65..44fcec2bce85632ca9334a9250e17d913d618286 100755 (executable)
--- a/ranger/scope.sh
+++ b/ranger/scope.sh
@@ -16,31 +16,52 @@
 # 3    | fix width  | success. Don't reload when width changes
 # 4    | fix height | success. Don't reload when height changes
 # 5    | fix both   | success. Don't ever reload
+# 6    | image      | success. display the image $cached points to as an image preview
+# 7    | image      | success. display the file directly as an image
 
 # Meaningful aliases for arguments:
-path="$1"    # Full path of the selected file
-width="$2"   # Width of the preview pane (number of fitting characters)
-height="$3"  # Height of the preview pane (number of fitting characters)
+path="$1"            # Full path of the selected file
+width="$2"           # Width of the preview pane (number of fitting characters)
+height="$3"          # Height of the preview pane (number of fitting characters)
+cached="$4"          # Path that should be used to cache image previews
+preview_images="$5"  # "True" if image previews are enabled, "False" otherwise.
 
 maxln=200    # Stop after $maxln lines.  Can be used like ls | head -n $maxln
 
 # Find out something about the file:
 mimetype=$(file --mime-type -Lb "$path")
-extension=${path##*.}
+extension=$(/bin/echo "${path##*.}" | awk '{print tolower($0)}')
 
 # Functions:
 # runs a command and saves its output into $output.  Useful if you need
 # the return value AND want to use the output in a pipe
 try() { output=$(eval '"$@"'); }
 
-# writes the output of the previouosly used "try" command
-dump() { echo "$output"; }
+# writes the output of the previously used "try" command
+dump() { /bin/echo "$output"; }
 
 # a common post-processing function used after most commands
 trim() { head -n "$maxln"; }
 
 # wraps highlight to treat exit code 141 (killed by SIGPIPE) as success
-highlight() { command highlight "$@"; test $? = 0 -o $? = 141; }
+safepipe() { "$@"; test $? = 0 -o $? = 141; }
+
+# Image previews, if enabled in ranger.
+if [ "$preview_images" = "True" ]; then
+    case "$mimetype" in
+        # Image previews for SVG files, disabled by default.
+        ###image/svg+xml)
+        ###   convert "$path" "$cached" && exit 6 || exit 1;;
+        # Image previews for image files. w3mimgdisplay will be called for all
+        # image files (unless overriden as above), but might fail for
+        # unsupported types.
+        image/*)
+            exit 7;;
+        # Image preview for video, disabled by default.:
+        ###video/*)
+        ###    ffmpegthumbnailer -i "$path" -o "$cached" -s 0 && exit 6 || exit 1;;
+    esac
+fi
 
 case "$extension" in
     # Archive extensions:
@@ -59,6 +80,9 @@ case "$extension" in
     # BitTorrent Files
     torrent)
         try transmission-show "$path" && { dump | trim; exit 5; } || exit 1;;
+    # ODT Files
+    odt|ods|odp|sxw)
+        try odt2txt "$path" && { dump | trim; exit 5; } || exit 1;;
     # HTML Pages:
     htm|html|xhtml)
         try w3m    -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; }
@@ -70,10 +94,19 @@ esac
 case "$mimetype" in
     # Syntax highlight for text files:
     text/* | */xml)
-        try highlight --out-format=ansi "$path" && { dump | trim; exit 5; } || exit 2;;
+        if [ "$(tput colors)" -ge 256 ]; then
+            pygmentize_format=terminal256
+            highlight_format=xterm256
+        else
+            pygmentize_format=terminal
+            highlight_format=ansi
+        fi
+        try safepipe highlight --out-format=${highlight_format} "$path" && { dump | trim; exit 5; }
+        try safepipe pygmentize -f ${pygmentize_format} "$path" && { dump | trim; exit 5; }
+        exit 2;;
     # Ascii-previews of images:
-    #image/*)
-    #    img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;;
+    image/*)
+        img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;;
     # Display information about media files:
     video/* | audio/*)
         exiftool "$path" && exit 5