Move scripts into their own subdirectory.

[fvwmconf.git] / scripts / thumbnail.sh

diff --git a/scripts/thumbnail.sh b/scripts/thumbnail.sh
new file mode 100755 (executable)
index 0000000..958092c
--- /dev/null
+++ b/scripts/thumbnail.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+music=/home/music
+thumbs="$HOME/.fvwm/.thumbs"
+
+if [ ! -d "$thumbs" ]; then
+       mkdir "$thumbs" || exit 1
+fi
+
+size="x128"
+printimg=""
+ismusic=""
+
+while [ "${1#--}" != "$1" -a "$1" != "-" ]; do
+       if [ "$1" = "--small" ]; then
+               size="56"
+       elif [ "$1" = "--size" ]; then
+               size="$2"
+               shift
+       elif [ "$1" = "--music" ]; then
+               ismusic="yes"
+       elif [ "$1" = "--image" ]; then
+               printimg="yes"
+       else
+               echo "unrecognised option: $1" 1>&2
+               exit 1
+       fi
+       shift
+done
+[ "$1" = "-" ] && shift
+
+if ! expr match "$size" '^\([0-9]*\(x[0-9]\+\)\?\)$' &>/dev/null; then
+       echo "invalid size specification: $size" 1>&2
+       exit 1
+fi
+
+if [ -z "$1" ]; then
+       echo "usage: thumbnail.sh [--small|--size <spec>] [--image] [--music] path" 1>&2
+       exit 1
+fi
+
+if [ -n "$ismusic" ]; then
+       path="$music/`dirname "${1#$music}"`/cover.jpg"
+       [ ! -f "$path" ] && path="${path%jpg}png"
+else
+       path="$1"
+fi
+
+[ ! -f "$path" ] && exit 0
+
+image="`readlink -f -- "$path"`"
+[ ! -f "$image" ] && exit 0
+
+thumb="$thumbs/`echo -n $image | md5sum - | cut -d ' ' -f 1`_$size.png"
+if [ -f "$thumb" ]; then
+       mtime_s="`stat -c %Y -- "$image"`"
+       mtime_t="`stat -c %Y -- "$thumb"`"
+       if [ "$mtime_s" -gt "$mtime_t" ]; then
+               convert -scale "$size" "$image" "$thumb"
+       fi
+else
+       convert -scale "$size" "$image" "$thumb"
+fi
+
+echo "$thumb"
+[ -n "$printimg" ] && echo "$image"
+exit 0