1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
| #!/bin/bash
CONVERT="`which convert`"
GIFSICLE="`which gifsicle`"
if test -z "$CONVERT" -o -z "$GIFSICLE"; then
echo "ppm2gif: warning: could not find 'convert' or 'gifsicle'" >&2
echo "ppm2gif: the output will just be concatenated PPM files" >&2
cat
else
command="gifsicle --colors 256 --optimize --delay 5"
ppm="convert"
while test $# -gt 0; do
case $1 in
-s)
ppm="$ppm -extract $2"
shift
;;
*)
command="$command $1"
;;
esac
shift
done
if test -d "$TMPDIR" ; then
log=`mktemp $TMPDIR/ppm2gif.XXXXXX`
else
log=`mktemp /tmp/ppm2gif.XXXXXX`
fi
$ppm ppm:- $log-%04d.gif
if $command $log-*.gif 2> $log; then :
else
cat $log >&2
rm -f $log*
exit 1
fi
rm -f $log*
fi
|
