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Use grep's -q option rather than &>/dev/null

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This commit is contained in:
Alexander van Gessel 2013-04-03 09:44:44 +02:00
parent a53fe30e5b
commit 83fee1daed
1 changed files with 3 additions and 3 deletions
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6
utils/indexed2rgb.sh
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@ -55,19 +55,19 @@ echo -n "Converting $input_number files to RGB mode... "
for f in $filelist
do
if !(pngcheck $f|grep 'RGB+alpha' &> /dev/null)
if !(pngcheck $f|grep -q 'RGB+alpha')
then
# -define png:color-type=6 is the PNG way to specify RGBA, it doesn't always work though
# http://www.imagemagick.org/Usage/formats/#png_write
convert -define png:color-type=6 $f $f.new
if !(pngcheck $f.new|grep 'RGB+alpha' &> /dev/null)
if !(pngcheck $f.new|grep -q 'RGB+alpha')
then
# asking the PNG writer nicely didn't work, force it instead
convert -type TrueColorMatte $f $f.new
fi
if (pngcheck $f.new|grep 'RGB+alpha' &> /dev/null)
if (pngcheck $f.new|grep -q 'RGB+alpha')
then
mv -f $f.new $f
converted="${converted} ${f}"