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GIFTool , a tool for GIF89a trasnparent option and interlace mode.
Usage: giftool [options] [file]
giftool (-p|-c|-B) [options] [files...]
-B Batch Mode, read and write the same filename
-i Set GIF Interlace mode ON
+i Set GIF Interlace mode OFF
-p Print information about file(s)
-c Print comment information
+c Add comments to file(s)
-C Strip comment from file(s)
-o file Send output to 'file'
-rgb name Use 'name' as the transparent pixel
-rgb ##,##,## Use rgb-value as the transparent pixel
-### Used pixel index as transparent (1 == first colormap entry)
For instance you could say 'giftool -B -i *.gif' to convert all your images
to interlaced GIF files in one easy step.
giftool version 1.0 is Copyright 1994 Home Pages, Inc and is shareware.
Please, use the -info option to read the licensing information.
PORT BUILD OPTION
=================
There are two useful options are suggested and available for this port of
giftool. You can specify it following "make clean".
make RETVALUE=yes
-----------
Giftool does not return value from main(), so it is impossible to use this
tools in programs like make(1) or pipes.
This option is suggested by Sergei Chechetkin <csl@whale.sunbay.crimea.ua>.
make MALLOCSIZE=yes
---------------
Giftool 1.0 or some earlier version cause segmentation fault about some
images. Something about pre-read seems to be bad, so make malloc size
bigger to improve that.
This option is suggested by Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>.
You can specify all options such as 'make RETVALUE=yes MALLOCSIZE=yes'.
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