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Ckath/gltch

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convert -coalesce fun.gif fun_frame%d.jpg
for f in fun_frame*.jpg; do convert $f -gravity center -pointsize 150 -annotate 0 'gltch' $f; gltch $f; done
convert fun_frame*.jpg -layers Optimize fun.gif

fun

small utility to 'glitch' files, most notably .jpg files, originally made to replace the slow image glitch part of glitchlock. all this really does is write data to random places within the file, skipping headers to attempt to not completely ruin the file. I've found it quite useful for testing invalid or corrupted input for other programs and glitching various files. used also in my small lockscreen script

demo

some files glitched using gltch demo1 demo2 demo3 demo4

install

make install

usage

usage: gltch [-d data] [-n passes] [-s skip/offset] file
-d	data to write to random positions, ^A by default
-n	number of passes, 10 by default
-s	headerbytes to skip, 20 by default

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small file glitch utility

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