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executable file 65 lines (44 sloc) 1.361 kb
#!/bin/bash
file=$1
#make a directory to do the glitching
rand=$RANDOM
mkdir /tmp/temp_$rand
cd /tmp/temp_$rand
#convert the movie to frames
avconv -i $file -qscale 0 out_%d.bmp
#count the number files in the directory
fileno=$(ls out_*.bmp -1 | wc -l)
#begin the glitch loop
no=1
while [ $no -le $fileno ]
do
rand1=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 1)
rand2=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 1)
rand3=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 1)
rand4=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 1)
rand5=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 2)
rand6=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 2)
convert -separate out_$no.bmp in_%d.bmp
#glitch the red channel
sed -i s/$rand1/$rand4/g in_0.bmp
#glitch the green channel
sed -i s/$rand2/$rand5/g in_1.bmp
#glitch the blue channel
sed -i s/$rand3/$rand6/g in_2.bmp
#combine the channels into one image
convert in_0.bmp in_1.bmp in_2.bmp -combine out_$no.bmp
#clear the directory of files
rm in_*.bmp
echo -e "Glitched file $no of $fileno"
no=$(($no + 1))
done
#get path of file
path=$( readlink -f "$( dirname "$file" )" )
#get filename minus extension
file1=$(basename "$file")
filename="${file1%.*}"
#combine the images into a video
avconv -i out_%d.bmp -qscale 0 "$path"/"$filename"_bmprgb.mkv
#remove the temporary directory
cd ../
rm -rf temp_$rand/
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