From 49f5506222daa23cb14ef40c84fdfe72f8742bee Mon Sep 17 00:00:00 2001
From: Antonio Roberts <antonio@hellocatfood.com>
Date: Sun, 5 May 2013 18:34:57 +0100
Subject: [PATCH] Made glitches more random

---
 README                 |  6 +++---
 what_glitch_1bitgif.sh | 14 ++++----------
 what_glitch_CMYK.sh    | 33 ++++++++++++++++++---------------
 what_glitch_bmp.sh     | 20 ++++++++------------
 what_glitch_jpg.sh     | 20 ++++++++------------
 what_glitch_pcx.sh     | 20 ++++++++------------
 what_glitch_pix.sh     | 27 ++++++++-------------------
 what_glitch_ppm.sh     | 15 ++++-----------
 what_glitch_rgb.sh     | 29 +++++++++++++++--------------
 what_glitch_sgi.sh     | 20 ++++++++------------
 what_glitch_tga.sh     | 20 ++++++++------------
 11 files changed, 92 insertions(+), 132 deletions(-)

diff --git a/README b/README
index ddd3670..b3a634e 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-What Glitch?
+What Glitch? scripts
 By Antonio Roberts
 www.hellocatfood.com
 GNU/GPL.
@@ -18,11 +18,11 @@ Basic Usage
 ==================
 1. Make the file executable: In a terminal type chmod+x what_glitch_1bitgif.sh
 2. Run ./what_glitch_1bitgif.sh /path/to/video/file
-3. Hit enter
+3. Hit Enter
 4. Wait
 
 Notes
 ==================
 The scripts have only been tested on Ubuntu 10.10 and 12.04. If you are able to get them working with other operating systems please feel free to share your techniques
 
-As this scripts processes each frame of a video file it will take a very long time to complete. It is recommended for use only on small video clips!
\ No newline at end of file
+As this scripts processes each frame of a video file it will take a very long time to complete. It is recommended for use only on short video clips!
\ No newline at end of file
diff --git a/what_glitch_1bitgif.sh b/what_glitch_1bitgif.sh
index 4784819..052f8fd 100755
--- a/what_glitch_1bitgif.sh
+++ b/what_glitch_1bitgif.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.bmp
 
@@ -41,5 +36,4 @@ avconv -i out_%d.gif -b "$bitRate"k "$file"_1bitgif.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_1bitgif.mkv"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_CMYK.sh b/what_glitch_CMYK.sh
index 6ac69e9..a016220 100755
--- a/what_glitch_CMYK.sh
+++ b/what_glitch_CMYK.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.bmp
 
@@ -26,19 +21,29 @@ 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)
+rand7=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 2)
+rand8=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 2)
+
 convert -colorspace CMYK -separate out_$no.bmp in_%d.bmp
 
 #glitch the cyan channel
-sed -i s/t/63a/g in_0.bmp
+sed -i s/$rand1/$rand5/g in_0.bmp
 
 #glitch the magenta channel
-sed -i s/l/££uns/g in_1.bmp
+sed -i s/$rand2/$rand6/g in_1.bmp
 
 #glitch the yellow channel
-sed -i s/h/£24/g in_2.bmp
+sed -i s/$rand3/$rand7/g in_2.bmp
 
 #glitch the key channel
-sed -i s/a/64a/g in_3.bmp
+sed -i s/$rand4/$rand8/g in_3.bmp
 
 #combine the channels into one image
 convert in_0.bmp in_1.bmp in_2.bmp in_3.bmp -set colorspace CMYK -combine out_$no.bmp
@@ -57,6 +62,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_bmpcmyk.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_bmpcmyk.mkv"
-echo -e "----------------------------------------------------"
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_bmp.sh b/what_glitch_bmp.sh
index a8694f8..23372d0 100755
--- a/what_glitch_bmp.sh
+++ b/what_glitch_bmp.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.bmp
 
@@ -26,8 +21,11 @@ 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 3)
+
 #glitch the files
-sed -i s/a/633/g out_$no.bmp
+sed -i s/$rand1/$rand2/g out_$no.bmp
 
 echo -e "Glitched file $no of $fileno"
 
@@ -40,6 +38,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_bmp.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_bmp.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_jpg.sh b/what_glitch_jpg.sh
index cb2c679..7fb451f 100755
--- a/what_glitch_jpg.sh
+++ b/what_glitch_jpg.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.jpg
 
@@ -26,8 +21,11 @@ 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 3)
+
 #glitch the files
-sed -i s/@/63/g out_$no.jpg
+sed -i s/$rand1/$rand2/g out_$no.jpg
 
 echo -e "Glitched file $no of $fileno"
 
@@ -40,6 +38,4 @@ avconv -i out_%d.jpg -b "$bitRate"k "$file"_jpg.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_jpg.mkv"
-echo -e "----------------------------------------------------"
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_pcx.sh b/what_glitch_pcx.sh
index fcb5db7..71598d9 100755
--- a/what_glitch_pcx.sh
+++ b/what_glitch_pcx.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.pcx
 
@@ -26,8 +21,11 @@ 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 3)
+
 #glitch the files
-sed -i s/#/6a/g out_$no.pcx
+sed -i s/$rand1/$rand2/g out_$no.pcx
 
 echo -e "Glitched file $no of $fileno"
 
@@ -40,6 +38,4 @@ avconv -i out_%d.pcx -b "$bitRate"k "$file"_pcx.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_pcx.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_pix.sh b/what_glitch_pix.sh
index a17ead0..3723d0f 100755
--- a/what_glitch_pix.sh
+++ b/what_glitch_pix.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.bmp
 
@@ -42,16 +37,12 @@ no=1
 while [ $no -le $fileno ]
 do
 
+rand1=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 2)
+rand2=$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c 1)
+
 #glitch the files
 
-sed -i s/a/b/g out_$no.pix
-sed -i s/A/h/g out_$no.pix
-sed -i s/K/0/g out_$no.pix
-sed -i s/¿/e/g out_$no.pix
-sed -i s/@/$/g out_$no.pix
-sed -i s/t/b/g out_$no.pix
-sed -i s/#/g/g out_$no.pix
-sed -i s/h/o/g out_$no.pix
+sed -i s/$rand1/$rand2/g out_$no.pix
 
 echo -e "Glitched file $no of $fileno"
 
@@ -82,6 +73,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_pix.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_pix.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_ppm.sh b/what_glitch_ppm.sh
index 2b80ef3..410231c 100755
--- a/what_glitch_ppm.sh
+++ b/what_glitch_ppm.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.ppm
 
@@ -40,6 +35,4 @@ avconv -i out_%d.ppm -b "$bitRate"k "$file"_ppm.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_ppm.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_rgb.sh b/what_glitch_rgb.sh
index 184d9b7..25d75e3 100755
--- a/what_glitch_rgb.sh
+++ b/what_glitch_rgb.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file"
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.bmp
 
@@ -26,16 +21,24 @@ 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/a/63/g in_0.bmp
+sed -i s/$rand1/$rand4/g in_0.bmp
 
 #glitch the green channel
-sed -i s/b/bn£/g in_1.bmp
+sed -i s/$rand2/$rand5/g in_1.bmp
 
 #glitch the blue channel
-sed -i s/h/^2/g in_2.bmp
+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_$no.bmp
@@ -54,6 +57,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_bmprgb.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_bmprgb.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_sgi.sh b/what_glitch_sgi.sh
index 96c2343..1ae5e78 100755
--- a/what_glitch_sgi.sh
+++ b/what_glitch_sgi.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.sgi
 
@@ -26,8 +21,11 @@ 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 2)
+
 #glitch the files
-sed -i s/a/ae/g out_$no.sgi
+sed -i s/$rand1/$rand2/g out_$no.sgi
 
 echo -e "Glitched file $no of $fileno"
 
@@ -57,6 +55,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_sgi.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_sgi.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file
diff --git a/what_glitch_tga.sh b/what_glitch_tga.sh
index 821d4bd..f2b6287 100755
--- a/what_glitch_tga.sh
+++ b/what_glitch_tga.sh
@@ -1,20 +1,15 @@
 #!/bin/bash
 
-echo -e $0
-echo -e "By Antonio Roberts | hellocatfood"
-echo -e "www.hellocatfood.com"
-echo -e "GNU/GPL. See Licence"
 file=$1
-echo -e "Lets glitch $file" 
-
-#get bitrate
-bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
 
 #make a directory to do the glitching
 rand=$RANDOM
 mkdir /tmp/temp_$rand
 cd /tmp/temp_$rand
 
+#get bitrate
+bitRate=$(avprobe $1 2>&1 | grep bitrate | cut -d ':' -f 6 | sed s/"kb\/s"//)
+
 #convert the movie to frames
 avconv -i $file -b "$bitRate"k out_%d.tga
 
@@ -26,8 +21,11 @@ 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)
+
 #glitch the files
-sed -i s/7!/4ha/ out_$no.tga
+sed -i s/$rand1/$rand2/ out_$no.tga
 
 echo -e "Glitched file $no of $fileno"
 
@@ -58,6 +56,4 @@ avconv -i out_%d.bmp -b "$bitRate"k "$file"_tga.mkv
 
 #remove the temporary directory
 cd ../
-rm -rf temp_$rand/
-echo -e "Job done. Check for "$file"_tga.mkv"
-echo -e "----------------------------------------------------"
\ No newline at end of file
+rm -rf temp_$rand/
\ No newline at end of file