color based on string
Because an MD5 hash is typically expressed as a hexadecimal number, 32 digits long *, all you need to do is cut 6 characters to get a color value. COLOR=`echo $SVG | md5sum | cut -c 1-6` To convert any string to a color value, just reduce it to the appropriate characters (= a-f and 0–9),...
Find Out My Linux Distribution Name and Version
How do I find out what version of Linux distribution I’m using from the shell prompt? aptitude install lsb-release lsb_release -a Distributor ID: Debian Description: Debian GNU/Linux 6.0.2 (squeeze) Release: 6.0.2 Codename: squeeze Find Out My Linux Distribution Name and Version
words,words,words!
Included in GNU/Linux (and MacOSx as well) is a standard file, which is just delimited list of dictionary words. * /usr/share/dict/words To select a random word: cat /usr/share/dict/words | shuf -n 1 Check also the other files in /usr/share/dict. Very useful! If your operating system is missing the shuf–utility you can use this: perl -MList::Util -e 'print...
Animated gif to pdf sequence
Convert an animated gif to sequence of pdf files. Now you can scale and rotate the images and keep their full pixelized beauty. FILE=$1 BGCOLOR=88FF99 convert -adaptive-resize 300% \ -interpolate integer \ +antialias -coalesce \ $FILE resize.gif mv resize.gif coalesce.gif HSIZE=`identify coalesce.gif | \ cut -d " " -f 3 | \...
QR Code as vector not bitmap
A simple hack to get a QR code as a vector file, supporting transparency and more suitable for scaling and especially rotating. qrencode only outputs png. INFO=$1 FILE=tmp.png qrencode -o $FILE "$INFO" autotrace -background-color=FFFFFF \ -corner-threshold 100 \ -corner-always-threshold 200 \ -corner-surround 1 \ -output-file=${FILE%%.*}.pdf $FILE rm $FILE exit 0;
processing + bash
To use your processing sketches without the processing ide, e.g. to iclude them in an automated workflow, you can export your application from processing. When “Export Application” is selected from the “File” menu, a dialog box opens and you can select which platforms you want to export to. You may also select if you want...
