Commands using ps (300)

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Batch rename extension of all files in a folder, in the example from .txt to .md
Same thing using bash built-in features instead of a sub-shell.

rot13 simple substitution cipher via command line
E.g. Useful for hiding spoilers in reviews, etc.

Print all git repos from a user
in case you could afford installing jq

umount all nfs mounts on machine

Another Matrix Style Implementation
A bit different from some of the other submissions. Has bold and uses all c printable characters. Change the bs=value to speed up and increase the sizes of the bold and non-bold strings.

Mac osx friendly version of this terminal typing command at 200ms per key

View the newest xkcd comic.

ascii digital clock
# ### ### # # ### ### # # # ## # # ### # # # # ### ## # # # # # # ### # # # # ### # # # # # ### ##### # # ##### # # # ### # # ### # # # # # ### # # ### # # ##### ### ### # ##### ### ##### #

translate with google, get all translations
the google-api gives you only one translation which is sometimes insufficent. this function gives you all translations, so you can choose which one fits best.

create an incremental backup of a directory using hard links
dname is a directory named something like 20090803 for Aug 3, 2009. lastbackup is a soft link to the last backup made - say 20090802. $folder is the folder being backed up. Because this uses hard linking, files that already exist and haven't changed take up almost no space yet each date directory has a kind of "snapshot" of that day's files. Naturally, lastbackup needs to be updated after this operation. I must say that I can't take credit for this gem; I picked it up from somewhere on the net so long ago I don't remember where from anymore. Ah, well... Systems that are only somewhat slicker than this costs hundreds or even thousands of dollars - but we're HACKERS! We don't need no steenkin' commercial software... :)


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