Commands by CAMOBAP (1)

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Remove all files but one starting with a letter(s)
Remove everything in current directory except files starting with "ca".

shuffle lines via perl
Same, without modules... Probably smarter option: just use the shuf command or even sort -R.

Change user, assume environment, stay in current dir
I've used this a number of times troubleshooting user permissions. Instead of just 'su - user' you can throw another hyphen and stay in the original directory.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Alias for lazy tmux create/reattach

Get me yesterday's date, even if today is 1-Mar-2008 and yesterday was 29-Feb-2008
Fool date by setting the timezone out by 24 hours and you get yesterday's date. Try TZ=XYZ-24 to get tomorrow's date. I live in TZ=GMT0BST so you might need to shift the number 24 by the hours in your timezone.

Random quote from Borat
I improved a bit on the original by only using sed and extracting the quote with a matching group. Use -nE for sed on Mac OSX Use -nr for sed on Linux. Warning! The quotes from Borat are definitely offensive.

Convert seconds to human-readable format
This example, for example, produces the output, "Fri Feb 13 15:26:30 EST 2009"

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Find the package that installed a command


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