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I’ve sometimes wished that the UNIX touch command had the same -p option as mkdir. With a little bit of scripting, it can: #!/bin/sh mkdir=”/bin/mkdir” for arg in $*; do Here’s a useful tip on how to make bash check the window size between commands. shopt . . . → Read More: Useful tip on how to make bash check the window size between commands The other day I wanted to enable IP forwarding on my Linux box (so that it could forward packets from a tun virtual interface being used by VTun to the physical interface connected to my home network). I looked up it up and it turns out that it’s a simple setting in a file in the /proc . . . → Read More: Su su sudo: oh no I’m reminded today of Sniglets. I grew up in the 1980s watching lots of HBO, so Rich Hall’s little segments from Not Necessarily the News occupy a special place in some dark corner of my cerebrum. I can still remember to this day: flen – the yucky stuff that accumulates under the cap of a ketchup bottle. Let’s say we want to write a command that allows you to take the output of the previous command and stick it in your editor so you can page through it, save it, email it, etc. One way to do it is with bash’s “process substitution” feature. Try this: $ ls -l function _globdo alias globdo=’set -f; _globdo’ The function/alias combo is get around automatic globbing and make it possible to specify glob . . . → Read More: Stupid bash trick of the day Brian took my cd bash function hack, made a whole bunch of improvements, and created a Sourceforge project for it: recd . . . → Read More: “recd” on sourceforge |
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Copyright © 2010 Marc Abramowitz - All Rights Reserved |
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