Tag Archives: bash

Announcing ecos – the collection of crappy scripts I wrote

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Included in the package:

  • bash initialization script, mainly tested on OpenIndiana but should also good for Linux, *BSD and other *nix
  • tcsh initialization script. Mainly tested on FreeBSD
  • my hgrc. Obviously shouldn’t be used as is except if you want to give me the copyright of whatever you’re committing
  • tmux config. Blue bars instead of green. And minor tweaking
  • vimrc. Guaranteed to break vim-lite or whatever the default vi in Ubuntu. Also shouldn’t be used for most administrative task where tab should be tab and it should be 8 spaces long. Mainly for ruby development.
  • inputrc. Makes various application using readline much more awesome – especially if you’re not emacs user
  • Various scripts:
    • cek: check crc32 of a file and compares with the one in filename if exists. Useful for checking downloaded anime. Requires ruby
    • ed2k: generates ed2k link of a file. Useful for comparing against anidb database. Ruby is required.
    • putcrc: as the name says, puts crc32 of the file in its filename. Also requires ruby.
    • ren: rename anime files with whatever I like. In perl. Contains hundres of regexes. No test so it tends to break at unfortunate time.

Grab them here: [ bitbucket/edogawaconan/ecos ]

Audio volume control from shell in OpenIndiana

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I might be missing something but the volume control for OpenIndiana is a bit lackluster in display department compared to FreeBSD’s. In FreeBSD, whenever I do a volume change I get to see the values; before and after – but not in OpenIndiana; its default shell-based mixer quite sucks and doesn’t give enough feedback whenever I change volume.

There’s a good reason I keep bash as my main shell – I can script in POSIX sh and keep the sane shell at the same time (as opposed to using actual POSIX sh). So here’s the function I recently created; when given no parameter will display current volume and when given one parameter will change the volume and display how the change goes.

vol() {
getvol() { audioctl show-control volume | awk ‘/^volume/ { print $2 }’; }
printf “%s: ” “Volume”
if [ -n “$1” ]; then
printf “%s => ” “$(getvol)”
audioctl set-control volume “$1”
fi
printf “%sn” “$(getvol)”
}

It should be pretty much POSIX but remember that it will only work in Solaris Express 11 (probably) and OpenIndiana (tested with oi_148).