Comments on: Nifty commands

By: Kai Grossjohann

Kai Grossjohann — Wed, 09 Jan 2008 15:49:16 +0000

I suggest not to use killall; if you ever use it on a Solaris box, you’ll be surprised.

pkill appears to be more portable.

By: Enver ALTIN

Enver ALTIN — Sat, 05 Jan 2008 19:48:43 +0000

You can use `evolution –force-shutdown` for a graceful one.

-HTH

By: joi

joi — Thu, 03 Jan 2008 18:39:52 +0000

http://speculation.org/garrick/kill-9.html

By: litb

litb — Thu, 03 Jan 2008 17:47:47 +0000

my commands of choice:
# waits until the given processes (may be multiple pids) are not running anymore
# killall -w does this too, but it waits 1second at least.
# we don’t want to wait so long o.O .
# NOTE: this doesn’t work on a system which uses randomized PIDs . afaik
# linux tries to use PIDs which were not used before, so that is
# not a problem here.
function wait_for_pid() {
# $@ means “$1″ “$2″ … “$n” . ( all the args given to this function )
while ( for i in $@; do [[ -d /proc/"$i" ]] && return 0; done; return 1 ); do
sleep 0.15s;
done
}

i would be glad to know how this could be even made better!

By: The Linux Index » Martin Meredith: Stand back, I know regular expressions

The Linux Index » Martin Meredith: Stand back, I know regular expressions — Thu, 03 Jan 2008 03:31:34 +0000

[...] after the last blog post, I was talking to Seveas and mentioned how I thought with all the nifty and useful commands coming [...]

By: Zeth

Zeth — Thu, 03 Jan 2008 01:35:32 +0000

I like to combine pdftotext with grep so I can search for keywords in a bunch of PDFs.
E.g. http://files.zeth.net/pdfgrep.txt

By: Stand back, I know regular expressions at Source Guru

Stand back, I know regular expressions at Source Guru — Thu, 03 Jan 2008 01:09:16 +0000

[...] Register « Nifty commands [...]

By: Janne

Janne — Thu, 03 Jan 2008 00:54:42 +0000

If you’re a frequent camera user it might be instructive to check what focal length you’re actually using the most. If you have “exiv2″, an exif data reader/writer installed, you can easily do this:

exiv2 @(@(JPG)|@(jpg)) |sed -n -e “s/.*Focal length : $[0-9.]*$.*/\1/p”|sort -n|uniq -c

You get the number of images per focal length, sorted by length. If you want a graphical representation it’s trivial to cut and paste the output to gnumeric or some other spreadsheet and graph it.

By: Michael R. Head

Michael R. Head — Thu, 03 Jan 2008 00:48:19 +0000

yeah, evolution –force-shutdown appears in my Alt-F2 history. There used to be a killev script, but once the –force-shutdown option was added to the evo binary, they got rid of that one.

By: Jeff Schroeder

Jeff Schroeder — Thu, 03 Jan 2008 00:35:48 +0000

wordpress mundged the ‘ in the awk command. make sure to use single quotes around the awk statement and it works like a charm:
jeff@omniscience:~$ lsof +c 15 | awk ‘{print $1}’ | uniq -c | sort -rn | head
325 epiphany
283 liferea-bin
250 thunderbird-bin
248 python
238 tomboy
225 nautilus
215 gnome-panel
199 update-manager
181 mixer_applet2
177 update-notifier