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Nov
28
awarded  Yearling
Oct
7
awarded  Nice Question
Oct
7
awarded  Editor
Oct
7
revised How does awk '!a[$0]++' work?
Correction of the terms
Oct
7
awarded  Scholar
Oct
7
accepted How does awk '!a[$0]++' work?
Oct
7
comment How does awk '!a[$0]++' work?
So the essence is this: the expression in the single quotes is used by awk as a test for each input line; every time the test succeeds awk executes the action in curly braces, which, when omitted is {print}. Thanks!
Oct
7
comment How does awk '!a[$0]++' work?
Answer accepted with the minor edits.
Oct
7
suggested approved edit on How does awk '!a[$0]++' work?
Oct
6
asked How does awk '!a[$0]++' work?
Sep
29
awarded  Critic
Sep
29
comment Disable Keyboard & Mouse input on unix (under X)
Is it possible to eat X input events with a standard X toolset and a shell script?
Jan
15
asked Mutt index disappearing on IMAP reconnect
Nov
28
awarded  Yearling
Nov
14
comment xautolock: how to auto-unlock on user activity?
OK, I figured I could configure xscreensaver to launch an arbitrary program (and have it killed on user activity) but how do I tell the xscreensaver not to blank the screen and have the screen updated as per normal?
Nov
14
awarded  Student
Nov
14
comment xautolock: how to auto-unlock on user activity?
I need to run a pair of custom scripts: the first is run after the idle timeout (i.e. in place of a regular screensaver) and the 2nd is run when activity is resumed.
Nov
14
asked xautolock: how to auto-unlock on user activity?
Nov
14
answered Run commands after unlocking X screen (KDE)
Nov
8
comment How to fill 90% of the free memory?
Why would a unix swap while there is available RAM? This is actually a plausible way to evict disk cache when need be.