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Jarli
n00b
Joined: 22 Mar 2012
Posts: 8
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 Posted: Wed Nov 14, 2012 3:54 pm Post subject: Command History |
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Is there anyway to determine when a command was run on Gentoo, through a terminal session?
I know the 'history' command shows the list of commands, but I would like to see if there is a time stamp. |
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eccerr0r
Advocate
Joined: 01 Jul 2004
Posts: 3000
Location: USA
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| Posted: Wed Nov 14, 2012 4:43 pm Post subject: |
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This link got me
http: //larsmichelsen.com/open-source/bash-timestamp-in-bash-history/
This assumes that you're using bash.
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tomk
Administrator
Joined: 23 Sep 2003
Posts: 7098
Location: Sat in front of my computer
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| Posted: Wed Nov 14, 2012 4:50 pm Post subject: |
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Moved from Gentoo Chat to Portage & Programming as it's not about Gentoo itself.
As the link that eccerr0r posted shows you need to set HISTTIMEFORMAT, assuming you're using bash. Obviously this will only show you the timestamp after you've set it, for commands before that it will just use the current time which is then cached.
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khayyam
Veteran
Joined: 07 Jun 2012
Posts: 1268
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| Posted: Wed Nov 14, 2012 7:10 pm Post subject: |
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Jarli ...
zsh timestamps (with 'shopt extended_history' set) ... the history file can then be parsed with the following:
| Code: | | # perl -lne 'm#: (\d+):\d+;(.+)# && printf "%s :: %s\n",scalar localtime $1,$2' $HISTFILE |
I'm not sure if bash timestamps are constructed in a similar manner but is should be parsable none the less with a similar oneliner.
best ... khay |
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