.cshrc History missing
m.seaman at infracaninophile.co.uk
Mon Aug 10 06:02:22 UTC 2009
Al Plant wrote:
> Polytropon wrote:
>> Allthough I'm not familiar with the particular problem you
>> described, I observed that the history sometimes (!) does
>> not survive a reboot. It may have to do with a situation
>> where more than one shell is running. Idea: The last shell
>> closed (even forced) saves its history, so the history of
>> the other shells gets lost.
>> I've set those globally in /etc/csh.cshrc:
>> set history = 100
>> set savehist = 100
>> Sometimes, history survives, sometimes it doesn't. Very
> Aloha Poly,
> I'm glad to have somebody confirm this. I thought it was funny that this
> was happening.
> I have earlier CURRENT 8 running on a couple of machines and they never
> acted this way.
> This is root that is doing this on my test box.
> set history = 100
> set savehistory = 100
> are in the .cshrc file.
> I'll look in /etc/csh.cshrc
Yeah. The history mechanism in tcsh doesn't cope very well with multiple
ttys being closed down at once, as you tend to find when logging out of an
X session. You get the history from just one of those shells.
It's not a complete cure, but telling the shell to merge it's history with
what's already there:
set history = 500
set savehist = (1000 merge)
This helps, but it is not completely reliable when several shells are shutdown
in quick succession.
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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