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Re: How get last commnda history line number directly
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From: |
Chet Ramey |
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Subject: |
Re: How get last commnda history line number directly |
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Date: |
Tue, 1 Sep 2020 09:05:16 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 |
On 9/1/20 5:14 AM, almahdi wrote:
> How to get last commnda history line number purely & directly on bash script
> or prompt ?
>
> as it's pure & directly viable in PS1 env. var.
> PS1=`echo \!`
HISTCMD
The history number, or index in the history list, of the current
command. Assignments to HISTCMD are ignored. If HISTCMD is un-
set, it loses its special properties, even if it is subsequently
reset.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/