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Re: When a hashed pathname is deleted, search PATH

From: Chet Ramey
Subject: Re: When a hashed pathname is deleted, search PATH
Date: Fri, 14 Mar 2014 14:23:46 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Thunderbird/24.1.1

On 3/14/14 12:11 PM, Reuben Thomas wrote:
> Tested in bash 4.3.
> $ foo
> ... a command is run
> $ hash
> hits command
>    0 /home/rrt/bin/foo
> $ rm `which foo`
> $ which foo
> /usr/bin/foo
> $ foo
> bash: /home/rrt/bin/foo: No such file or directory
> Why doesn't bash just remove the hashed path and do a normal PATH search? I
> have to remove it manually.

Look at the description of the `checkhash' option to `shopt'.  It does what
you want; it's just not the default.


``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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