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Re: fc and the verbose mode


From: Chet Ramey
Subject: Re: fc and the verbose mode
Date: Tue, 26 May 2015 17:03:11 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 5/17/15 6:54 PM, isabella parakiss wrote:
> fc activates the verbose mode to print the commands as they're read by
> the parser and uses unwind_protect_int to restore it.
> 
> This is a good idea but there are a few problems with it:
> 1. it prints the DEBUG trap, which I didn't expect
> 2. it's impossible to use fc to turn on/off the verbose mode
>    ( well, you can, but it's lost as soon as the command ends )
> 
> Is it possible to print the commands without activating that mode?

This is a good observation.  The next release of bash will decouple the
-v option from using verbose mode while fc executes commands from a file.

Chet

-- 
``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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