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Re: turning on file+line for functions with shopt -s extdebug gives erro


From: Chet Ramey
Subject: Re: turning on file+line for functions with shopt -s extdebug gives error
Date: Wed, 27 Feb 2019 10:13:06 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.5.1

On 2/26/19 7:26 PM, L A Walsh wrote:

>>> Nor do I see where function-tracing and error tracing are defined.
>>>     
>>
>> set -o functrace/set -T
>> set -o errtrace/set -E
>>   
> --
>>   
>>> Are they defined "somewhere"?  Maybe a short note as to what they
>>> are might be added to the manpage where the terms are used (under
>>> description of shopt+extdebug)?

The existing text describes the behavior pretty well:

5.     Function tracing is  enabled:  command  substitu-
       tion, shell functions, and subshells invoked with
       ( command ) inherit the DEBUG and RETURN traps.
6.     Error tracing is enabled:  command  substitution,
       shell  functions,  and  subshells  invoked with (
       command ) inherit the ERR trap.

To be clear, you're suggesting that I add something to the `extdebug'
section to explain how these features can be enabled separately from
`extdebug'?

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



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