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sr #110270: corrupted exit code with certain local definitions

Submitter:  None
Submitted:  Thu 16 Jul 2020 12:35:08 PM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  4 - Important Status:  Invalid
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  GNU/Linux
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Fri 17 Jul 2020 01:49:27 PM UTC, comment #1: 

This is not a bug. The `local' command successfully performs the variable assignment and its exit status reflects that.

The special case is a command consisting only of variable assignments, which returns as its exit status the status of the last command substitution.

Chet Ramey <chet>
Group administrator
Thu 16 Jul 2020 12:35:08 PM UTC, original submission:  

I'm sorry if this is an inappropriate place to submit this bug.   The mailing list doesnt work for me.

This bash bug occurs in 5.0.17, 4.2.46 and 3.2.25:

-------------
#!/bin/bash

function f() {
   local f=$( false )
   local -i c=$?
   # $c is always incorrectly zero
   echo $c
}

function g() {
   local f
   f=$( false )
   local -i c=$?
   # $c is correctly set
   echo $c
}

f
g
-------------------

The unexpected output for me is:
------
brian@desktop:~$ ./a.sh
0
1
------

Anonymous

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-07-17 chet StatusNone Invalid

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