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Summary:ASTERISK-10492: stand alone dollar sign used in a string prevent normal variables substitution
Reporter:Dmytro Mishchenko (arkadia)Labels:
Date Opened:2007-10-10 16:31:47Date Closed:2007-10-10 23:20:22
Priority:MinorRegression?No
Status:Closed/CompleteComponents:Core/PBX
Versions:Frequency of
Occurrence
Related
Issues:
Environment:Attachments:
Description:Here is dialplan:
exten => 55,1, Set(var=foo)
exten => 55,2, Verbose(${var})
exten => 55,3, Verbose($ ${var})
exten => 55,4, Verbose(\$ ${var})
exten => 55,5, Hangup

on priority 3 and 4 output looks like:
$ ${var}

But it should be:
$ foo


****** ADDITIONAL INFORMATION ******

From doc (channelvariables.txt):
Also, characters special to variable substitution, expression evaluation, etc
(see below), can be quoted. For example, to literally use a $ on the
string "$1231", quote it with a preceding \. Special characters that must
be quoted to be used, are [ ] $ " \. (to write \ itself, use \\).

Actually it seems $, [, ], " can be used without quote. But ' can't.
E.g.:
exten => 55,5, Verbose($ ' " [ ])
output:
$  " [ ]
Comments:By: Digium Subversion (svnbot) 2007-10-10 23:15:02

Repository: asterisk
Revision: 85356

U   branches/1.4/main/pbx.c

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r85356 | tilghman | 2007-10-10 23:15:00 -0500 (Wed, 10 Oct 2007) | 2 lines

A dollar sign by itself, not indicating a start of a variable or expression prematurely ends substitution (closes issue ASTERISK-10492)

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By: Digium Subversion (svnbot) 2007-10-10 23:20:22

Repository: asterisk
Revision: 85357

_U  trunk/
U   trunk/main/pbx.c

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r85357 | tilghman | 2007-10-10 23:20:21 -0500 (Wed, 10 Oct 2007) | 10 lines

Merged revisions 85356 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r85356 | tilghman | 2007-10-10 23:35:33 -0500 (Wed, 10 Oct 2007) | 2 lines

A dollar sign by itself, not indicating a start of a variable or expression prematurely ends substitution (closes issue ASTERISK-10492)

........

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