[asterisk-bugs] [Asterisk 0014670]: FILE function reads 1 character less than specified in length

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=14670 
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Reported By:                BMC
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   14670
Category:                   Functions/func_env
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.6.0.6 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-03-15 13:46 CDT
Last Modified:              2009-03-16 08:04 CDT
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Summary:                    FILE function reads 1 character less than specified
in length
Description: 
The replacement of ReadFile does not work as specified:

cat /tmp/test.txt
123456789

exten => s,n,ReadFile(VAR1=/tmp/test.txt,2);
exten => s,n,NoOp(VAR1=${VAR1});
exten => s,n,Set(VAR2=${FILE(/tmp/test.txt,0,2)});
exten => s,n,NoOp(VAR2=${VAR2});

    -- Executing [s at test:2] ReadFile("mISDN/3-u46",
"VAR1=/tmp/test.txt,2") in new stack
    -- Executing [s at test:3] NoOp("mISDN/3-u46", "VAR1=12") in new stack
    -- Executing [s at test:4] Set("mISDN/3-u46", "VAR2=1") in new stack
    -- Executing [s at test:5] NoOp("mISDN/3-u46", "VAR2=1") in new stack


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---------------------------------------------------------------------- 
 (0101790) lmadsen (administrator) - 2009-03-16 08:04
 http://bugs.digium.com/view.php?id=14670#c101790 
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Assigned to Tilghman, as this type of issue appears to be right up his
alley! 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-03-16 08:04 lmadsen        Note Added: 0101790                          
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