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# 1  
Old 05-03-2012
perl code

What is the meaning of below code, which is capturing from one file .


Code:
$runDate = $1 if $str =~ m/,"TransactTime":"([^"]{10})/; # get transaction date as run date


Is it the date from the first line of file or last line of file??? (Note:Each line from the file contains date)

Last edited by aish11; 05-03-2012 at 08:19 AM..
# 2  
Old 05-03-2012
Hi aish11,

As I understand, it is the date of each line of the file. $1 is the content between parentheses when the regular expression matches.
# 3  
Old 05-03-2012
Hi aish11,
do you have a per-line loop around this like "while(<>)" or one the command line parameter "-n" or "-p" ?
In this case the variable $runDate gets updated in each line. Is it used later ?

If the input is treated as a whole, then $runDate would contain the first date
that appears in the file.
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