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02.27.2008 at 06:10AM PST, ID: 23196872

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9.6

Perl conditional statement

Zones: Perl Programming Language, Miscellaneous Programming

I'm currently using the perl script attached as a code snippet. I need to add a conditional statement to achieve the following:

If the 8th position in the source text file is a '0' then I need to replace just that '0' with a 'B' in the output file. If it is not a '0' then I just want to run the script as it is currently written... nothing needs to happen additionally. Thanks in advance.

         
           
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             while( <> ){
my $str = " " x 68;     #make a string xx spaces
 
substr($str, 0, 4, substr($_, 12, 4));       #pull from positions 13-16, insert to 1-4
substr($str, 22, 4, substr($_, 4, 4));
substr($str, 4, 16, substr($_, 60, 16));   #pull from positions 61-80 (offset 60, length 20), insert to 5-20
substr($str, 26, 2, substr($_, 83, 2));
substr($str, 32, 8, substr($_, 119, 8));
substr($str, 50, 8, substr($_, 132, 8));
substr($str, 59, 8, substr($_, 132, 8));
 
substr($str, 20, 1, "T");
substr($str, 21, 1, "D");
substr($str, 28, 1, "A");
substr($str, 58, 1, " ");
substr($str, 67, 1, " ");
print "$str\n";
}

           
         

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Question Stats

Zone: Programming

Question Asked By: isaacr25

Solution Provided By: Adam314

Participating Experts: 1

Solution Grade: A

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