Limit line for perl


 
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# 1  
Old 04-10-2012
Limit line for perl

Hey guys, can help me out with this?

How do i limit output for xml to 50 character?
i tried *below* but doesnt work, it still print more than 50 characters.

Thanks in advance

Code:
printf "%-50s", "$testline\n";

# 2  
Old 04-10-2012
You could use a function like that below (UNTESTED CODE)
Code:
sub limit{
my ($string, $limit)=shift;
return length($string)>$limit ? substr($string, 0, $limit) : $string;
}
...
printf limit($testline, 50);

This User Gave Thanks to Skrynesaver For This Post:
# 3  
Old 04-10-2012
Code:
print substr($testline, 0, 50), "\n"

This User Gave Thanks to yazu For This Post:
# 4  
Old 04-10-2012
you can use substr function

Code:
printf "%s\n", substr $testline,0,50;

This User Gave Thanks to itkamaraj For This Post:
# 5  
Old 04-10-2012
substr work great.. thanks alot guys
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