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hi,
As such I am new to perl on google search I found a code for Perl script to compare two files and print differences between them and instead of prinintg I want to store the diff. in a...

Thanks..I got it.

It's state it will print only if line is not repeated.
But why unless statement is used further.

print OUT qq{$sLine\n} unless ($hTmp{$sLine}++);
Still I am not getting how this statement working.
OUT is text file.

After googling I found script for removing repeated line in a file.
next if $sLine =~ m/^\s*$/;
$sLine=~s/^\s+//;
$sLine=~s/\s+$//;
print OUT qq{$sLine\n} unless ($hTmp{$sLine}++);
...

yes i have to use perl script.
so can somebody mail me sample code of same.

I am new to Perl and in text file of around 1000 lines having around 500 repeated line which I felt is no use and want to remove these line.so can somebody help in same for providing sample code how...