hi, Try out this one it will work fine. test.txt -- test the line,8,description; (Need to remove the line) test the line,8,description="testing -- done"; (No need) test the line,8,description="testing -- done"; -- commented line (need to remove the words after the -- symbol)

open(FILE,"test.txt") or die $!;
while($line=<FILE>){
$line=~s/-- .*//g;
print "$line\n";
}
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