Iterate over the lines of file
compare the current line with $temp
if current line is Not same as $temp then print it to the output file.
update the $temp to current line


I hope now you can apply some perl code

In reply to Re: Deleting a string which is repeating(more than once) in a file. by ansh batra
in thread Deleting a string which is repeating(more than once) in a file. by uday_sagar

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