#!/usr/bin/perl
use strict ;
use warnings ;

[download]
standard program startup $^I=".bak" ; Enables in-place editing. I.e, Changes will be made to the same file for files read through <> 
@ARGV=(qw/abc.txt/) ;

[download]
Makes <> read on abc.txt 
while(<>) {
 s/trojan is like viruse/hello/g;
 print ;
}

[download]
Replace "trojan is like viruse" with "hello". As in-place editing is enabled and print is not supplied an explicit filehandle, changes are made to the same file.


Manav

In reply to Re: again problem with regexpr by manav
in thread again problem with regexpr by white-fox

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