That line does nothing. If you want to write to your file you would do

Actually, no. Consider:

$_ = "HW";
s/HW/Hello World/;
print STDOUT;

[download]

Prints:

Hello World

[download]

You perhaps need to learn about $_? See $ARG/$_ in perlvar.

DWIM is Perl's answer to Gödel

In reply to Re^2: Opening a file, editing, copying to another by GrandFather
in thread Opening a file, editing, copying to another by theintern

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