On 7 23 , 2 28 , [EMAIL PROTECTED] (John W. Krahn) wrote:
> cute wrote:
> > Now i create a temp file to store changed content.
>
> perldoc -q "How do I make a temporary file name"
>
> > is there a simple way to change file content without creating temp
> > files?
>
> > ie:
>
> > while(<>)
> > {
> > tr/[a-e]/[1-5]/g
>
> Why are you changing all '[' to '[' and all ']' to ']'? There is no /g option
> with the tr/// operator. It looks like you want:
>
> tr/a-e/1-5/;
>
> > print TEMP, $_
>
> Do you really want to print the string 'TEMP' in front of every line? You
> should really enable the warnings and strict pragmas.
>
> > }
>
> use warnings;
> use strict;
>
> $^I = '.bak';
>
> while ( <> ) {
> tr/a-e/1-5/;
> print;
> }
>
> __END__
>
> That does what you want but it also creates a temporary file, it just hides
> the details from you.
>
> John
> --
> Perl isn't a toolbox, but a small machine shop where you
> can special-order certain sorts of tools at low cost and
> in short order. -- Larry Wall
Great helps. Thank you guys.
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