Re: How to process multiple input files?

You need to reset $count for each file. Something like this (UNTESTED):

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

$^I = ".bak"; 
undef $/;

my $count = 0;

while ( my $line = <> ) {
    $line =~ s{
        (<\/div>)
        }  {
        ++$count == 2
            ? "\t<?php include(\$_SERVER['DOCUMENT_ROOT'].\"\/includes
+\/footer.php\"); ?>\n\n$1"
            : $1
        }gex;
    print $line;
    $count = 0;
    }
[download]

Comment on Re: How to process multiple input files? Select or Download Code

Replies are listed 'Best First'.
Re^2: How to process multiple input files? by John M. Dlugosz (Monsignor) on May 23, 2011 at 00:22 UTC
I worry that an empty file will stop it prematurely. Or a file might contain just "0" or somesuch, but that's less likely. Since he's slurping whole files rather than reading lines, I think it would be prudent to test for defined. (Hmm, what does the normal line-oriented read do if an empty file is in the list? Maybe it's always an issue.) update: never mind. In production code I would have simply written `defined` to be sure, but looking through the docs I see that this construct is special even in the case of explicit assignment. I know that the quick `while(<>)` tests for defined, or started to at some specific version of Perl (I remember the classic Camel book explaining how lines are never False because they end in "\n"), but wasn't sure that applied when assignment was being made. In general, I rely less on special cases and magical meanings in well-written production code than in a quick one-liner. Declaring variables, and not using $_ much falls into the same category, so I somehow was thinking the magic was not in effect.	[reply] [d/l] [select]
Re^3: How to process multiple input files? by jwkrahn (Abbot) on May 23, 2011 at 06:44 UTC
I think it would be prudent to test for defined. The code I posted: `while ( my $line = <> ) {` [download] does test for defined.	[reply] [d/l]
Re^4: How to process multiple input files? by John M. Dlugosz (Monsignor) on May 23, 2011 at 17:22 UTC
No, it tests for normal Truth. An undef, an empty string, a "0" etc. will all test as False after being assigned to $line.	[reply]
Re^5: How to process multiple input files? by Anonymous Monk on May 23, 2011 at 18:48 UTC
Re^6: How to process multiple input files? by John M. Dlugosz (Monsignor) on May 23, 2011 at 19:22 UTC
Some notes below your chosen depth have not been shown here
Re^2: How to process multiple input files? by rnaeye (Friar) on May 22, 2011 at 21:50 UTC
thanks for so much. works great.	[reply]


Pathologically Eclectic Rubbish Lister
	PerlMonks