On Apr 6, 2004, at 7:46 AM, prabu wrote:

Hi,

Howdy.


I want to match a pattern and replace with another string.Since the "?"
is also one of the character present in the string.
I am not able to do it.

I bet we can fix that.


Please help to how to make "?" acceptable in the string used for pattern
matching.


My problem is:
Here in the script,how to make the Perl to accept "?" symbol in the string
for pattern matching.


my $pattern="<a href=\"yahoo.com/getfile.php?id=1894\">Dennis";
my $replace="<script>\ndocument.write(\"<a href =
\"url+\"/getfile.php?id=1894\">Dennis";
open(IN, "<$filetoopen") || die "cannot open file\n";
open(OUT, ">$test") || die "cannot open file\n";
while (<IN>){
if (/$pattern/){
        s/$pattern/$replace/g;
}

First, there is no reason to do two pattern matches here. Drop the if (/$pattern/) { }, since it does nothing but waste time.


The other match is easy to fix:

s/\Q$patterrn\E/$replace/g;

Hope that helps.

James


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