Hi Ben You're not soing what you think you're doing. See below.
"Ben Siders" <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > To expand, I wrote a brief sample program to figure this out, since I > actually had no idea how to do it. Here it is: > > #!/usr/bin/perl > > $myVariable = "blorg"; > > $line = <STDIN>; > > if ( $line =~ /$myVariable/ ) { > print "1. Line contains my variable.\n"; > } > This is the same as if ( $line =~ /blorg/ ) { .. } which will fail, since your data line doesn't contain that string. > > if ( $line =~ /$$myVariable/ ) { > print "2. Line contains by variable.\n"; > } > This is that same as if ( $line =~ /${$myVariable}/ ) { .. } or if ( $line =~ /$blorg/ ) { .. } which doesn't exist, so evaluates to the empty string if ( $line =~ // ) { .. } Now every string is deemed to contain the empty string, and so your test succeeds. It's nothing to do with having the text 'myVariable' in there. > > And here's the runlog: > > [bsiders@lysol perl]$ ./test.pl > asdlkjasdkljmyVariableasdlkjasd > 2. Line contains by variable. > [bsiders@lysol perl]$ > HTH, Rob -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
