Re: Beginner in perl : Use of uninitialized value


foreach my $line (@input){
    if ( /fred/ ){
[download]

Is the same as:


foreach my $line (@input){
    if ( $_ =~ /fred/ ){
[download]

You need to change it to:


foreach my $line (@input){
    if ( $line =~ /fred/ ){
[download]

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Re^2: Beginner in perl : Use of uninitialized value by Perl_Programmer1992 (Sexton) on Dec 28, 2018 at 06:26 UTC
Thanks @jwkrahn for clearing this.	[reply]