On Sat, Mar 3, 2012 at 9:08 AM, lina <lina.lastn...@gmail.com> wrote:
> $ perl extract.pl try.tex
> Bareword "filename" not allowed while "strict subs" in use at extract.pl line
> 8.
> Execution of extract.pl aborted due to compilation errors.
>
>
> #!/usr/bin/env perl
>
> use strict;
> use warnings;
>
> my $filename = $ARGV[0] ;
>
You used 'filename', not '$filename'
'filename' is a bareword - not a perl variable, or a string.
> open FILE, "<", filename or die $!;
>
> my @line = <FILE> ;
>
You just read the entire file into the @line array.
If that is your intent, you need to loop on @lines.
Otherwise, if you wish to read the file line by line, omit the line
my @line = <FILE>;
> while (<FILE>) {
> print $_;
> }
>
>
> I tried mf $filename = <STDIN> also not work.
>
> Thanks ahead for any suggestions,
>
> Best regards,
>
HTH, Ken
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