Small script
Process a file line by line and report counts.
What you will be able to do
- Open files with three-argument open.
- Loop with while (<$fh>).
- Count matches.
In plain English
Process a file line by line and report counts.
- Open files with three-argument open.
- Loop with while (
<$fh>). - Count matches.
use strict;
use warnings;
my $count = 0;
while (my $line = <STDIN>) {
$count++ if $line =~ /error/i;
}
print "Errors: $count\n";Your turn
EasyExplain it back
Answer from memory: Which loop reads a filehandle line by line?
TEXT · starter
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Knowledge checkQuestion 1
Which loop reads a filehandle line by line?
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