add perl solution for wk-098 ch-1.pl

1 files changed, 33 insertions, 0 deletions

diff --git a/challenge-098/alexander-pankoff/perl/ch-1.pl b/challenge-098/alexander-pankoff/perl/ch-1.pl
new file mode 100755
index 0000000000..19294205aa
--- /dev/null
+++ b/challenge-098/alexander-pankoff/perl/ch-1.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/env perl
+use v5.20;
+use utf8;
+use strict;
+use warnings;
+use feature qw(say signatures);
+no warnings 'experimental::signatures';
+
+{
+    my ( $FILE, @numbers ) = @ARGV;
+    say readN( $FILE, $_ ) for @numbers;
+}
+
+sub readN ( $file, $chars ) {
+    state $filehandles = {};
+
+    my $fh;
+    if ( $filehandles->{$file} ) {
+        $fh = $filehandles->{$file};
+    }
+    else {
+        open( $fh, '<', $file );
+        $fh->binmode( ':utf8' );
+        $filehandles->{$file} = $fh;
+    }
+
+    my $out;
+    while ( $chars-- && !$fh->eof ) {
+        $out .= $fh->getc;
+    }
+
+    return $out;
+}