aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xchallenge-004/veesh-goldman/perl5/ch-02.pl27
1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-004/veesh-goldman/perl5/ch-02.pl b/challenge-004/veesh-goldman/perl5/ch-02.pl
new file mode 100755
index 0000000000..9a5fdefee6
--- /dev/null
+++ b/challenge-004/veesh-goldman/perl5/ch-02.pl
@@ -0,0 +1,27 @@
+#! /usr/bin/perl
+
+my $usage = <<"EOF";
+USAGE:
+$0 letters [file]
+
+ letters - a string consisting of the letters to filter by
+ file - the name of a file to check for words. If ommited, checks STDIN
+
+$0 will search through the file for words that can be made from
+the letters in the list argument. Each letter will only be used once.
+EOF
+
+die $usage unless @ARGV;
+
+my $list = shift;
+
+while (<>) {
+ #remove newline
+ chomp;
+ #copy the string to check for letters
+ my $string = $_;
+ #remove any letter in our list from the word
+ $string =~ s/$_// for split //, $list;
+ #if there's no word left, then print our original word
+ CORE::say unless $string;
+}