summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--perl.html.markdown10
1 files changed, 10 insertions, 0 deletions
diff --git a/perl.html.markdown b/perl.html.markdown
index 85f3974e..ab71a6ab 100644
--- a/perl.html.markdown
+++ b/perl.html.markdown
@@ -15,6 +15,16 @@ Perl 5 runs on over 100 platforms from portables to mainframes and is suitable f
```perl
# Single line comments start with a number sign.
+#### Strict and warnings
+
+use strict;
+use warnings;
+
+# All perl scripts and modules should include these lines. Strict causes
+# compilation to fail in cases like misspelled variable names, and warnings
+# will print warning messages in case of common pitfalls like concatenating
+# to an undefined value.
+
#### Perl variable types
# Variables begin with a sigil, which is a symbol showing the type.