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author | Dan Book <grinnz@gmail.com> | 2015-12-13 19:22:29 -0500 |
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committer | Dan Book <grinnz@gmail.com> | 2015-12-13 19:22:29 -0500 |
commit | 35b3c490ce06fb94b8b51bd7f5ceb1638401fb1a (patch) | |
tree | 59fbdf105945fafa039d86f40799fc465ba4d8bf /perl.html.markdown | |
parent | 0b8a0526249264c7ac34069adf3159f2b72771a8 (diff) |
Add blurb about strict and warnings
Diffstat (limited to 'perl.html.markdown')
-rw-r--r-- | perl.html.markdown | 10 |
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. |