Beefy Boxes and Bandwidth Generously Provided by pair Networks
good chemistry is complicated,
and a little bit messy -LW
 
PerlMonks  

Re^2: When should you not use strict and warnings?

by Athanasius (Monsignor)
on Dec 28, 2012 at 16:15 UTC ( #1010717=note: print w/ replies, xml ) Need Help??


in reply to Re: When should you not use strict and warnings?
in thread When should you not use strict and warnings?

Well, adding -Mstrict and qualifying every variable with my may be a little much for a one-liner. But adding a single -w? Consider:

2:05 >type nums.txt 1 2 3 4 2:05 >perl -nE "$sum += $_; END { say $sum }" nums.txt 10 2:06 >perl -nwE "$sum += $_; END { say $sum }" nums.txt 10 2:06 >perl -nE "$sum += $_; END { say $sun }" nums.txt 2:06 >perl -nwE "$sum += $_; END { say $sun }" nums.txt Name "main::sum" used only once: possible typo at -e line 1. Name "main::sun" used only once: possible typo at -e line 1. Use of uninitialized value $sun in say at -e line 1, <> line 4. 2:06 >

That’s a lot of potential help for the cost of just one extra character on the command line. :-)

Athanasius <°(((><contra mundum Iustus alius egestas vitae, eros Piratica,


Comment on Re^2: When should you not use strict and warnings?
Download Code

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1010717]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others scrutinizing the Monastery: (9)
As of 2014-08-23 11:43 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The best computer themed movie is:











    Results (173 votes), past polls