Beefy Boxes and Bandwidth Generously Provided by pair Networks
Problems? Is your data what you think it is?
 
PerlMonks  

How not to remove trailing empty strings from an array

by ambrus (Abbot)
on Apr 16, 2013 at 10:54 UTC ( #1028872=perlmeditation: print w/ replies, xml ) Need Help??

Just a quick note to document a funny error.

I tried to remove trailing empty strings from an array of strings with the following code.

pop @msgstr while !length($msgstr[-1]);

This didn't work. Can you guess why? Solution under the fold.

Comment on How not to remove trailing empty strings from an array
Select or Download Code
Re: How not to remove trailing empty strings from an array
by Neighbour (Friar) on Apr 16, 2013 at 14:32 UTC
Re: How not to remove trailing empty strings from an array
by LanX (Canon) on Apr 16, 2013 at 17:17 UTC

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: perlmeditation [id://1028872]
Approved by kcott
Front-paged by Arunbear
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others surveying the Monastery: (12)
As of 2015-01-26 19:25 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    My top resolution in 2015 is:

















    Results (196 votes), past polls