Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl Monk, Perl Meditation
 
PerlMonks  

Re: Replacing matches within string without splitting.

by NetWallah (Abbot)
on Jan 02, 2013 at 06:44 UTC ( #1011214=note: print w/ replies, xml ) Need Help??


in reply to Replacing matches within string without splitting.

Typically, leading zero printing, and other formatting is done using sprintf and friends:
perl -E '$x="2,42,1,3"; printf "%.2d ",$_ for eval("($x)") ; print +"\n"' 02 42 01 03
Update: Replaced with better example.

             "By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest."           -Confucius

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1011214]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others exploiting the Monastery: (7)
As of 2016-07-28 18:28 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    What is your favorite alternate name for a (specific) keyboard key?


















    Results (255 votes). Check out past polls.