Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl-Sensitive Sunglasses
 
PerlMonks  

Re^3: One liner to subtract by 2

by choroba (Abbot)
on Jul 24, 2013 at 14:10 UTC ( #1046125=note: print w/ replies, xml ) Need Help??


in reply to Re^2: One liner to subtract by 2
in thread One liner to subtract by 2

Thanks, fixed.

لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ


Comment on Re^3: One liner to subtract by 2
Re^4: One liner to subtract by 2
by Anonymous Monk on Jul 24, 2013 at 14:28 UTC

    Thanks Guys

    the header is on the first line of my file so I'm doing the following

    perl -pe 's/(0-9{10})$/sprintf("%010d", $1-2)/e if $. ==1' TONYFILE.DAT

    for some reason it's not changing the count...it's still 496

    any idea what i'm missing here?

      This outputs the new contents to the standard output. If you want to change the file, you have to add the -i flag:
      perl -i~ -pe ...
      لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1046125]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others meditating upon the Monastery: (4)
As of 2014-09-20 04:01 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    How do you remember the number of days in each month?











    Results (152 votes), past polls