Beefy Boxes and Bandwidth Generously Provided by pair Networks
Your skill will accomplish
what the force of many cannot
 
PerlMonks  

Re: split function

by kennethk (Monsignor)
on Jul 12, 2010 at 16:15 UTC ( #849035=note: print w/ replies, xml ) Need Help??


in reply to split function

Your line while(my @line = <DATAIN>) slurps in the whole file. I think what you mean to write is:

open(DATAOUT, ">variable")||die"$!\n"; for(my $count=0.9; $count<=1; $count=$count+0.01) { open(DATAIN, "<$ARGV[0]")||die"cannot open \"ARGV[0]\":$!"; while(<DATAIN>) { my @line = split (/\t/); if($line[2] >= $count) { print DATAOUT; } } close DATAIN; }

The while(<DATAIN>) structure reads the next line into the special variable $_, which is then split on tabs and stored in my @line = split (/\t/);. See I/O Operators and split.

If this does not meet spec, post your input file (wrapped in code tags) and expected output, so we can see what you see what you see. Read How do I post a question effectively?.

Update: Please do not change the content of posts - it makes it less likely people will notice your updates and makes it much more difficult to follow threads later. It looks like jwkrahn's post below answers your concerns.


Comment on Re: split function
Select or Download Code
Re^2: split function
by ysth (Canon) on Jul 12, 2010 at 17:03 UTC

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://849035]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others wandering the Monastery: (11)
As of 2014-08-29 22:19 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The best computer themed movie is:











    Results (289 votes), past polls