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  #1 (permalink)  
Old 02-09-2008
H2OBoodle H2OBoodle is offline
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Posts: 18
Sort a file line by line alphabetically

infile:
z y x
c b a

desired output:
x y z
a b c

I don't want to sort the lines into this:
a b c
x y z

nor this:
c b a
z y x

The number of fields per line and number of lines is indeterminate. The field separator is always a space.

Thanks for the use of your collective brains.
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Old 02-09-2008
KevinADC KevinADC is offline Forum Advisor  
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what have you tried so far?
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Old 02-09-2008
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HPAVC HPAVC is offline
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My homework was never this much fun. You have to do this all in bash or what exactly?

PHP Code:
#!/usr/bin/perl                                                                                                              

use strict;
use 
warnings;

while(
my $line = <STDIN>) {
    print 
join(" "sort(split(/s+/, $line))) . "\n";


Last edited by HPAVC; 02-09-2008 at 08:16 PM..
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Old 02-09-2008
H2OBoodle H2OBoodle is offline
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I responded to your question but I included a link, so I guess it's being held up for administrator review. Anyway, I've tried "sort" and some awk, but still no joy.
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Old 02-09-2008
H2OBoodle H2OBoodle is offline
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The old split sort join trick. Nice. Thanks.
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Old 02-09-2008
ghostdog74 ghostdog74 is offline Forum Advisor  
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Quote:
Originally Posted by H2OBoodle View Post
Anyway, I've tried "sort" and some awk, but still no joy.
you should show how you did that.
anyway, have a go at it
Code:
awk '
 {
  for(i=NF;i>0;i--){
      # fill in the blanks
  }
 }
' file
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Old 02-10-2008
KevinADC KevinADC is offline Forum Advisor  
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Yes, I asked earlier what you had tried so far. That is quite helpful to the people that reply to you because they can get a feel for where you are going wrong or where you can use improvement and also see what you are doing correct and see what shell script you are using. Next time post any code you had written to try and solve the problem.
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