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Full Discussion: Perl sorting
Top Forums Shell Programming and Scripting Perl sorting Post 302404041 by Learnerabc on Monday 15th of March 2010 11:39:36 AM
Old 03-15-2010
Thanks for reply,
I know how to do with sort -k2 file but i want to try with perl
Quote:
Originally Posted by ungalnanban
You can use the following command for sorting the data by second column.

Code:
sort -t ' ' -k 2 Data.txt

Input
a b c
c b s
a a c
a c e
f f d
c d g

Output
a a c
a b c
c b s
a c e
c d g
f f d


---------- Post updated at 11:39 AM ---------- Previous update was at 11:38 AM ----------

No not homework. Trying to learn different things in unix

i will try split and let u know in 4 hrs if that work or not

Thanks for reply
Quote:
Originally Posted by bigearsbilly
is this homework?
you need to split into columns if you don't want to use
the first reply to your thread.
i.e. you need to extract the second column from $a and $b before you cmp
 

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SPLIT(1)								FSF								  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [OPTION] [INPUT [PREFIX]] DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --suffix-length=N use suffixes of length N (default 2) -b, --bytes=SIZE put SIZE bytes per output file -C, --line-bytes=SIZE put at most SIZE bytes of lines per output file -l, --lines=NUMBER put NUMBER lines per output file --verbose print a diagnostic to standard error just before each output file is opened --help display this help and exit --version output version information and exit SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command info split should give you access to the complete manual. split (coreutils) 4.5.3 February 2003 SPLIT(1)
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