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.
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
i'm halfway into my script and realize i may need to use an associative array (a hash, i guess they are called in Perl). i'm fairly new to Perl and don't know how to use them correctly.
i have some files in a directory. each file contains a number in a specific place in it's header. what i would... (4 Replies)
I have many files that I need to sort each week. I know how to do in Unix, but for this task it appears best to do native inside an existing perl program. So, simplified, I have a file similar to the following:
Joe_________12_Main_St__A001________LX
Benny_______5_Spring____A002________LX... (5 Replies)
Hello,
I have a page where multiple fields and their values are displayed. But I am able to sort only a few fields. When I looked into the issue, it is seen that the for each row of info , an unique id is generated and id.txt is generated and saved. Only those fields which are inside that id.txt... (3 Replies)
I have an array full of string values that need to be sorted, but if a value starts with (regex) 0^ it should be at the beginning of the array. Otherwise the array should be sorted normally using ascii sort.
Please help me create the sub to pass to the sort function. (7 Replies)
Hi All,
I have an array in perl as @match = (201001,201002,201001,201002);
I am trying to sort this array as
@match = sort(@match);
print "@match";
I dont see the output sorted any answers
I also tried another way, but still the results are not sorted
foreach my $match (sort { $a... (2 Replies)
Good morning!!
Im trying to practice withe Perl and sorting variables is not going good at all!
#!/usr/bin/perl
$username = $ENV {'LOGNAME'};
print "Hello, $username\n";
I want to add sort and 'mail' and 'home'. This below is what I have came up with,but of course its not working.
... (5 Replies)
I have a file abc.txt which contains data in th following format
abc,23
hgfh,87
tweg,89
jdfjn,74
I want to sort on the basis of column (the second one). It should be numerical sort.
output should be
abc,23
jdfjn,74
hgfh,87
tweg,89
I know how to do it in unix. I need a PERL code (1 Reply)
Hi all,
Not sure if this should be in the programming forum, but I believe it will get more response under the Shell Programming and Scripting FORUM.
Am trying to write a customized df script in Perl and need some help with regards to using arrays and file handlers.
At the moment am... (3 Replies)
I have a directory of backup files.
named like this:
ldap.data.04-06-2012.tar
ldap.data.03-06-2012.tar
ldap.data.02-06-2012.tar
ldap.data.01-06-2012.tar
ldap.data.31-05-2012.tar
ldap.data.30-05-2012.tar
ldap.data.29-05-2012.tar
ldap.data.28-05-2012.tar
ldap.data.27-05-2012.tar... (6 Replies)
Hey guys,
I have started to learn perl recently because of a position I took. They want me to master perl and I've been reading books and practicing myself.
Basically I,m having my perl script run through a text pad and give the output in a special way
e.g
input
deviceconfig {
... (5 Replies)
Discussion started by: zee3b
5 Replies
LEARN ABOUT REDHAT
split
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)