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Full Discussion: modify a file by inserting a conditional values
Top Forums Shell Programming and Scripting modify a file by inserting a conditional values Post 302596254 by balajesuri on Tuesday 7th of February 2012 03:53:02 AM
Old 02-07-2012
Code:
#! /usr/bin/perl -w
use strict;

my (@x, @y, $l1, $l2);

open I, "< inputfile";
for (<I>) {
    if (/^CCCC/) {
        print;
        ($l1, $l2) = ("   0", 1500);
    }
    if (/^DDDD/) {
        @x = split /\s+/;
        print shift @x , " " x 17;
        unshift (@x, $l1, $l2);
        if (@x > 10) { $l2 = pop @x; $l1 = pop @x; }
        print "@x\n";
    }
}
close I;

Code:
$ ./test.pl
CCCC                 1204     215764.85   9405410.40               1189
DDDD                    0 1500 4498 1503 4617 1507 4723 1517 4829 1528
DDDD                 4996 1540 5199 1556 5278 1567 5529 1603 5674 1614
DDDD                 6076 1915 6605 2371 7004 2779
CCCC                 1284     216035.45   9405830.95               1216
DDDD                    0 1500 4498 1503 4626 1505 4720 1515 4832 1529
DDDD                 4962 1537 5270 1569 5597 1596 5671 1607 5828 1694
DDDD                 6115 1933 6392 2165 7004 2810

1. Please don't bump posts.

2. I see that in many posts, you just don't bother to comment or thank on the solutions provided by members.
https://www.unix.com/shell-programmin...ent-files.html
https://www.unix.com/shell-programmin...ent-files.html
https://www.unix.com/shell-programmin...ern-found.html

3. You might want to read this post:
Flag that marks user so you can avoid them
Last edited by balajesuri; 02-07-2012 at 05:06 AM..
 

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LEARN ABOUT REDHAT

httppower

httppower(8)							     powerman							      httppower(8)

NAME

       httppower - communicate with HTTP based power distribution units

SYNOPSIS

       httppower [--url URL]

DESCRIPTION

       httppower  is  a  helper program for powerman which enables it to communicate with HTTP based power distribution units.	It is run interac-
       tively by the powerman daemon.

OPTIONS

       -u, --url URL
	      Set the base URL.

INTERACTIVE COMMANDS

       The following commands are accepted at the httppower> prompt:

       auth user:pass
	      Authenticate to the base URL with specified user and password, using ``basic'' HTTP authentication which sends the user and password
	      over the network in plain text.

       seturl URL
	      Set the base URL.  Overrides the command line option.

       get [URL-suffix]
	      Send an HTTP GET to the base URL with the optional URL-suffix appended.

       post [URL-suffix] key=val[&key=val]...
	      Send an HTTP POST to the base URL with the optional URL-suffix appended, and key-value pairs as argument.

FILES

       /usr/sbin/httppower
       /etc/powerman/powerman.conf

ORIGIN

       PowerMan was originally developed by Andrew Uselton on LLNL's Linux clusters.  This software is open source and distributed under the terms
       of the GNU GPL.

SEE ALSO

       powerman(1), powermand(8), httppower(8), plmpower(8), vpcd(8), powerman.conf(5), powerman.dev(5), powerman-devices(7).

       http://sourceforge.net/projects/powerman

powerman-2.3.5							    2009-02-09							      httppower(8)
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