|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
The efficiency between GREP and SED???
Post 302452942 by Corona688 on Monday 13th of September 2010 01:15:41 PM
09-13-2010
|
|
5 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
how efficient is it, and how practical is it to call outside programs in a shell script (bash) for small tasks?
for example, say i have a script that might preform many tasks, one of those tasks may require root access; rather than implementing inside the script a method to use su or sudo to... (11 Replies)
Discussion started by: norsk hedensk
11 Replies
2. Shell Programming and Scripting
I have the following Perl snippet:
# get datetime
@dt = gmtime();
$strdate = 1900 + $dt . addleadingzero(++$dt) . addleadingzero($dt) . addleadingzero($dt) . addleadingzero($dt) . addleadingzero($dt);
# write to file
$outfile = $strdate . ".txt";
getstore($url, $outfile) or die "Error:... (3 Replies)
Discussion started by: figaro
3 Replies
3. Shell Programming and Scripting
Hi !! I've finished an awk exercise. Here it is:
#!/bin/bash
function calcula
{
# Imprimimos el mayor tamaño de fichero
ls -l $1 | awk '
BEGIN {
max = $5; # Inicializamos la variable que nos guardará el máximo con el tamaño del primer archivo
}
{
if ($5 > max){ #... (8 Replies)
Discussion started by: Phass
8 Replies
4. Shell Programming and Scripting
I've got this program set up so that it creates files whose unique names specify the jobs their contents describe. In order to retrieve the information inside those files, I have to do a "grep" and awk or sed to extract it. I've just assumed that making a directory with that unique name that... (1 Reply)
Discussion started by: gmark99
1 Replies
5. UNIX for Advanced & Expert Users
Hello, there.
I'm a new beginner to Linux kernel and curious about its memory management.
When multiple applications apply for memory space at the same time, how Linux kernel solve the resource contending problem for high performance?
I have known that there is a buddy system for allocating and... (4 Replies)
Discussion started by: blackwall
4 Replies
LEARN ABOUT DEBIAN
lchage
lchage(8) System Manager's Manual lchage(8) NAME
lchage - Display or change user password policy SYNOPSIS
lchage [OPTION]... user DESCRIPTION
Displays or allows changing password policy of user. OPTIONS
-d, --date=days Set the date of last password change to days after Jan 1 1970. -E, --expire=days Set the account expiration date to days after Jan 1 1970. Set days to -1 to disable account expiration. -i, --interactive Ask all questions when connecting to the user database, even if default answers are set up in libuser configuration. -I, --inactive=days Disable the account after days after password expires (after the user user is required to change the password). -l, --list Only list current user's policy and make no changes. -m, --mindays=days Require at least days days between password changes. Set days to 0 to disable this checking. -M, --maxdays=days Require changing the password after days since last password change. Set days to 99999 to disable this checking. -W, --warndays=days Start warning the user days before password expires (before the user is required to change the password). EXIT STATUS
The exit status is 0 on success, nonzero on error. libuser Jan 12 2005 lchage(8)