Another question, is it possible to, in a for-loop incrementing until it reaches a certain number, to have it loop again without incrementing? Just have it drop what it is doing when it reaches this command and start again at the same number it was at? I know I could make a while loop and just... (0 Replies)
Hi All,
I amlearning UNIX scripting. I have a small query. I would be thankful if any one helps me out.
I have a below piece of code which delets the files. If file dosent have the permissions to delete a particular file I have used 2>>operator to track the error code.
But my objective is... (1 Reply)
I wonder how to stop further loop iterations when conditions gets false e.g.
This file.txt contains the following structure :
1
2
3
4
5
6
7
8
9
10
How to stop iteration when if statement gets false ?
for n in `cat file.txt`
do
if (( n<=5 )) (1 Reply)
question :how can i iterate to next item in for loop with the loop
e.g
for i in `cat abc.txt`
do
echo $i // this will display first line
i=$i+1; // this doesnt work for me.
echo $i; //this will display secound line
done
question: is my approach to manipulate text good?
I have... (3 Replies)
I have written the following script to update some Debian boxes.
#!/bin/bash
mxg_hosts_file="/etc/mxg/ssh-hosts"
while read line ; do
mxg_host="$(echo ${line} | awk -F":" '{print $1}')"
mxg_port="$(echo ${line} | awk -F":" '{print $2}')"
echo "Connecting and Upgrading... (3 Replies)
for VGLIST in `lsvg -o`
do
CLOSED_OUT=`echo $VGLIST | lsvg -l $VGLIST | awk '{print $6 " " $7}' | grep closed`
if ]; then
echo "Filesystems $CLOSED_OUT in VG that are in Closed status"
else
echo "\n Some message"
fi
Above Code is working fine, but echo "Filesystems $CLOSED_OUT... (8 Replies)
bash in RHEL 6.4
I have a requirement in which I want to get the iteration count from a WHILE LOOP.
The below mentioned simple script test.sh works fine. In the below script, the WHILE loop will iterate every 5 seconds infinitely until it greps the string BASKETBALL from /tmp/somestring.txt... (6 Replies)
I am trying to check multiple server's "uptime" in a loop over "ssh".
When I execute multiple ssh commands with hard coded servernames script is executing fine.
But when I pass server names using while loop, script is exiting after checking first server's status, why?
# serverList... (8 Replies)
Hello,
I have been stuck on this for some time and invested many hours trying to find a solution. I am trying to either loop through two variables or or two arrays and not sure how to do it. I am limited to ksh only, and don't have the ability to do a foreach, or for i AND for j etc...I... (19 Replies)
Hello,
I've written a script to automate encoding of all the MP4 files in a directory (incl. subdirectories). But unfortunately it's running for the first MP4 file only.
My machine details:
root@Ubuntu16:~# uname -a
Linux Ubuntu16 4.10.0-28-generic #32~16.04.2-Ubuntu SMP Thu Jul 20 10:19:48... (2 Replies)
Discussion started by: prvnrk
2 Replies
LEARN ABOUT DEBIAN
wiki-toolkit-revert-to-date
WIKI-TOOLKIT-REVERT-TO-DATE(1p) User Contributed Perl Documentation WIKI-TOOLKIT-REVERT-TO-DATE(1p)NAME
wiki-toolkit-revert-to-date - Revert the state of a Wiki::Toolkit instance to an earlier point in time.
SYNOPSIS
# Removes any changes made to a Wiki::Toolkit instance since a given date
# (and optionally time), restoring it to the state at that point.
wiki-toolkit-revert-to-date --type postgres
--name mywiki
--user wiki
--pass wiki
--host 'db.example.com'
--port 1234
--date 2007-01-05
--time 11:23:21
DESCRIPTION
Takes three mandatory arguments:
type
The database type. Should be one of 'postgres', 'mysql' and 'sqlite'.
name
The database name.
date
The date to revert the state back to, in the format YYYY-MM-DD
five optional arguments:
time
The time (on the specified date) to revert the state back to, in the format hh:mm:ss. If not specified, will use midnight.
user
The user that connects to the database. It must have permission to create and drop tables in the database.
pass
The user's database password.
host
The hostname of the machine the database server is running on (omit for local databases).
port
The port number that the database server is expecting connections to.
AUTHOR
Nick Burch
COPYRIGHT
Copyright (C) 2006 Nick Burch. All Rights Reserved.
This code is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO
Wiki::Toolkit
perl v5.14.2 2011-09-25 WIKI-TOOLKIT-REVERT-TO-DATE(1p)