On my system I use Escape "k" to go back in commands. I read on tutorials that it is ctrl p, but that does not work on my system.
Anyone know what the command to go foward is? (6 Replies)
Hi All,
I have done some looking at other threads but haven't found quite what I am looking for. I am a newbie to scripting and haven't got to where I want to you but here is my basic question. I have a script to copy a file and send it to another file with a date and time stamp. What I want to... (4 Replies)
I am trying to use printf with a character string that is used within a do loop. The problem is that while in the loop, the printf prints the variable name instead of the value. The do loop calls the variable name from a text file (called device.txt):
while read device
do
cat $device.clean... (2 Replies)
I'm not sure if the problem I'm seeing is an artifact of sed or simply a beginner's mistake. Here's the problem: I want to add a zero-width space following each underscore between XML tags. For example, if I had the following xml:
<MY_BIG_TAG>This_is_a_test</MY_BIG_TAG>
It should look like... (8 Replies)
I have a file like this
2011-10-10 10:46:00,1-1-13-1-1,151510,ALCLA0A84D2C
2011-10-10 10:46:00,1-1-13-1-1,151520,65537
2011-10-10 10:46:00,1-1-13-1-1,151515,46932
2011-10-10 10:46:00,1-1-13-1-1,151521,32769
2011-10-10 10:46:00,1-1-13-1-1,151522,32769
2011-10-10... (4 Replies)
How do i write a loop ping to see if it get timeout or hang ? it should loop every 30 second to ping a server ?
ping -c 5 -t 15 www.google.com
if ]; then
date '+%Y-%m-%d %H:%M:%S Connection Unavailable' >> /home/sabercats/checkconnection.log
else
date '+%Y-%m-%d %H:%M:%S Connection... (3 Replies)
How to repeat the execution of a simple command like the following for 1 sec ?
echo Hi
The completion time for the command is not known, but we need to calculate the number of times this commans executes successfully within 1 sec.
Thanks
Kumarjit (5 Replies)
Hey,
I've created following script:
var1=test1
setA=testA
if
...
touch $setA/$var1
...
fi
I would like now the repeat the command touch (in this example) for different variables.
So below, the varX should run 3 times (var1, var2, var4). Var3 is skipped in this example... (4 Replies)
Hello is it possible with awk or sed to replace any white space with the previous line characters in the same position?
I am asking this because the file I have doesn't always follow a pattern.
For example the file I have is the result of a command to obtain windows ACLs:
icacls C:\ /t... (5 Replies)
I have a csv dataset like this :
C,rs18768
G,rs13785
GA,rs1065
G,rs1801279
T,rs9274407
A,rs730012
I'm thinking of use like awk, sed to covert the dataset to this format: (if it's two character, then keep the same)
CC,rs18768
GG,rs13785
GA,rs1065
GG,rs1801279
TT,rs9274407... (7 Replies)
Discussion started by: nengcheng
7 Replies
LEARN ABOUT DEBIAN
io::digest
IO::Digest(3pm) User Contributed Perl Documentation IO::Digest(3pm)NAME
IO::Digest - Calculate digests while reading or writing
SYNOPSIS
use IO::Digest;
# Get a Digest::MD5 object that takes input while $fh being written or read
$iod = IO::Digest->new ($fh, 'MD5');
print $fh "fooo";
print $iod->hexdigest
DESCRIPTION
This module allows you to calculate digests while reading or writing file handles. This avoids the case you need to reread the same con-
tent to compute the digests after written a file.
TEST COVERAGE ----------------------------------- ------ ------ ------ ------ ------ ------
File stmt branch cond sub time total
----------------------------------- ------ ------ ------ ------ ------ ------
blib/lib/IO/Digest.pm 100.0 n/a n/a 100.0 100.0 100.0
Total 100.0 n/a n/a 100.0 100.0 100.0
----------------------------------- ------ ------ ------ ------ ------ ------
AUTHORS
Chia-liang Kao <clkao@clkao.org>
COPYRIGHT
Copyright 2004 by Chia-liang Kao <clkao@clkao.org>.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
See <http://www.perl.com/perl/misc/Artistic.html>
perl v5.8.8 2004-09-24 IO::Digest(3pm)
12-13-2007
