09-06-2016
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have no idea why I can't get this to work, if anybody can help i would appreciate it.
#!/bin/bash
x=`cat counter.txt | wc -l`
y= '$x / 7'
printf "%d People have visited this page" $y
:confused: (2 Replies)
Discussion started by: paladyn_2002
2 Replies
2. Shell Programming and Scripting
I am using egrep to extract numbers from a file and storing them as variables in a script. But I am not able to do any arithmetic operations on the variables using "expr" because it stores them as char and not integers. Here is my code and the error I get. Any help will be appreciated.
#!/bin/sh... (3 Replies)
Discussion started by: emjayshaikh
3 Replies
3. UNIX for Dummies Questions & Answers
Hi, All,
I have a file, its content is as follows:
100 150
120 135
140 170
I want to insert a column, its content is determined by the difference between the two values in the same line, if the difference is less than 20, the new value is 1, otherwise is 0.
after the operation, the... (1 Reply)
Discussion started by: Jenny.palmy
1 Replies
4. Shell Programming and Scripting
Hi all,
I would appreciate if anyone knows how to perform adding to date.
As for normal date, i can easily plus with any number.
But when it comes to month end say for example 28 Jun, i need to perform a plus with number 3, it will not return 1 Jul.
Thanks in advance for your help. (4 Replies)
Discussion started by: agathaeleanor
4 Replies
5. Shell Programming and Scripting
I have output like following in a file
usmtnz-dinfsi19
72
71
38
1199
1199
0.8
19:23:58
usmtnz-dinfsi19
72
71
38
1199
1199
0.8
19:24:04 (9 Replies)
Discussion started by: fugitive
9 Replies
6. Shell Programming and Scripting
Hi
I have a file with 3 columns. say,
infile:
1 50 68
34 3 23
23 4 56
-------
-------
I want to generate n files from this file using a loop so that 1st column in output file is (column1 of infile/(2*n+2.561))
I am doing like this:
for ((i=1; i<=3; i++))
do
a=`echo... (3 Replies)
Discussion started by: Surabhi_so_mh
3 Replies
7. Shell Programming and Scripting
I am writing a script in zsh shell, it fetchs a number from a file using the awk command, store it as a variable, which in my case is a small number 0.62000. I want to change this number by multiplying it by 1000 to become 620.0 using the command in the script
var2=$((var1*1000))
trouble is... (2 Replies)
Discussion started by: piynik
2 Replies
8. UNIX for Dummies Questions & Answers
input:
Name|Operation
rec_10|1+2+2-
Output:
rec_10|1
Basically I am trying to calculate the result of "the path" in $3 where the operators follow the number and not preceding them like we normally do:
rec_10: +1+2-2=1
But I realise (I am sure there is a good reason for that) that awk... (7 Replies)
Discussion started by: beca123456
7 Replies
9. Shell Programming and Scripting
Hi,
I've this following text file
FileVersion = 1.03
Filetype = meteo_on_curvilinear_grid
TIME = 0 hours since 2016-10-03 12:00:00 +00:00
-6.855 -6.828 -6.801 -6.774 -6.747 -6.719 -6.691 -6.663 -6.634 -6.606 -6.577 -6.548 -6.519 -6.489
TIME = 0 hours since... (2 Replies)
Discussion started by: xisan
2 Replies
10. How to Post in the The UNIX and Linux Forums
I have to do some arithmetic operation on Field 8 which is calculated by Field 9/Field 7
Suppose i have data like :
0800123456|JAN|2017|JAN|2018|0800123456|0|0.0000|0.00|
0800234567|JAN|2017|JAN|2018|0800234567|4|2.5812|10.32|
0800666666|JAN|2017|JAN|2018|0800666666|2|1.7255|3.45|... (0 Replies)
Discussion started by: pumrao
0 Replies
LDP(7) Miscellaneous Information Manual LDP(7)
NAME
LDP - Intro to the Linux Documentation Project, with help, guides and documents
SYNOPSIS
The Linux Documentation Project (LDP) provides a variety of free documentation resources including guides, FAQs, HOWTOs, and man-pages to
the Linux community.
AUTHORS
The various documents in the LDP archives are maintained by individual authors, and are listed in the beginning of each HOWTO. If you have
any questions or inputs to a document we encourage you to contact the authors directly.
WEB PAGES
The LDP has its own dedicated web site as do many of the various translations projects which are linked from the main LDP web site at:
http://www.tldp.org/
MAN PAGES
A web page with status information for manual pages and translations is found at:
http://www.win.tue.nl/~aeb/linux/man/
MAILING LISTS
LDP has a number of mailing lists, such as
<announce@en.tlpd.org>
Announcements from the LDP project
<discuss@en.tldp.org>
General discussion on the LDP project
<docbook@en.tldp.org>
Questions about the use of DocBook
For subscription information, see the website.
If you are interested in DocBook beyond the simple markup of your LDP document, you may want to consider joining one of the OASIS DocBook
mailing lists. Please see http://docbook.org/mailinglist/index.html for more information.
FILES
Most distributions include the HOWTOs and mini-HOWTOs in the installation
/usr/doc/ (old place for documentation)
/usr/share/doc/ (new place for documentation)
/usr/share/doc/HOWTO/ (HOWTO files)
/usr/share/doc/HOWTO/mini/ (mini-HOWTO files)
SEE ALSO
info(1), man(1), xman(1x)
info pages as read with emacs(1) or info(1)
LDP
2001-11-15 LDP(7)