03-31-2010
Try this
st=`cat /home/state`
instead of
st='cat /home/state'
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
With cut -c 8-13 myfile,
I am getting some numeric value.
In my shell script I am trying to assign something like this,
var=cut -c 8-13 myfile
But at the time of execution I am getting -c is not found.
If I dont assign, then script executes well.
Can we not simply use the value from one... (8 Replies)
Discussion started by: videsh77
8 Replies
2. UNIX for Dummies Questions & Answers
Hi,
How do I store following command output:
export RESULT=`date` &
It works when I do :
export RESULT=`date`
But what I need is when command put it background, I also need that output going to RESULT variable.
Is there any way ?
Thanks
Sanjay (1 Reply)
Discussion started by: sanjay92
1 Replies
3. Shell Programming and Scripting
Hi,
in a shell script how can I put the result of a grep command in a variable :
myvariable=grep mystring myfilename
Thank you. (3 Replies)
Discussion started by: big123456
3 Replies
4. Shell Programming and Scripting
Hi,
i have two questions, I am new to programming
1. I have an output of a command and i want to get some specific part of it in a variable. i am trying
sr=`some comand xyz| grep 'Last Changed Rev:' | cut -c19-`
now variable sr gets a end of line character at end.
output of the command... (3 Replies)
Discussion started by: muaz
3 Replies
5. Programming
Hi, with this command:
cu -l /dev/ttyACM0 -s 9600 > name.txt
I put the output of the port in a txt
Is posible to do the same (or similar) in a var directly, inside a C program?
cu -l /dev/ttyACM0 -s 9600 > variable ?
I have trying this withs pipes, but i dont know how to... (6 Replies)
Discussion started by: daaran
6 Replies
6. Shell Programming and Scripting
I'm hoping you guys can help me out here. I've been trying different methods to try and get what IW as hoping would be a fairly simple script but has turned into a pain.
Bit of background - I am writing a script to check values in certain failes to ensure they are corerct. I'm runnign this on... (2 Replies)
Discussion started by: stuc
2 Replies
7. Shell Programming and Scripting
Hi,
in shell script, i have the command swstart -p which returns an output. i want to store the output of this command into a variable. how i can do that
excerpt from the script
#!/usr/bin/ksh
#
#
#
# Program: swstart -p
#
# Description: Starts the sentinels on Slave server
... (4 Replies)
Discussion started by: lookinginfo
4 Replies
8. UNIX for Advanced & Expert Users
I'm working on a short BASH script on my Ubuntu box that will run powerpoint scripts with MS Powerpoint Viewer 2007 via WINE.
I can run the presentation when I run it manually but what i'd like to do is have the script look for the newest file then run it.
#! /bin/sh
# Start the newest... (2 Replies)
Discussion started by: binary-ninja
2 Replies
9. Shell Programming and Scripting
#!/bin/bash
#...
for i in `ls -c1 /usr/share/applications`
do
name="cat $i | grep ^Name= | cut -d = -f2"
echo $name
#...
done
Now inside name as output is present:
while i want only the result of the command.
Ideally i would like obtain that information using only bash ... or... (8 Replies)
Discussion started by: alexscript
8 Replies
10. Shell Programming and Scripting
I have the following script used, i am new to shell scripting. tryign to understand.
in the put $BASE_FOLDER/$base_name holds which path.
What does it mean by $1
second path in put command is it constructing this path: /user/hive/warehouse/stage.db/$1
what is $1 holding in above path.
... (2 Replies)
Discussion started by: cplusplus1
2 Replies
CAT(1) User Commands CAT(1)
NAME
cat - concatenate files and print on the standard output
SYNOPSIS
cat [OPTION]... [FILE]...
DESCRIPTION
Concatenate FILE(s), or standard input, to standard output.
-A, --show-all
equivalent to -vET
-b, --number-nonblank
number nonempty output lines
-e equivalent to -vE
-E, --show-ends
display $ at end of each line
-n, --number
number all output lines
-s, --squeeze-blank
suppress repeated empty output lines
-t equivalent to -vT
-T, --show-tabs
display TAB characters as ^I
-u (ignored)
-v, --show-nonprinting
use ^ and M- notation, except for LFD and TAB
--help display this help and exit
--version
output version information and exit
With no FILE, or when FILE is -, read standard input.
EXAMPLES
cat f - g
Output f's contents, then standard input, then g's contents.
cat Copy standard input to standard output.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
Report cat bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report cat translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for cat is maintained as a Texinfo manual. If the info and cat programs are properly installed at your site, the
command
info coreutils 'cat invocation'
should give you access to the complete manual.
GNU coreutils 8.5 February 2011 CAT(1)