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Shell Programming and Scripting
read command
Post 302189277 by era on Friday 25th of April 2008 10:53:59 AM
04-25-2008
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1. Shell Programming and Scripting
'Morning
vmstat 1 1|sed 1,2d|awk '{printf("%s\n",$1)}'|read var
echo $var
This syntax run on AIX (ksh) but not on linux (bash).
I think that problem is the read command, because the following syntax is ok :
vmstat 1 1|sed 1,2d|awk '{printf("%s\n",$1)}'
Could someone help me!
regards... (16 Replies)
Discussion started by: nymus7
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2. Shell Programming and Scripting
Hi all,
What does -u option indicates in read command.
while read -u var1
do
.
.
done < file.txt (1 Reply)
Discussion started by: krishna_gnv
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3. Shell Programming and Scripting
hi all
iam not able use read command in the while loop in the following program
while read line
do
echo $line
echo "enter name"
read name
echo "your have entered $name"
done < work.txt
THE READ COMMAND INSIDE THE WHILE LOOP IS NOT WORKING, IS ANY OTHER WAY TO SOLVE THIS... (7 Replies)
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4. Shell Programming and Scripting
Is there a way to use the READ command and force the user to enter a non-zero length string? If the user enters a zero length string the user input is rejected.
code:
print "what is the answer: \n"
read answer (2 Replies)
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5. UNIX for Dummies Questions & Answers
Hi everyone,
I have problem while writing a shell script for linux (Red Hat).
First I need to create a read command. I tried to google this but so far I can't sort this out. I hope you will be able to help me.
I have to read a file like this :
GESTION_DATA_SET_variable1_variable2
... (2 Replies)
Discussion started by: Aswex
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6. UNIX for Dummies Questions & Answers
Hey, guys!
Trying to research this is such a pain since the read command itself is a common word. Try searching "unix OR linux read command examples" or using the command substitution keyword. :eek:
So, I wanted to use a command statement similar to the following.
This is kinda taken... (2 Replies)
Discussion started by: ProGrammar
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7. Shell Programming and Scripting
Hello guys,
I am trying to a script that reads from key board and use the entered value in the next step.
Example: enter folder name
read $folder (i will give work)
cd /main/$folder/
pwd
it should print /main/work
---------- Post updated at 03:31 PM ----------... (1 Reply)
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Hi,
I am facing issues with the below:
I have a lookup file say lookup.lkp.This lookup.lkp file contains strings delimited by comma(,).
Now i want to read this command from file and execute it.
So my code below is :
Contents in the lookup.lkp file is :
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Is there a way to make the input of the read command (or some similar command that I'm unaware of) not visible, or with an astrix??
An example:
#!/bin/bash
# Example
echo; echo "Who are you??"; read name
if ;
then echo "Welcome, the terminal is yours."; exit
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10. UNIX for Beginners Questions & Answers
Trying to use the read command. How do you add a 2nd option? In this example I'd like to offer two options, pre and post. If you answer pre, you get one output but if you answer post, you get another output.
echo Is this pre or post?
read pre
if
then echo You have typed pre.
fi (6 Replies)
Discussion started by: jimmyf
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LEARN ABOUT DEBIAN
guess
guess(8) NVRAM WakeUp guess(8) NAME
guess - Tries to guess the configuration by comparing four dumps of the NVRAM. SYNOPSIS
guess DESCRIPTION
guess tries to figure out the position of the wakeup time settings in the NVRAM. Just run guess from within the directory, where the four NVRAM dumps at stored as "31.23.59.59+", "11.12.13.14+", "01.00.00.00+" and "01.00.00.00-". The file names denote the wakeup time, you have to set manually, before dumping the NVRAM: <DD>.<HH>.<MM>.<SS><status> <DD> = Day of month <HH> = Hour <MM> = Minute <SS> = Second <status> = wakeup enabled (+) or disabled (-) SEE ALSO
nvram-wakeup(8), guess-helper(8), README.mb HOMEPAGE
http://sf.net/projects/nvram-wakeup/ AUTHOR
Written by Sergei Haller <Sergei.Haller@math.uni-giessen.de>. REPORTING BUGS
Report bugs at the bug tracking system (see HOMEPAGE) or on the mailing list nvram-wakeup-devel@lists.sourceforge.net COPYRIGHT
Copyright (C) 2001-2004 Sergei Haller. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Linux Jul 07 2004 guess(8)