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UNIX for Beginners Questions & Answers
Read command
Post 302980985 by jimmyf on Monday 5th of September 2016 11:39:00 PM
09-06-2016
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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)
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2. Shell Programming and Scripting
I have file which is space filled likE below
Note: here spaces are replaced by |.
When I use read command to read this file all the spaces are truncated only the default space is not removed. The output is
Note: here spaces are replaced by |.
Can this default truncation be override? (4 Replies)
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Hi all,
What does -u option indicates in read command.
while read -u var1
do
.
.
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4. 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
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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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6. 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
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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)
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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(,).
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So my code below is :
Contents in the lookup.lkp file is :
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10. UNIX for Beginners Questions & Answers
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
else "Stranger... (2 Replies)
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Perlbal::Manual - Guide and reference manual for Perlbal VERSION Perlbal 1.78. DESCRIPTION This is the comprehensive guide and reference manual for Perlbal. Perlbal::Manual::Configuration How to configure Perlbal: pools, services, syntax and more. Perlbal::Manual::Contributing How to contribute to Perlbal. Perlbal::Manual::Credits Author and contributor credits for Perlbal. Perlbal::Manual::Debugging How Perlbal's Debugging system works. Perlbal::Manual::FailOver How Perlbal's Fail Over mechanism works. Perlbal::Manual::HighPriority Perlbal's high/low priority queueing system and how to use it. Perlbal::Manual::Hooks Existing hooks and how they work. Perlbal::Manual::Install Installation procedures for Perlbal. Perlbal::Manual::Internals Perlbal's architecture at a glance. Useful for developers. Perlbal::Manual::LoadBalancer Setting up a Perlbal Load Balancing service. Perlbal::Manual::Logging How Perlbal's Logging system works. Perlbal::Manual::Management Setting up a "management" service, connecting to that service and managing Perlbal on-the-fly. Perlbal::Manual::Plugins Known plugins and how to create new ones. Perlbal::Manual::ReverseProxy Setting up a Perlbal "reverse_proxy" service. Perlbal::Manual::Roles Brief description of existing roles. Perlbal::Manual::Selector Setting up a Perlbal "selector" service. Perlbal::Manual::WebServer Setting up a Perlbal "web_server" service. AUTHORS
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