Comments on: Shell Script to get user input

By: MBN

MBN — Mon, 13 Oct 2008 12:56:47 +0000

Oh and this is the not out put which for a newbie don’t look to good :(

: command not found
Please enter a users name and press [ENTER] :
: command not found
taskb.sh line 31: syntax error near unexpected token `fi’
taskb.sh line 31: `fi’

By: MBN

MBN — Mon, 13 Oct 2008 12:50:52 +0000

Still a little bit lost :(

This is what i’m trying to do and my code that’s all $%^ up

I’m trying to get a user to enter another users name which in turn checks to see if that users home folder exists.

#!/bin/bash


cd /home
echo "Please enter a users name and press [Enter]";
while read username
do
blank="$username"
echo $blank;
if [ -z "${blank}" ]; then
echo "That was empty, Please try again"
else
echo "Checking now . . . . "
fi
done
if [ -d $username ]; then
echo "That user exists"
else
echo "No such user"  # am I able to loop this back up to the top for user to enter user name?

fi

Sorry about the shocking coding i’m still trying to learn

By: TheLinuxBlog.com

TheLinuxBlog.com — Fri, 10 Oct 2008 13:23:51 +0000

@MBN the -z string returns True if the length of string is zero.
Currently, if the user types an empty string, or nothing the script exits.
Removing -z in the if statement will exit if the user types something in.

Hope this helps,

- Owen.

By: MBN

MBN — Fri, 10 Oct 2008 00:48:48 +0000

hiya

looked at your above script but i want to use it the oppersite way around… more to check that user input is not blank?

By: The Linux Blog » tweeting from the command line

The Linux Blog » tweeting from the command line — Sun, 29 Jun 2008 17:25:14 +0000

[…] If you’d like more information on how this works read this article: Shell Script to get user input […]

By: Owen

Owen — Fri, 29 Feb 2008 16:44:05 +0000

Phani,

Try this script: input.sh It should exit the loop with no problem.

By: Phani

Phani — Thu, 28 Feb 2008 23:49:05 +0000

Thanks Owen
But its not working, the loop is not ending and the input is not passing to the variable.

Any help is much appreciated.

Thanks,
Phani.

By: Owen

Owen — Thu, 28 Feb 2008 18:20:21 +0000

Hi Phani,

This should work:

while read inputline
do
what=”$inputline”
done

echo $what

Hope this helps, Owen.

By: Phani

Phani — Thu, 28 Feb 2008 05:55:26 +0000

Hi Owen

I am trying to export the user input to a variable. I did used the example provided by you, but the loop is never ending. I want to stop the loop once the user has entered his input, so that I can export that input to another variable which can be used for other script.

Kindly help by any suggestion in achieving this task.

Thanks,
Phani.

By: Owen

Owen — Thu, 07 Feb 2008 22:13:31 +0000

All right, Maybe change the run level to multi user no X. This time see if once its done you can just run the command startx.