Write a bash script to demonstrate until loop which displays "While Loop Demo" and exits when key q is typed
Write a bash script to demonstrate until loop which displays "While Loop Demo" and exits when key q is typed
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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4) Write a bash script to demonstrate until loop which displays "While Loop Demo" and exits when key q is typed.
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commands not found
![[yyznana@toronto7670
~]$ untill false;
bash: untill: command not found...
[yyznana@toronto7670 ~]$ until false;
> do
> printf "WHILE LOOP DEMO"
> read -t 0.25 -N 1 input
> if [[$input ="q"]] || [[$input ="Q" ]];
> then
> echo
> break
> fi
> done
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['](https://content.bartleby.com/qna-images/question/7ecedc5d-b2c1-4f69-b362-47b7aca8dbea/9d380cef-4709-4605-bb1a-d3646e7bf5e4/cntbhn9_thumbnail.png)
Transcribed Image Text:[yyznana@toronto7670
~]$ untill false;
bash: untill: command not found...
[yyznana@toronto7670 ~]$ until false;
> do
> printf "WHILE LOOP DEMO"
> read -t 0.25 -N 1 input
> if [[$input ="q"]] || [[$input ="Q" ]];
> then
> echo
> break
> fi
> done
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['
WHILE LOOP DEMObash: [[: command not found...
Similar command is: '['
bash: [[ command not found...
Similar command is: '['
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