Answered by : coding-derp

#!/bin/bash
x=1
while [ $x -le 5 ]
do echo "Welcome $x times" x=$(( $x + 1 ))
done

Source : https://www.cyberciti.biz/faq/bash-while-loop/ | Last Update : Wed, 24 Mar 21

Answered by : coding-derp

#!/bin/bash
counter=$1
factorial=1
while [ $counter -gt 0 ]
do factorial=$(( $factorial * $counter )) counter=$(( $counter - 1 ))
done
echo $factorial

Source : https://www.cyberciti.biz/faq/bash-while-loop/ | Last Update : Wed, 24 Mar 21

Answered by : coding-derp

while [ condition ]; do commands; done
while control-command; do COMMANDS; done

Source : https://www.cyberciti.biz/faq/bash-while-loop/ | Last Update : Wed, 24 Mar 21

Answered by : coding-derp

while [ condition ]
do command1 command2 command3
done

Source : https://www.cyberciti.biz/faq/bash-while-loop/ | Last Update : Wed, 24 Mar 21

Answered by : coding-derp

#!/bin/bash
FILE=$1
# read $FILE using the file descriptors
exec 3<&0
exec 0<$FILE
while read line
do	# use $line variable to process line	echo $line
done
exec 0<&3

Source : https://www.cyberciti.biz/faq/bash-while-loop/ | Last Update : Wed, 24 Mar 21