Saturday, April 1, 2017

Shell Scripting Tutorial for Beginners 18 - UNTIL loop



#!/bin/bash
# until loops
n=1

# first way
echo "----until loops------first way-------------------"
until [ $n -gt 10 ]
do
    echo "$n"
    (( n++ ))
done


# second way
n=1
echo "----until loops------second way-------------------"
until (( $n > 10 ))  
do
    echo "$n"
    (( ++n ))
done

# third way
n=1
echo "----until loops------third way-------------------"
until [ $n -gt 10 ]
do
    echo "$n"
    n=$(( n+1 ))
done
output


test@test:~/Desktop$ ./hello.sh 
----until loops------first way-------------------
1
2
3
4
5
6
7
8
9
10
----until loops------second way-------------------
1
2
3
4
5
6
7
8
9
10
----until loops------third way-------------------
1
2
3
4
5
6
7
8
9
10
test@test:~/Desktop$ 
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