why does this simple script give such a weird output?





.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0;
}







2















I've just started learning how to use arrays so sorry if the answer is somehow obvious. I made a simple program which i thought would just count normally. The output of this program ended up being not only backwards at first but very strange. the program is:



#!/bin/bash
num=1
declare -A A1
while true
do

A1[$(($num + 1))]=$num
num=$(( $num + 1 ))
e=0
for e in ${A1[@]}
do
echo $e
done
echo "e is $e"
echo "num is $num"
sleep 0.1
done


but it's output was started doing some really weird stuff after 8 as shown here:



1
e is 1
num is 2
2
1
e is 1
num is 3
3
2
1
e is 1
num is 4
4
3
2
1
e is 1
num is 5
5
4
3
2
1
e is 1
num is 6
6
5
4
3
2
1
e is 1
num is 7
7
6
5
4
3
2
1
e is 1
num is 8
8
7
6
5
4
3
2
1
e is 1
num is 9
8
7
6
5
4
3
2
1
9
e is 9
num is 10
8
7
6
5
4
3
2
1
9
10
e is 10
num is 11
8
7
6
5
4
3
2
1
11
9
10
e is 10
num is 12
8
7
6
5
4
3
2
1
11
12
9
10
e is 10
num is 13
8
7
6
5
4
3
2
1
11
12
9
10
13
e is 13
num is 14
8
7
6
5
4
3
2
1
11
12
9
10
13
14
e is 14
num is 15
8
7
6
5
4
3
2
1
11
12
9
10
15
13
14
e is 14
num is 16
8
7
6
5
4
3
2
1
11
12
9
10
15
16
13
14
e is 14
num is 17
8
7
6
5
4
3
2
1
17
11
12
9
10
15
16
13
14
e is 14
num is 18
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
e is 14
num is 19
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
19
e is 19
num is 20
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
20
19
e is 19
num is 21
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
21
20
19
e is 19
num is 22
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
22
21
20
19
e is 19
num is 23
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
23
22
21
20
19
e is 19
num is 24
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
24
23
22
21
20
19
e is 19
num is 25
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
25
24
23
22
21
20
19
e is 19
num is 26
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
e is 19
num is 27
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
27
e is 27
num is 28
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
e is 27
num is 29
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
e is 29
num is 30
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
e is 30
num is 31
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
e is 31
num is 32
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
32
e is 32
num is 33
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
29
30
31
32
e is 32
num is 34
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
29
30
31
32
e is 32
num is 35
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
29
30
31
32
e is 32
num is 36
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
e is 32
num is 37
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
e is 37
num is 38
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 39
39
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 40
^C


can anybody explain this?










share|improve this question




















  • 2





    You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

    – Sergiy Kolodyazhnyy
    Mar 31 at 6:13


















2















I've just started learning how to use arrays so sorry if the answer is somehow obvious. I made a simple program which i thought would just count normally. The output of this program ended up being not only backwards at first but very strange. the program is:



#!/bin/bash
num=1
declare -A A1
while true
do

A1[$(($num + 1))]=$num
num=$(( $num + 1 ))
e=0
for e in ${A1[@]}
do
echo $e
done
echo "e is $e"
echo "num is $num"
sleep 0.1
done


but it's output was started doing some really weird stuff after 8 as shown here:



1
e is 1
num is 2
2
1
e is 1
num is 3
3
2
1
e is 1
num is 4
4
3
2
1
e is 1
num is 5
5
4
3
2
1
e is 1
num is 6
6
5
4
3
2
1
e is 1
num is 7
7
6
5
4
3
2
1
e is 1
num is 8
8
7
6
5
4
3
2
1
e is 1
num is 9
8
7
6
5
4
3
2
1
9
e is 9
num is 10
8
7
6
5
4
3
2
1
9
10
e is 10
num is 11
8
7
6
5
4
3
2
1
11
9
10
e is 10
num is 12
8
7
6
5
4
3
2
1
11
12
9
10
e is 10
num is 13
8
7
6
5
4
3
2
1
11
12
9
10
13
e is 13
num is 14
8
7
6
5
4
3
2
1
11
12
9
10
13
14
e is 14
num is 15
8
7
6
5
4
3
2
1
11
12
9
10
15
13
14
e is 14
num is 16
8
7
6
5
4
3
2
1
11
12
9
10
15
16
13
14
e is 14
num is 17
8
7
6
5
4
3
2
1
17
11
12
9
10
15
16
13
14
e is 14
num is 18
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
e is 14
num is 19
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
19
e is 19
num is 20
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
20
19
e is 19
num is 21
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
21
20
19
e is 19
num is 22
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
22
21
20
19
e is 19
num is 23
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
23
22
21
20
19
e is 19
num is 24
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
24
23
22
21
20
19
e is 19
num is 25
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
25
24
23
22
21
20
19
e is 19
num is 26
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
e is 19
num is 27
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
27
e is 27
num is 28
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
e is 27
num is 29
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
e is 29
num is 30
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
e is 30
num is 31
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
e is 31
num is 32
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
32
e is 32
num is 33
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
29
30
31
32
e is 32
num is 34
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
29
30
31
32
e is 32
num is 35
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
29
30
31
32
e is 32
num is 36
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
e is 32
num is 37
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
e is 37
num is 38
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 39
39
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 40
^C


can anybody explain this?










share|improve this question




















  • 2





    You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

    – Sergiy Kolodyazhnyy
    Mar 31 at 6:13














2












2








2








I've just started learning how to use arrays so sorry if the answer is somehow obvious. I made a simple program which i thought would just count normally. The output of this program ended up being not only backwards at first but very strange. the program is:



#!/bin/bash
num=1
declare -A A1
while true
do

A1[$(($num + 1))]=$num
num=$(( $num + 1 ))
e=0
for e in ${A1[@]}
do
echo $e
done
echo "e is $e"
echo "num is $num"
sleep 0.1
done


but it's output was started doing some really weird stuff after 8 as shown here:



1
e is 1
num is 2
2
1
e is 1
num is 3
3
2
1
e is 1
num is 4
4
3
2
1
e is 1
num is 5
5
4
3
2
1
e is 1
num is 6
6
5
4
3
2
1
e is 1
num is 7
7
6
5
4
3
2
1
e is 1
num is 8
8
7
6
5
4
3
2
1
e is 1
num is 9
8
7
6
5
4
3
2
1
9
e is 9
num is 10
8
7
6
5
4
3
2
1
9
10
e is 10
num is 11
8
7
6
5
4
3
2
1
11
9
10
e is 10
num is 12
8
7
6
5
4
3
2
1
11
12
9
10
e is 10
num is 13
8
7
6
5
4
3
2
1
11
12
9
10
13
e is 13
num is 14
8
7
6
5
4
3
2
1
11
12
9
10
13
14
e is 14
num is 15
8
7
6
5
4
3
2
1
11
12
9
10
15
13
14
e is 14
num is 16
8
7
6
5
4
3
2
1
11
12
9
10
15
16
13
14
e is 14
num is 17
8
7
6
5
4
3
2
1
17
11
12
9
10
15
16
13
14
e is 14
num is 18
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
e is 14
num is 19
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
19
e is 19
num is 20
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
20
19
e is 19
num is 21
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
21
20
19
e is 19
num is 22
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
22
21
20
19
e is 19
num is 23
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
23
22
21
20
19
e is 19
num is 24
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
24
23
22
21
20
19
e is 19
num is 25
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
25
24
23
22
21
20
19
e is 19
num is 26
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
e is 19
num is 27
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
27
e is 27
num is 28
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
e is 27
num is 29
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
e is 29
num is 30
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
e is 30
num is 31
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
e is 31
num is 32
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
32
e is 32
num is 33
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
29
30
31
32
e is 32
num is 34
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
29
30
31
32
e is 32
num is 35
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
29
30
31
32
e is 32
num is 36
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
e is 32
num is 37
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
e is 37
num is 38
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 39
39
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 40
^C


can anybody explain this?










share|improve this question
















I've just started learning how to use arrays so sorry if the answer is somehow obvious. I made a simple program which i thought would just count normally. The output of this program ended up being not only backwards at first but very strange. the program is:



#!/bin/bash
num=1
declare -A A1
while true
do

A1[$(($num + 1))]=$num
num=$(( $num + 1 ))
e=0
for e in ${A1[@]}
do
echo $e
done
echo "e is $e"
echo "num is $num"
sleep 0.1
done


but it's output was started doing some really weird stuff after 8 as shown here:



1
e is 1
num is 2
2
1
e is 1
num is 3
3
2
1
e is 1
num is 4
4
3
2
1
e is 1
num is 5
5
4
3
2
1
e is 1
num is 6
6
5
4
3
2
1
e is 1
num is 7
7
6
5
4
3
2
1
e is 1
num is 8
8
7
6
5
4
3
2
1
e is 1
num is 9
8
7
6
5
4
3
2
1
9
e is 9
num is 10
8
7
6
5
4
3
2
1
9
10
e is 10
num is 11
8
7
6
5
4
3
2
1
11
9
10
e is 10
num is 12
8
7
6
5
4
3
2
1
11
12
9
10
e is 10
num is 13
8
7
6
5
4
3
2
1
11
12
9
10
13
e is 13
num is 14
8
7
6
5
4
3
2
1
11
12
9
10
13
14
e is 14
num is 15
8
7
6
5
4
3
2
1
11
12
9
10
15
13
14
e is 14
num is 16
8
7
6
5
4
3
2
1
11
12
9
10
15
16
13
14
e is 14
num is 17
8
7
6
5
4
3
2
1
17
11
12
9
10
15
16
13
14
e is 14
num is 18
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
e is 14
num is 19
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
19
e is 19
num is 20
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
20
19
e is 19
num is 21
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
21
20
19
e is 19
num is 22
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
22
21
20
19
e is 19
num is 23
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
23
22
21
20
19
e is 19
num is 24
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
24
23
22
21
20
19
e is 19
num is 25
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
25
24
23
22
21
20
19
e is 19
num is 26
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
e is 19
num is 27
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
27
e is 27
num is 28
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
e is 27
num is 29
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
e is 29
num is 30
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
e is 30
num is 31
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
e is 31
num is 32
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
29
30
31
32
e is 32
num is 33
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
29
30
31
32
e is 32
num is 34
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
29
30
31
32
e is 32
num is 35
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
29
30
31
32
e is 32
num is 36
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
e is 32
num is 37
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
e is 37
num is 38
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 39
39
8
7
6
5
4
3
2
1
17
18
11
12
9
10
15
16
13
14
26
25
24
23
22
21
20
19
28
27
33
34
35
36
29
30
31
32
37
38
e is 38
num is 40
^C


can anybody explain this?







command-line bash scripts






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 31 at 6:08







TheRedStormer

















asked Mar 31 at 5:55









TheRedStormerTheRedStormer

165




165








  • 2





    You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

    – Sergiy Kolodyazhnyy
    Mar 31 at 6:13














  • 2





    You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

    – Sergiy Kolodyazhnyy
    Mar 31 at 6:13








2




2





You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

– Sergiy Kolodyazhnyy
Mar 31 at 6:13





You're iterating on associative array keys. Associative arrays aren't necessarily sorted.

– Sergiy Kolodyazhnyy
Mar 31 at 6:13










1 Answer
1






active

oldest

votes


















1














You have declared associative array, that's why output is not ordered. Change declare -A A1 to declare -a A1 to declare indexed array.



Like follows:



#!/bin/bash
num=1
declare -a A1
while true
do

A1[$(($num + 1))]=$num
num=$(( $num + 1 ))
e=0
for e in ${A1[@]}
do
echo $e
done
echo "e is $e"
echo "num is $num"
sleep 0.1
done


Also, your array index is not zero based. First element is A1[2]. To fix it change first line inside loop to A1[$(($num - 1))]=$num






share|improve this answer
























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    1 Answer
    1






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    active

    oldest

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    active

    oldest

    votes









    1














    You have declared associative array, that's why output is not ordered. Change declare -A A1 to declare -a A1 to declare indexed array.



    Like follows:



    #!/bin/bash
    num=1
    declare -a A1
    while true
    do

    A1[$(($num + 1))]=$num
    num=$(( $num + 1 ))
    e=0
    for e in ${A1[@]}
    do
    echo $e
    done
    echo "e is $e"
    echo "num is $num"
    sleep 0.1
    done


    Also, your array index is not zero based. First element is A1[2]. To fix it change first line inside loop to A1[$(($num - 1))]=$num






    share|improve this answer




























      1














      You have declared associative array, that's why output is not ordered. Change declare -A A1 to declare -a A1 to declare indexed array.



      Like follows:



      #!/bin/bash
      num=1
      declare -a A1
      while true
      do

      A1[$(($num + 1))]=$num
      num=$(( $num + 1 ))
      e=0
      for e in ${A1[@]}
      do
      echo $e
      done
      echo "e is $e"
      echo "num is $num"
      sleep 0.1
      done


      Also, your array index is not zero based. First element is A1[2]. To fix it change first line inside loop to A1[$(($num - 1))]=$num






      share|improve this answer


























        1












        1








        1







        You have declared associative array, that's why output is not ordered. Change declare -A A1 to declare -a A1 to declare indexed array.



        Like follows:



        #!/bin/bash
        num=1
        declare -a A1
        while true
        do

        A1[$(($num + 1))]=$num
        num=$(( $num + 1 ))
        e=0
        for e in ${A1[@]}
        do
        echo $e
        done
        echo "e is $e"
        echo "num is $num"
        sleep 0.1
        done


        Also, your array index is not zero based. First element is A1[2]. To fix it change first line inside loop to A1[$(($num - 1))]=$num






        share|improve this answer













        You have declared associative array, that's why output is not ordered. Change declare -A A1 to declare -a A1 to declare indexed array.



        Like follows:



        #!/bin/bash
        num=1
        declare -a A1
        while true
        do

        A1[$(($num + 1))]=$num
        num=$(( $num + 1 ))
        e=0
        for e in ${A1[@]}
        do
        echo $e
        done
        echo "e is $e"
        echo "num is $num"
        sleep 0.1
        done


        Also, your array index is not zero based. First element is A1[2]. To fix it change first line inside loop to A1[$(($num - 1))]=$num







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 31 at 8:10









        LeonidMewLeonidMew

        961623




        961623






























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