for ((i=0; i<3 && i!=1; i++))

[l_j_f]

1. bash version
-sh-4.3# bash --version
GNU bash, version 4.3.0(1)-release (arm-hisiv200-linux-gnu)
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

2. the script
#!/bin/bash

main() {
        local idx
        local current=1

        for ((idx=0; idx<3 && idx != current; idx++)); do
                echo $idx
        done
}

main "$@"

3. the result
-sh-4.3# ./test1.sh 
0
# I think it should be 
0
2





l_j_f