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

ink it should be i=0 var= i=1 var=1 i=2 var= l_j_f

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

1.sh 0 # I think it should be 0 2 l_j_f

use local and $?

sh a=ok err=0 b=error err=0 #I think it should be "b=error err=1" l_j_f