#!/usr/bin/env bash #input:[10023,2323,3434] #output:10023 2323 3434 list_to_string(){ ports_list=$* sub_s1=`echo $ports_list | sed 's/ //g'` sub_s2=${sub_s1//,/ } sub_s3=${sub_s2#*[} sub_s4=${sub_s3%]*} ports_array=$sub_s4 } remove_space(){ value=$* result=`echo $value | sed 's/ //g'` }