Need help matching a mattern using grep/egrep in bash scripting

Question

I am trying to match all characters of given string but those characters should match in the order as given to the bash script.

while [[ $# -gt 0 ]]; do
  case $         


        

Answer 1

You may use getopts with some bash parameter substitution to construct the query string.

#!/bin/bash
while getopts 'i:' choice
do
  case "${choice}" in
    i)
     length=${#OPTARG}
     for((count=0;count

_{Refer this to know more on parameter substitution and this for getopts.}