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

Change this:

arg=$2
egrep "*[$arg]*" words.txt

to this:

arg=$(sed 's/./.*[&]/g' <<< "$2")
grep "$arg" words.txt

If that's not all you need then edit your question to clarify your requirements and provide more truly representative sample input/output.