Searching inside files in a script

[Khan Smith]

   Sent: Tuesday, October 12, 2021 at 7:55 PM
   From: "Dennis Williamson" <dennistwilliamson@gmail.com>
   To: "Khan Smith" <khansmith@mail.com>
   Cc: "Alex fxmbsw7 Ratchev" <fxmbsw7@gmail.com>, "help-bash"
   <help-bash@gnu.org>
   Subject: Re: Searching inside files in a script
   On Tue, Oct 12, 2021, 2:42 PM Khan Smith <khansmith@mail.com> wrote:
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   > [1]https://mywiki.wooledge.org/BashFAQ/032
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   > That is too complicated for me. I have
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   > grep -r "${isufx[@]}" -e "$ptrn" -- "${fdir[@]}"
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   > tim=${EPOCHREALTIME//[![:digit:]]/.}
   What version of Bash are you using?


   The distribution was showing bash, version 4.4.20.  Thusly I installed
   bash version 5.1.8.

References

   1. https://mywiki.wooledge.org/BashFAQ/032