Modifying individual text fields in Bash Script

In this tutorial, How do I modifying individual text fields in bash script? Bash Script the essential for DevOps Roles. I run the script on a Linux server.

  • Input: string is “HHHHHHHH
  • Output: AHHHHHHH, BHHHHHHH, CHHHHHHH, DHHHHHHH, XHHHHHHH, ZHHHHHHH

Modifying individual text fields in Bash Script

#!/bin/bash
STRING="HHHHHHHH"
COUNT=1
echo "Input: $STRING"
while [ "$COUNT" -le "${#STRING}" ]; do
   for i in A B C D X Y Z
   do
       printf '%s%s%s\n' "${STRING:0:COUNT-1}" "$i" "${STRING:COUNT}"
   done
   COUNT=$(( COUNT + 1 ))
   break
done

The screen output terminal as below

[vagrant@app1 ~]$ ./bashscript.sh
Input: HHHHHHHH
AHHHHHHH
BHHHHHHH
CHHHHHHH
DHHHHHHH
XHHHHHHH
YHHHHHHH
ZHHHHHHH
Modifying individual text fields in Bash Script

For example, You delete break line in the loop while 🙂 

Modifying individual text fields in Bash Script

The result, delete break line in the loop while as below

Modifying individual text fields in Bash Script

Conclusion

Through the article, You can “Modifying individual text fields in Bash Script as above. I hope will this your helpful.

About HuuPV

My name is Huu. I love technology and especially Devops Skill such as Docker, vagrant, git so forth. I likes open-sources. so I created DevopsRoles.com site to share the knowledge that I have learned. My Job: IT system administrator. Hobbies: summoners war game, gossip.
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