Character Lowercase to Uppercase in Shell Scripting

Question

I have value as: james,adam,john I am trying to make it James,Adam,John(First character of each name should be Uppercase)

According to

Answer 1

You can use sed:

$ echo 'james,adam,john' | sed 's/\<./\u&/g'
James,Adam,John

• pattern \<. will match first char of every word
• use \u& to make it uppercase.