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.

Answer 2

There are endless possibilities, but look up tr and shell string substitution (if your shell supports it). Then there's GNU sed, awk, perl and many other languages ...

Answer 3

Using bash:

A="james adam john"
B=( $A )
echo "${B[@]^}"

Output is:

James Adam John