Changing the case of a string with awk

Question

I\'m an awk newbie, so please bear with me.

The goal is to change the case of a string such that the first letter of every word is uppercase and the remaining letters ar

Answer 1

You have to add another \ character before \B

 echo 'ABCD EFGH IJKL MNOP' | awk '{for (i=1;i <= NF;i++)
 {sub("\\B[A-Za-z]+",substr(tolower($i),2),$i)} print}'

With just \B awk gave me this warning:

awk: cmd. line:1: warning: escape sequence \B' treated as plainB'