Get shell length of the string

 

awk way

bogon:conf macname$ echo "abcde" | awk '{print length($0)}'
5

 

Using $ {# str} to get the length of the string

bogon:conf macname$ a="abcdef"
bogon:conf macname$ echo ${#a}
6

 

wc way (note containing a newline)

bogon:conf macname$ echo "abcde" | wc -c
       6

 

 

reference:

https://www.jb51.net/article/121290.htm