How to Count String Length using Shell

Bash Variable: The POSIX Way

$ MYSTRING="Speed of Light"
$ echo ${#MYSTRING}
14

Using wc

$ echo -n "Speed of Light"
14

Using expr

This is not POSIX complaint.

$ expr length "Speed of Light"
14

References

• cyberciti.biz/tips/howto-bash-ksh-find-return-length-of-string.html
• unix.com/unix-dummies-questions-answers/28325-how-count-string-length.html

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