String Character Length

From Rosetta Code
Revision as of 20:12, 19 January 2007 by 70.83.136.146 (talk)
Task
String Character Length
You are encouraged to solve this task according to the task description, using any language you may know.

In this task, the goal is to find the length of a string.

mIRC

Compiler: mIRC

alias stringlength { echo -a Your Name is: $len($$?="Whats your name") letters long! }

Python

Interpreter: Python 2.4

length = len("This string length will be determined")

Perl

 my $length = length "Hello, world!";

Unix Shell

With external utilities:

 string='Hello, world!'
 length="$(echo -n "$string" | wc -c | tr -dc '0-9')"

With SUSv3 parameter expansion modifier (works in ash/ksh/zsh/bash):

 string='Hello, world!'
 length="${#string}"

C

 #include <string.h>
 int main() {
         const char *string = "Hello, world!";
         size_t length = strlen(string);
          
         return 0;
 };