Parse Command Line Arguments

Node.js:

Variable: process.argv

$ node argv.js 1 2 3 
[ '/path/to/node', '/path/to/argv.js', '1', '2', '3' ]

Also: parseArgs from node:util

Python

Variable: sys.argv (must import sys module)

$ python argv.py 1 2 3
['argv.py', '1', '2', '3']

Java

Variable: args (String[] datatype parameter in main() function)

$ java Main 1 2 3
Contents of String[] args: ["1", "2", "3"]

C/C++

Variable: argv (length is argc)

int main(int argc, char * argv[]) {}
// also: char **argv

node.js java