ForNext
Only Do What Only You Can Do
143. backticks
Hyperpolyglot Interpreted Languages: Tcl, Lua, JavaScript, Io より (2012.05.08)
JavaScript
var exec = require('child_process').exec; var f = function(err, fout, ferr) { output in fout }; var child = exec('ls', f);
Lua
f = io.popen("ls") s = f:read("*a")
Io
(System runCommand("ls")) stdout