Ability to set CWD

README.md

@@ -51,6 +51,15 @@ This will execute the commands `echo 1` `echo 2` and `echo 3` simultaneously.
 Note that on Windows, you need to use double-quotes to avoid confusing the
 argument parser.
 
+#### Setting The Current Working Directory (CWD)
+
+To run a command in a specified directory, pass a JSON array with the first element as the CWD and the second element as the command:
+
+```bash
+parallelshell '["/some/folder","some command"]'
+```
+**Note**: Due to how JSON.parse works, string input in the arrays need to be in double quotes.
+
 Available options:
 ```
 -h, --help         output usage information

index.js

@@ -98,11 +98,20 @@ if (process.platform === 'win32') {
 // start the children
 children = [];
 cmds.forEach(function (cmd) {
+    var cwd = undefined;
+    try {
+        var cmd_tmp = JSON.parse(cmd);
+	if (cmd_tmp.length === 2) {
+        	cwd = cmd_tmp[0];
+        	cmd = cmd_tmp[1];
+	}
+    } catch(SyntaxError) {}; // Squash this error
+
     if (process.platform != 'win32') {
       cmd = "exec "+cmd;
     }
     var child = spawn(sh,[shFlag,cmd], {
-        cwd: process.cwd,
+        cwd: (cwd === undefined) ? process.cwd : cwd,
         env: process.env,
         stdio: ['pipe', process.stdout, process.stderr]
     })