Java execute a command with a space in the pathname

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By far the most reliable way is to use Runtime.exec(String[] cmdarray).

If you use Runtime.exec(String command), Java only splits the command on whitespace.

the command string is broken into tokens using a StringTokenizer created by the call new StringTokenizer(command) with no further modification of the character categories. The tokens produced by the tokenizer are then placed in the new string array cmdarray, in the same order.

See also g++: File not found

Or use ProcessBuilder something like this:

ProcessBuilder pb = new ProcessBuilder("ln", "-s", "dir1/dir2", "my dir/dir2");
Process p = pb.start();

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