[Neil Schemenauer] > Having to quote arguments to popen and system is a pet peave of mine. > 99% of the time I don't not want or need the shell. Is it possible to > write versions of system() and popen() that do not use the shell on > Windows? I know it's possible on Unix systems. It would be really nice > if both popen() and system() could take a sequence for the command and > arguments in addition to a string. Those would be quite different functions, then, unless you proposed to have Python interpret native shell metacharacters on its own too (e.g., set up pipes, do the indicated file redirections, interpolate envars, and fake whatever other shell gimmicks people may use). The spawn family of functions take a list of arguments and are sometimes more convenient. IIRC, though, on Windows the MS spawn implementation pastes them back into a cmdline, and then you get some *really* bizarre quoting problems. I always thought Tcl's "exec" cmd was worthy of stealing. That defines a sh-like syntax for specifying OS commands, but arranges to interpret them the same way on all platforms (so, e.g, "2>&1" redirects stderr to stdout even on Win95; last I looked, there were thousands of lines in the Tcl implementation devoted to making this command work).
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