[issue2200] find_executable fails to find .bat files on win32

[Martin v. Löwis]

Martin v. Löwis <martin at v.loewis.de> added the comment:

I think the patch is incorrect. Parsing PATHEXT means that it will believe that all extensions listed on PATHEXT are executable. However, os.spawnv is not able to run them all, but only a subset. IIUC, spawnv supports (from spawnve.c)

static _TSCHAR *ext_strings[] = { _T(".cmd"), _T(".bat"), _T(".exe"), _T(".com") };

PATHEXT typically includes also .js and other extensions which cannot be run through spawnv.

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