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Provides the 'spawn()' function, a front-end to various platform-
specific functions for launching another program in a sub-process.
Also provides the 'find_executable()' to search the path for a given
executable name.
s1 $Id: spawn.py 37828 2004-11-10 22:23:15Z loewis $iN( t *( t logi i c C s t i d j o t | | d | n_ t i d j o t | | d | n8 t i d j o t | | d | n t d t i d S( s Run another program, specified as a command list 'cmd', in a new
process. 'cmd' is just the argument list for the new process, ie.
cmd[0] is the program to run and cmd[1:] are the rest of its arguments.
There is no way to run a program with a name different from that of its
executable.
If 'search_path' is true (the default), the system's executable
search path will be used to find the program; otherwise, cmd[0]
must be the exact path to the executable. If 'dry_run' is true,
the command will not actually be run.
Raise DistutilsExecError if running the program fails in any way; just
return on success.
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wraps every argument which contains blanks in double quotes, and
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d j o | d j o | d } n t i i | pC x; | D]3 } t i i | | } t i i | o | Sq Wd S| Sd S( s Try to find 'executable' in the directories listed in 'path' (a
string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']). Returns the complete filename or None if not
found.
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