[issue30079] Explain why it is recommended to pass args as a string rather than as a sequence If shell is True

[R. David Murray]

R. David Murray added the comment:

Note the subtlety here on unix:

rdmurray at pydev:~/python/p36[3.6]>cat temp.sh
#!/bin/bash
echo $0
echo $1

>>> subprocess.call(['./temp.sh', 'spam', 'eggs'], shell=True)
./temp.sh


0
>>> subprocess.call(['./temp.sh $0 $1', 'spam', 'eggs'], shell=True)
./temp.sh
spam
eggs
0

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<http://bugs.python.org/issue30079>
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