#34 Directory might falsly be identified as program to launch

[Jan Gosmann]

pexpect.spawn will try to find the absolute path to the command with the 'which' function. In this function it is only checked that discovered files have the executable bit set. I think, it should also be checked whether it is an actual file (or a directory).

At the moment it is possible that a directory in the search path hides an executable with the same name resulting in an OSError exception ('permission denied').

[Thomas Kluyver]

This has been addressed on Github, so I'm closing this issue.

https://github.com/pexpect/pexpect/pull/62