It supports different formats of passing arguments—for example, the difference between -n=100000 and -n 100000 ... Both of these libraries are worth checking out if you intend to do any Python shell ...

This works best when the program in question is an interpreter like Python. #!/bin/bash echo Welcome to our shell script python <<__EOF_PYTHON_SCRIPT print 'Howdy from Python!' __EOF_PYTHON_SCRIPT ...