The script starts with the usual Python prologue. The
first line makes the script self-executing. This is
followed by minimal comments pointing to the online form
of the literate programming document, and the Cleanroom
intended function for the program as a whole.
litsource
#!/usr/bin/env python
#================================================================
# litsource: Extract code from literate-programming source files.
# For documentation, see:
# http://www.nmt.edu/tcc/help/lang/python/examples/litsource/
#----------------------------------------------------------------
# Overall intended function:
# [ output files named in input files given on the command line
# := code fragments designated for those files
# sys.stderr +:= error messages if any ]
#----------------------------------------------------------------
