25 lines
583 B
Python
Executable file
25 lines
583 B
Python
Executable file
#!/usr/bin/env python3
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# retro-unu is a tool for extracting code from literate sources. It
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# will write output to stdout.
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#
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# A code block starts with ~~~ on a line by itself and ends with a
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# second ~~~.
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#
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# Copyright (c)2020, Charles Childers
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#
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# Usage:
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#
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# retro-unu.py filename
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import sys
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if __name__ == "__main__":
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f = sys.argv[1]
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in_block = False
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with open(f, "r") as source:
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for line in source.readlines():
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if line.rstrip() == "~~~":
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in_block = not in_block
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elif in_block:
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print(line.rstrip())
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