#!/usr/bin/env python3

# This is free and unencumbered software released into the public

# domain.

# Anyone is free to copy, modify, publish, use, compile, sell, or

# distribute this software, either in source code form or as a

# compiled binary, for any purpose, commercial or non-commercial, and

# by any means.

# In jurisdictions that recognize copyright laws, the author or

# authors of this software dedicate any and all copyright interest in

# the software to the public domain. We make this dedication for the

# benefit of the public at large and to the detriment of our heirs

# and successors. We intend this dedication to be an overt act of

# relinquishment in perpetuity of all present and future rights to

# this software under copyright law.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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"""Strip trailing whitespace from markdown files."""

import common

def fix(line):

return line.rstrip().expandtabs(4)

def needs_stripping(file):

with common.slashfix_open(file, 'r') as f:

for line in f:

line = line.rstrip('\n')

if line != fix(line):

return True

return False

def strip(file):

real_file = common.slashfix(file)

lines = []

with open(real_file, 'r') as f:

for line in f:

lines.append(fix(line.rstrip('\n')))

with common.backup(real_file):

with open(real_file, 'w') as f:

for line in lines:

print(line, file=f)

def main():

for file in common.get_markdown_files():

if needs_stripping(file):

print("Stripping", file, "...")

strip(file)

else:

print("No trailing whitespace or tabs in", file)

if __name__ == '__main__':

main()