joskid · February 3, 2021 20:15
diff --git a/example.md b/example.md
diff --git a/extract_emails_from_text.py b/extract_emails_from_text.py
 #!/usr/bin/env python
 #
 # Extracts email addresses from one or more plain text files.
 #
 # Notes:
 # - Does not save to file (pipe the output to a file if you want it saved).
 # - Does not check for duplicates (which can easily be done in the terminal).
 #
 # (c) 2013  Dennis Ideler <[email protected]>

 from optparse import OptionParser
 import os.path
 import re

 regex = re.compile(("([a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`"
                    "{|}~-]+)*(@|\sat\s)(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?(\.|"
                    "\sdot\s))+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)"))

 def file_to_str(filename):
    """Returns the contents of filename as a string."""
    with open(filename) as f:
        return f.read().lower() # Case is lowered to prevent regex mismatches.

 def get_emails(s):
    """Returns an iterator of matched emails found in string s."""
    # Removing lines that start with '//' because the regular expression
    # mistakenly matches patterns like 'http://[email protected]' as '//[email protected]'.
    return (email[0] for email in re.findall(regex, s) if not email[0].startswith('//'))

 if __name__ == '__main__':
    parser = OptionParser(usage="Usage: python %prog [FILE]...")
    # No options added yet. Add them here if you ever need them.
    options, args = parser.parse_args()

    if not args:
        parser.print_usage()
        exit(1)

    for arg in args:
        if os.path.isfile(arg):
            for email in get_emails(file_to_str(arg)):
                print(email)
        else:
            print('"{}" is not a file.'.format(arg))
            parser.print_usage()
	#!/usr/bin/env python
	#
	# Extracts email addresses from one or more plain text files.
	#
	# Notes:
	# - Does not save to file (pipe the output to a file if you want it saved).
	# - Does not check for duplicates (which can easily be done in the terminal).
	#
	# (c) 2013 Dennis Ideler <[email protected]>

	from optparse import OptionParser
	import os.path
	import re

	regex = re.compile(("([a-z0-9!#$%&'+\/=?^_`{\|}~-]+(?:\.[a-z0-9!#$%&'+\/=?^_`"
	"{\|}~-]+)(@\|\sat\s)(?:[a-z0-9](?:[a-z0-9-][a-z0-9])?(\.\|"
	"\sdot\s))+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)"))

	def file_to_str(filename):
	"""Returns the contents of filename as a string."""
	with open(filename) as f:
	return f.read().lower() # Case is lowered to prevent regex mismatches.

	def get_emails(s):
	"""Returns an iterator of matched emails found in string s."""
	# Removing lines that start with '//' because the regular expression
	# mistakenly matches patterns like 'http://[email protected]' as '//[email protected]'.
	return (email[0] for email in re.findall(regex, s) if not email[0].startswith('//'))

	if __name__ == '__main__':
	parser = OptionParser(usage="Usage: python %prog [FILE]...")
	# No options added yet. Add them here if you ever need them.
	options, args = parser.parse_args()

	if not args:
	parser.print_usage()
	exit(1)

	for arg in args:
	if os.path.isfile(arg):
	for email in get_emails(file_to_str(arg)):
	print(email)
	else:
	print('"{}" is not a file.'.format(arg))
	parser.print_usage()