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- #! /usr/local/bin/python
-
- # Print From and Subject of messages in $MAIL.
- # Extension to multiple mailboxes and other bells & whistles are left
- # as exercises for the reader.
-
- import sys, os
-
- # Open mailbox file. Exits with exception when this fails.
-
- try:
- mailbox = os.environ['MAIL']
- except (AttributeError, KeyError):
- sys.stderr.write('No environment variable $MAIL\n')
- sys.exit(2)
-
- try:
- mail = open(mailbox, 'r')
- except IOError:
- sys.stderr.write('Cannot open mailbox file: ' + mailbox + '\n')
- sys.exit(2)
-
- while 1:
- line = mail.readline()
- if not line: break # EOF
- if line[:5] == 'From ':
- # Start of message found
- print line[:-1],
- while 1:
- line = mail.readline()
- if not line: break # EOF
- if line == '\n': break # Blank line ends headers
- if line[:8] == 'Subject:':
- print `line[9:-1]`,
- print
-