/Demo/scripts/from.py
http://unladen-swallow.googlecode.com/ · Python · 35 lines · 23 code · 6 blank · 6 comment · 11 complexity · 7ac20134b5ce765688685106c4f501ab MD5 · raw file
- #! /usr/bin/env 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)
- except IOError:
- sys.exit('Cannot open mailbox file: ' + mailbox)
- while 1:
- line = mail.readline()
- if not line:
- break # EOF
- if line.startswith('From '):
- # Start of message found
- print line[:-1],
- while 1:
- line = mail.readline()
- if not line or line == '\n':
- break
- if line.startswith('Subject: '):
- print repr(line[9:-1]),
- print