cpython/Demo/scripts/from.py

36 lines
821 B
Python
Raw Normal View History

1991-06-04 17:36:54 -03:00
#! /usr/local/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
1991-06-04 17:36:54 -03:00
# Open mailbox file. Exits with exception when this fails.
1991-12-18 09:38:42 -04:00
try:
mailbox = os.environ['MAIL']
except (AttributeError, KeyError):
sys.stderr.write('No environment variable $MAIL\n')
1991-12-18 09:38:42 -04:00
sys.exit(2)
try:
mail = open(mailbox, 'r')
1992-05-19 10:48:31 -03:00
except IOError:
1991-12-18 09:38:42 -04:00
sys.stderr.write('Cannot open mailbox file: ' + mailbox + '\n')
sys.exit(2)
1991-06-04 17:36:54 -03:00
while 1:
line = mail.readline()
if not line: break # EOF
1992-01-01 15:35:13 -04:00
if line[:5] == 'From ':
1991-06-04 17:36:54 -03:00
# Start of message found
print line[:-1],
while 1:
line = mail.readline()
if not line: break # EOF
1992-01-01 15:35:13 -04:00
if line == '\n': break # Blank line ends headers
if line[:8] == 'Subject:':
1991-06-04 17:36:54 -03:00
print `line[9:-1]`,
print