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