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print help when no parameter is given

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This commit is contained in:
Karl Voit 2018-11-18 22:55:51 +01:00
parent b97539e0a9
commit 385ba28608
1 changed files with 6 additions and 1 deletions
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7
appendfilename/__init__.py
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@ -1,6 +1,6 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
PROG_VERSION = u"Time-stamp: <2018-02-03 18:00:59 vk>"
PROG_VERSION = u"Time-stamp: <2018-11-18 22:55:19 vk>"
# TODO:
# * fix parts marked with «FIXXME»
@ -321,6 +321,11 @@ def main():
error_exit(1, "Options \"--verbose\" and \"--quiet\" found. " +
"This does not make any sense, you silly fool :-)")
if len(sys.argv) < 2:
# not a single command line parameter is given -> print help instead of asking for a string
parser.print_help()
sys.exit(0)
text = options.text
if not text: