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operate as a filter when no files or directories appear on the command line

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Skip Montanaro 2002-03-26 11:39:26 +00:00
parent 85ee491b3a
commit 9a29e7aba3
1 changed files with 17 additions and 9 deletions
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26
Tools/scripts/reindent.py
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@ -2,7 +2,7 @@
# Released to the public domain, by Tim Peters, 03 October 2000. # Released to the public domain, by Tim Peters, 03 October 2000.
"""reindent [-d][-r][-v] path ... """reindent [-d][-r][-v] [ path ... ]
-d Dry run. Analyze, but don't make any changes to, files. -d Dry run. Analyze, but don't make any changes to, files.
-r Recurse. Search for all .py files in subdirectories too. -r Recurse. Search for all .py files in subdirectories too.
@ -12,14 +12,20 @@
Also trim excess spaces and tabs from ends of lines, and remove empty lines Also trim excess spaces and tabs from ends of lines, and remove empty lines
at the end of files. Also ensure the last line ends with a newline. at the end of files. Also ensure the last line ends with a newline.
Pass one or more file and/or directory paths. When a directory path, all If no paths are given on the command line, reindent operates as a filter,
.py files within the directory will be examined, and, if the -r option is reading a single source file from standard input and writing the transformed
given, likewise recursively for subdirectories. source to standard output. In this case, the -d, -r and -v flags are
ignored.
Overwrites files in place, renaming the originals with a .bak extension. You can pass one or more file and/or directory paths. When a directory
If reindent finds nothing to change, the file is left alone. If reindent path, all .py files within the directory will be examined, and, if the -r
does change a file, the changed file is a fixed-point for reindent (i.e., option is given, likewise recursively for subdirectories.
running reindent on the resulting .py file won't change it again).
If output is not to standard output, reindent overwrites files in place,
renaming the originals with a .bak extension. If it finds nothing to
change, the file is left alone. If reindent does change a file, the changed
file is a fixed-point for future runs (i.e., running reindent on the
resulting .py file won't change it again).
The hard part of reindenting is figuring out what to do with comment The hard part of reindenting is figuring out what to do with comment
lines. So long as the input files get a clean bill of health from lines. So long as the input files get a clean bill of health from
@ -59,7 +65,9 @@ def main():
elif o == '-v': elif o == '-v':
verbose += 1 verbose += 1
if not args: if not args:
errprint("Usage:", __doc__) r = Reindenter(sys.stdin)
r.run()
r.write(sys.stdout)
return return
for arg in args: for arg in args:
check(arg) check(arg)