operate as a filter when no files or directories appear on the command line
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@ -2,7 +2,7 @@
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# Released to the public domain, by Tim Peters, 03 October 2000.
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"""reindent [-d][-r][-v] path ...
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"""reindent [-d][-r][-v] [ path ... ]
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-d Dry run. Analyze, but don't make any changes to, files.
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-r Recurse. Search for all .py files in subdirectories too.
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@ -12,14 +12,20 @@ Change Python (.py) files to use 4-space indents and no hard tab characters.
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Also trim excess spaces and tabs from ends of lines, and remove empty lines
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at the end of files. Also ensure the last line ends with a newline.
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Pass one or more file and/or directory paths. When a directory path, all
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.py files within the directory will be examined, and, if the -r option is
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given, likewise recursively for subdirectories.
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If no paths are given on the command line, reindent operates as a filter,
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reading a single source file from standard input and writing the transformed
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source to standard output. In this case, the -d, -r and -v flags are
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ignored.
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Overwrites files in place, renaming the originals with a .bak extension.
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If reindent finds nothing to change, the file is left alone. If reindent
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does change a file, the changed file is a fixed-point for reindent (i.e.,
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running reindent on the resulting .py file won't change it again).
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You can pass one or more file and/or directory paths. When a directory
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path, all .py files within the directory will be examined, and, if the -r
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option is given, likewise recursively for subdirectories.
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If output is not to standard output, reindent overwrites files in place,
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renaming the originals with a .bak extension. If it finds nothing to
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change, the file is left alone. If reindent does change a file, the changed
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file is a fixed-point for future runs (i.e., running reindent on the
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resulting .py file won't change it again).
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The hard part of reindenting is figuring out what to do with comment
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lines. So long as the input files get a clean bill of health from
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@ -59,7 +65,9 @@ def main():
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elif o == '-v':
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verbose += 1
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if not args:
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errprint("Usage:", __doc__)
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r = Reindenter(sys.stdin)
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r.run()
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r.write(sys.stdout)
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return
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for arg in args:
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check(arg)
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