cardinal_pythonlib.tools.merge_csv¶
Original code copyright (C) 2009-2022 Rudolf Cardinal (rudolf@pobox.com).
This file is part of cardinal_pythonlib.
Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Command-line tool to merge multiple comma-separated value (CSV) or tab-separated value (TSV) files, as long as they don’t have incompatible headers.
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cardinal_pythonlib.tools.merge_csv.merge_csv(filenames: List[str], outfile: TextIO = <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'>, input_dialect: str = 'excel', output_dialect: str = 'excel', debug: bool = False, headers: bool = True) → None[source]¶ Amalgamate multiple CSV/TSV/similar files into one.
Parameters: - filenames – list of filenames to process
- outfile – file-like object to write output to
- input_dialect – dialect of input files, as passed to
csv.reader - output_dialect – dialect to write, as passed to
csv.writer - debug – be verbose?
- headers – do the files have header lines?