PipeOpRenameColumns - allow for more complex renaming schemes#962

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pipeop_renamecolumns_complexnames

Commits on Oct 10, 2025

implemented renaming function (check function and if/else structure depending on whether a named list is provided or a function)
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added example at the end of the file for monday
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Commits on Oct 20, 2025

reworked PipeOpRenameColumns using get_state()
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Commits on Oct 21, 2025

updated documentation for PipeOpRenameColumns
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Commits on Oct 22, 2025

Commits on Oct 27, 2025

removed example under code
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Commits on Oct 29, 2025

get_values for pv
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Commits on Nov 2, 2025

changes in doc
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