# ifc-commit - Source : [duplex.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/3fcd953998a6c076a7381bca0868ee79d20e41a4/ifc/duplex.ifc) - Extract: [duplex_extract.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/a5e31bf28bacf080f513a0e562a9cc9fc7040154/ifc/duplex_extract.ifc) - Modify: [duplex_modified.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/a5e31bf28bacf080f513a0e562a9cc9fc7040154/ifc/duplex_modified.ifc) - Merge: [duplex_merge.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/a5e31bf28bacf080f513a0e562a9cc9fc7040154/ifc/duplex_merge.ifc)