Read further about KNIME and CSV files: CSV Reader (Labs) https://hub.knime.com/knime/extensions/org.knime.features.base/latest/org.knime.base.node.io.filehandling.csv.reader.CSVTableReaderNodeFactory => you can use the "Autodetect" function => you can import multiple CSV files with the same structure at once Demonstrates how to import several CSV files with the new CSV reader from sub folders at once https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_csv_import_multiple_csv_types?u=mlauber71 Force all columns to be read as strings (use KNIME nodes only) https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_csv_import_force_all_string_pure_knime?u=mlauber71 use R library(readr) to read (messy) CSV file into KNIME https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_r_read_single_csv_file?u=mlauber71 KNIME Nodes for Wide Data (many columns) https://hub.knime.com/knime/extensions/org.knime.features.base.widedata/latest
Used extensions & nodes
Created with KNIME Analytics Platform version 4.2.3
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