query: merge mutiple files using common column
positive_passages.docid: 26166
positive_passages.text: Concatenate multiple files with same header
negative_passages.docid: 44985
negative_passages.text: Simultaneously merge multiple data.frames in a list
negative_passages.docid: 150978
negative_passages.text: Outputting common lines from 2 files and uncommon lines from both the files in one output file
negative_passages.docid: 79449
negative_passages.text: Append huge files to each other without copying them
negative_passages.docid: 157484
negative_passages.text: Merge many audio files with specific positions
negative_passages.docid: 23196
negative_passages.text: Merge files using zipper method / late merge
negative_passages.docid: 43180
negative_passages.text: Extract data from a file and place in different files based on one column value
negative_passages.docid: 154252
negative_passages.text: Append same timestamp to multiple filenames
negative_passages.docid: 58443
negative_passages.text: Merge alternate lines from two files
negative_passages.docid: 106330
negative_passages.text: Merge files based on matching of first column
negative_passages.docid: 8801
negative_passages.text: Can I combine the results from multiple columns into a single column without UNION?
negative_passages.docid: 100133
negative_passages.text: Sum up rows from different data files
negative_passages.docid: 81034
negative_passages.text: merge output files after reduce phase
negative_passages.docid: 5582
negative_passages.text: How to interleave the lines of two or more files?
negative_passages.docid: 111706
negative_passages.text: Join lines from two files
negative_passages.docid: 19932
negative_passages.text: To compare column1 of two files
negative_passages.docid: 99598
negative_passages.text: Changing column of multiple csv files