Merges sorted text files using common field.
Usage:
merger [OPTIONS] LEFT-FILE RIGHT-FILE [OUTPUT]
Allowed options:
-h [ --help ] print this help message
-v [ --version ] print program version
-q [ --ignore-quotes ] no special treatment for quoted text
-d [ --date ] compare by date/time
-D [ --drop-empty ] discard lines without match in all sources
-s [ --separator ] arg (=,) set fields separator
-k [ --key ] arg (=1) field used for comparison (count starts at 1)
-H [ --header ] arg (=0) size of the header (left header will also be copied to the output)
- merge multiple files at once
- discard specified columns