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NAME ^ - unmap or remap identifiers/strings using a given id mapping


  Usage: [OPTIONS] <map_file> <input_file> <output_file> will (un)map or remap identifiers of tables using a given id
  mapping. All input files are exptected to be tab-separated. Column numbers
  are zero-based.

  Examples: --from 0 --to 1 --col 0 map.tsv data.tsv data.unmapped.tsv
    # remaps column 0 (the 1st column) of data.tsv using the mapping of 
    # column 0 -> column 1 in map.tsv and saves it to data.unmapped.tsv.


  -?, --help               show the full help with all options explained

  -k, --from
  -v, --to
  -m, --col=<NUMBER>
  -h, --header




The column to match the ids against


If the from column has a match, output the id in column to.


The columns that should be mapped. Can be used multiple times to map multiple columns with the same mapping at the same time.


Do only output sucessfully mapped ids/strings.

(usually dies if a mapping fails)


The data input has comments of the form <REGEX>, just copy it directly to the output.


Do not replace the ids in the col-column, but add a new column after it with the mapped ids.


The data file has a header, just copy it directly to the output.


Prefilter the input data by <REGEX >


Prefix the original ids with <STRING> and take the prefixed version as mapped id.

(usually dies if a mapping fails)


Add the suffix <STRING> the original ids and take the suffixed version as mapped id.

(usually dies if a mapping fails)


If one id (from) maps to multiple ids (to), output all mappings. Default is to take the last encountered (from,to)-pair as mapping entry.


jw bargsten, <jwb at cpan dot org>

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