NAME

Catmandu::Fix::pica_keep - reduce PICA record to selected fields

SYNOPSIS

    # keep level 0 fields
    pica_keep('0.../*')

    # keep two specific fields only
    pica_keep(003@,021A)    # pathes can passed as multiple arguments
    pica_keep("003@,021A")  # equivalent: one argument with multiple pathes

FUNCTIONS

pica_keep(PATH,PATH...)

Reduce PICA record to fields referenced by PICA Path expressions. Multiple expressions can be separated by , and optional space or given as multiple arguments. Path expressions should not contain subfields.

SEE ALSO

Function pica_fields of PICA::Data, PICA::Path, Catmandu::Fix::pica_remove.