NAME

       Catmandu::Fix::marc_set - set a marc value of one (sub)field to a new value

SYNOPSIS

           # Set a field in the leader
           if marc_match('LDR/6','c')
               marc_set('LDR/6','p')
           end

           # Set all the 650-p fields to 'test'
           marc_set('650p','test')

           # Set the 100-a subfield where indicator-1 is 3
           marc_set('100[3]a','Farquhar family.')

           # Copy data from another field in a subfield
           marc_set('100a','$.my.deep.field')

DESCRIPTION

       Read our Wiki pages at <https://github.com/LibreCat/Catmandu/wiki/Fixes> for a complete
       overview of the Fix language.

SEE ALSO

       Catmandu::Fix