recsel

Print records from a recfile: a human-editable, plain text database. More information: https://www.gnu.org/software/recutils/manual/recutils.html.

• Extract name and version field:
  recsel -p name,version {{data.rec}}
• Use "~" to match a string with a given regular expression:
  recsel -e "{{field_name}} ~ '{{regular_expression}}' {{data.rec}}"
• Use a predicate to match a name and a version:
  recsel -e "name ~ '{{regular_expression}}' && version ~ '{{regular_expression}}'" {{data.rec}}