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