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recsel — Print records from a recfile: a human-editable, plain text database. More information: <https://www.

Submitted by: @import:tldr-pages··
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Problem

How to use the recsel command: Print records from a recfile: a human-editable, plain text database. More information: <https://www.gnu.org/software/recutils/manual/recutils.html#Invoking-recsel>.

Solution

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

Extract name and version field:
recsel {{[-p|--print]}} name,version {{data.rec}}


Use "~" to match a string with a given regex:
recsel {{[-e|--expression]}} "{{field_name}} ~ '{{regex}}' {{data.rec}}"


Use a predicate to match a name and a version:
recsel {{[-e|--expression]}} "name ~ '{{regex}}' && version ~ '{{regex}}'" {{data.rec}}

Code Snippets

Extract name and version field

recsel {{[-p|--print]}} name,version {{data.rec}}

Use "~" to match a string with a given `regex`

recsel {{[-e|--expression]}} "{{field_name}} ~ '{{regex}}' {{data.rec}}"

Use a predicate to match a name and a version

recsel {{[-e|--expression]}} "name ~ '{{regex}}' && version ~ '{{regex}}'" {{data.rec}}

Context

tldr-pages: common/recsel

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