roles/prerec/templates/get-file-prefix


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#!/bin/bash
# {{ ansible_managed }}
# Usage: get-file-prefix $slug [talks.json]
# You can also set the TALKS_JSON environment variable

SLUG=$1
if [ -z "$TALKS_JSON" ]; then
  TALKS_JSON=${2:-~orga/current/talks.json}
fi
jq -r '.talks[] | select(.slug=="'$SLUG'")["file-prefix"]' < $TALKS_JSON