Split concatenated certificates with awk
This is a short script that takes a list of concatenated certificates as input (such as a collection of CA certificates) and produces a collection of numbered files, each containing a single certificate.
#!/bin/awk -f # This script expects a list of concatenated certificates on input and # produces a collection of individual numbered files each containing # a single certificate. BEGIN {incert=0} /—–BEGIN( TRUSTED)? CERTIFICATE—–/ { certno++ certfile=sprintf("cert-%d.crt", certno) incert=1 } /—–END( TRUSTED)?