Split SSL PEM multiple certificates into files

openssl_split_one_pem_to_multiple.sh

wget -O - http://curl.haxx.se/ca/cacert.pem | awk 'split_after==1{n++;split_after=0} /-----END CERTIFICATE-----/ {split_after=1} {print > "cert" n ".pem"}'

Thanks for providing this sample, the modification below makes sure that all files have numbers starting with 0, and if there are no certificates in the file no output is created.

awk '
BEGIN {n=0;seen_cert=0}
split_after==1                {n++;split_after=0}
/^-----END CERTIFICATE-----$/ {split_after=1;seen_cert=1}
seen_cert==1                  {print > "trust_root_certificate_" n}
' /path/to/certs.pem