Openssl PFX to PEM convert with chain and decyphered key usage ( ./pfx_pem_convert.sh filename)

pfx_pem_convert.sh

#!/bin/bash
outfile=${1::-4}
echo "converting to pem with chain"
openssl pkcs12 -in $1 -clcerts -nokeys -out $outfile.pem
echo "extracting key only"
openssl pkcs12 -in $1 -nocerts -out tmp_wk.key
echo "removing passphrase from key"
echo openssl rsa -in tmp_wk.key -out $outfile.key
rm tmp_wk.key
echo "done, CHECK YOUR CHAINS!!!"