ref: e81e1a4aeddad2bc612c9c5243573250b6ff33a4
dir: /sys/src/ape/lib/openssl/demos/b64.pl/
#!/usr/local/bin/perl # # Make PEM encoded data have lines of 64 bytes of data # while (<>) { if (/^-----BEGIN/ .. /^-----END/) { if (/^-----BEGIN/) { $first=$_; next; } if (/^-----END/) { $last=$_; next; } $out.=$_; } } $out =~ s/\s//g; $out =~ s/(.{64})/$1\n/g; print "$first$out\n$last\n";