wrap-headers

#/usr/bin/bash

# Add ifndef/define/endif to headers which use pragma once. I used
# it to edit some C++ project which wouldn't compile because the
# compiler didn't understand pragma once. SunCC, I'm looking at you!

~/bin/ack -l 'pragma once' | while read file; do

f="${file//\//_}"
f="${f//./_}"
f="$(echo "$f" | tr '[:lower:]' '[:upper:]')"

gsed -i "/#pragma once/ {
a#ifndef $f
a#define $f
}; \$a#endif /* $f */" $file

done