BEGIN { hdr = "#if\tm68k\n" \ "#import \n" \ "#endif\tm68k\n" \ "#if\tm88k\n" \ "#import \n" \ "#endif\tm88k\n" hdr = "#import \n" } /\.h$/ { ofile = sprintf("%s/%s", loc, $1); printf(hdr, dir, $1, dir, $1) > ofile; continue; } { dir = $1; loc = $2; }