Add 2012/hamano/try.sh + format/typo checks

2012/hamano/try.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2012/hamano
+#
+
+# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
+# this way allows us to have the user specify a different compiler in an easy
+# way.
+if [[ -z "$CC" ]]; then
+    CC="cc"
+fi
+
+make CC="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+read -r -n 1 -p "Press any key to obfuscate README.md, writing to hint.pdf: "
+echo 1>&2
+echo "$ ./hamano < README.md > hint.pdf" 1>&2
+./hamano < README.md > hint.pdf
+
+echo "Now try opening it in a pdf viewer before proceeding." 1>&2
+read -r -n 1 -p "Press any key to continue: "
+
+echo 1>&2
+echo "$ ${CC} -xc hint.pdf -o hint" 1>&2
+${CC} -xc hint.pdf -o hint
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./hint | less (space = next page, q = quit): "
+./hint | less
+
+echo 1>&2
+
+echo "Will obfuscate the following code: " 1>&2
+echo 1>&2
+echo "	    int main(){puts("Hello World!");}"
+echo 1>&2
+echo "writing to hello.pdf" 1>&2
+echo 'int main(){puts("Hello World!");}' | ./hamano > hello.pdf
+echo 1>&2
+echo "Now open hello.pdf in a pdf viewer before continuing." 1>&2
+echo 1>&2
+read -r -n 1 -p "Press any key to continue to deobfuscate and compile hello.pdf: "
+echo 1>&2
+echo "$ ${CC} -Wno-implicit-function-declaration -xc hello.pdf -o hello2" 1>&2
+${CC} -Wno-implicit-function-declaration -xc hello.pdf -o hello2
+echo "$ ./hello2 | ${CC} -Wno-implicit-function-declaration -xc - -o ./hello3" 1>&2
+./hello2 | ${CC} -Wno-implicit-function-declaration -xc - -o ./hello3
+echo "$ ./hello3" 1>&2
+./hello3