make it work with and without cgi

README.md

@@ -6,4 +6,6 @@ An example file outlining the format is provided.
 
 # How to use:
 
-Put `pyhi.sh` and `pyhp.py` somewhere where your web server can execute them, then configure said web server to execute `.pyh` files using `pyhi.sh`.
+Put `pyhi-cgi.sh` somewhere where the server will execute it as CGI script with the environment variable `PYHP` set to point to `pyhp.py`. If the environment variable is unset, `pyhi-cgi.sh` will try to find `pyhp.py` in the same directory as it itself is. Then configure the web server to run `.pyh` files using `pyhi-cgi.sh` as a cgi script.
+
+Alternatively, put `pyhi.sh` and `pyhp.py` somewhere and run `pyhi.sh` with the `.pyh` file as the first argument. Any other command line arguments will be passed to the `.pyh` file. The same `PYHP` environment variable can be used as described above.

pyhi-cgi.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+if [ -z "$PYHP" ]; then
+  PYHP=""$(dirname "$0")"/pyhp.py"
+fi
+
+HYPERTEXT=$("$PYHP" "$PATH_TRANSLATED" | python3 -)
+
+# check for headers, if present assume the pyh file is going to handle them
+if head -n1 <<< "$HYPERTEXT" | grep "[A-Za-z][A-Za-z0-9\-]*: " > /dev/null 2>&1; then
+  true
+else
+  echo -ne "Content-type: text/html\\n\\n"
+fi
+
+echo "$HYPERTEXT"

pyhi.sh

@@ -4,13 +4,7 @@ if [ -z "$PYHP" ]; then
   PYHP=""$(dirname "$0")"/pyhp.py"
 fi
 
-HYPERTEXT=$("$PYHP" "$PYH" | python3 - "$PATH_TRANSLATED")
+PYH="$1"
+shift
 
-# check for headers, if present assume the pyh file is going to handle them
-if head -n1 <<< "$HYPERTEXT" | grep "[A-Za-z][A-Za-z0-9\-]*: "; then
-  true
-else
-  echo -ne "Content-type: text/html\\n\\n"
-fi
-
-echo "$HYPERTEXT"
+"$PYHP" "$PYH" | python3 - "$@"