Big update

bin/quickrun.fish

@@ -0,0 +1,19 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i fish
+#!nix-shell -p fish gcc
+
+
+set file (realpath $argv[1])
+
+set workdir (mktemp -d)
+cd $workdir
+
+set extension (string match -r '\.([a-z]+)$' $file | head -n 1)
+
+switch $extension
+  case ".c"
+    gcc -o a.out $file
+    ./a.out
+  case ".py"
+    python $file
+end