--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/f	Sun Sep 25 20:31:46 2016 +0000
@@ -0,0 +1,6 @@
+#! /bin/bash
+cmd="$1"
+shift
+f="$*"
+if [[ -z "$f" && "$cmd" == *\ * ]]; then f="${cmd#* }"; cmd="${cmd%% *}"; fi
+if [[ -z "$f" ]]; then echo try: \`f command filename; elif [[ -e "$f" ]]; then "$cmd" "$(< "$f")"; else echo no such file: "$f"; fi