launcher script and print info

2 files changed, 23 insertions, 0 deletions

diff --git a/lr b/lr
new file mode 100755
index 0000000..9158f02
--- /dev/null
+++ b/lr
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+mdir="$(dirname "$(readlink $0)")"
+lpath="$mdir/?.lua;$LUA_PATH"
+
+case "$(basename $0)" in
+	ljr) lua=luajit ;;
+	lr)  lua=lua ;;
+	l1r) lua=lua5.1 ;;
+	l2r) lua=lua5.2 ;;
+	l3r) lua=lua5.3 ;;
+	l4r) lua=lua5.4 ;;
+	*)   lua=lua ;;
+esac
+
+# allow overriding with envvar LUA
+lua=${LUA:-$lua}
+
+LUA_PATH="$lpath" rlwrap "$lua" "${mdir}/repl.lua" $@
+
diff --git a/repl.lua b/repl.lua
index 274d17b..8abb822 100644
--- a/repl.lua
+++ b/repl.lua
@@ -59,6 +59,9 @@ local function result(ok,...)
 		print("error: "..(...))
 	end
 end
+io.write("lua_repl_good for ".._VERSION)
+if jit then io.write(" ("..jit.version..")") end
+io.write"\n"
 
 while true do
 	local f,err = read_chunk()