X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6e2f51a06e981bb8ff99c02aff2c5a5ffc0ebbf9..5b1311fba2d422b0c4549097f8e9e0c635b1d9e1:/client/lualibs/utils.lua

diff --git a/client/lualibs/utils.lua b/client/lualibs/utils.lua
new file mode 100644
index 00000000..3d27d5b6
--- /dev/null
+++ b/client/lualibs/utils.lua
@@ -0,0 +1,57 @@
+--[[
+	This may be moved to a separate library at some point (Holiman)
+--]]
+local Utils = 
+{
+	-- Asks the user for Yes or No
+	confirm = function(message, ...)
+		local answer
+		message = message .. " [y/n] ?"
+		repeat
+			io.write(message)
+			io.flush()
+			answer=io.read()
+			if answer == 'Y' or answer == "y" then
+				return true
+			elseif answer == 'N' or answer == 'n' then 
+				return false
+			end
+		until false
+	end,
+	---
+	-- Asks the user for input
+	input = function (message , default)
+		local answer
+		if default ~= nil then
+			message = message .. " (default: ".. default.. " )"
+		end
+		message = message .." \n > "
+		io.write(message)
+		io.flush()
+		answer=io.read()
+		if answer == '' then answer = default end
+
+		return answer
+	end,
+	--
+	-- Converts DECIMAL to HEX
+    ConvertDec2Hex = function(IN)
+		local B,K,OUT,I,D=16,"0123456789ABCDEF","",0
+		while IN>0 do
+			I=I+1
+			IN,D=math.floor(IN/B),math.mod(IN,B)+1
+			OUT=string.sub(K,D,D)..OUT
+		end
+		return OUT
+	end,
+	---
+	-- Convert Byte array to string of hex
+	ConvertBytes2String = function(bytes)
+		s = {}
+		for i = 1, #(bytes) do
+			s[i] =   string.format("%02X",bytes[i]) 
+		end
+		return table.concat(s)
+	end,	
+}
+return Utils
\ No newline at end of file