add a few scripts

Author: tkhaew

README

@@ -1,10 +1,13 @@
 Place to put small code scraps and pull in other small repos.
 
+scripts:
+	qrclip - capture qr code from webcam/img to clipboard
+	entropy - monitor entropy available by showing every 1 second
+
 greasemonkey:
 	collapsetips - script to collapse ChangeTips on /r/bitcoin
 
-From other repos/gists:
-
-subgit	 	 - nice script for easily managing sub-projects (like these)
-bkkcoins 	 - useful stuff for Bitcoin
+from other repos/gists:
+	subgit - nice script for easily managing sub-projects (like these)
+	bkkcoins - useful stuff for Bitcoin
 

scripts/entropy

@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+ 
+import time
+ 
+while True:
+    with open('/proc/sys/kernel/random/entropy_avail', 'r') as f:
+        print(f.read().rstrip())
+    time.sleep(1.0)

scripts/qrclip

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+  zbarcam --raw |xclip -selection c
+elif [ "$1" = "btc" ]; then
+  zbarcam --raw |sed 's/.*\://' |xclip -selection c
+else
+  zbarimg -q --raw "$1" |xclip -selection c
+fi
+