From 598f19fbffa46494cb114e675e70c289b8e0c7bc Mon Sep 17 00:00:00 2001
From: Le Zhang <ejoy@users.sourceforge.net>
Date: Mon, 15 Jun 2015 10:47:01 -0400
Subject: [PATCH] display simple legend so that it's easier to tell where each
 line is plotted from. For example: plot 'sin(x); 5*sin(x); 10*sin(x)' 0 2*pi

---
 plot | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plot b/plot
index 77f74a7..19be60b 100755
--- a/plot
+++ b/plot
@@ -40,7 +40,7 @@ for o, a in opts:
 
 # Handle the arguments.
 try:
-  fcns = args[0].split(';')
+  fcns = [x.strip() for x in args[0].split(';')]
   minx = eval(args[1])
   maxx = eval(args[2])
 except IndexError:
@@ -60,6 +60,7 @@ x = linspace(minx, maxx, 100)
 for i, f in enumerate(fcns):
   y = eval(f)
   plt.plot(x, y, "-", linewidth=2)
+plt.legend(fcns, frameon=False);
 plt.minorticks_on()
 plt.grid(which='both', color='#aaaaaa')