scripts/detector-shift: Handle "-" for input

1 files changed, 5 insertions, 1 deletions

diff --git a/scripts/detector-shift b/scripts/detector-shift
index 440bd962..74106179 100755
--- a/scripts/detector-shift
+++ b/scripts/detector-shift
@@ -17,7 +17,11 @@ import re
 import numpy as np
 import matplotlib.pyplot as plt
 
-f = open(sys.argv[1], 'r')
+if sys.argv[1] == "-":
+    f = sys.stdin
+else:
+    f = open(sys.argv[1], 'r')
+
 if len(sys.argv) > 2:
     geom = sys.argv[2]
     have_geom = 1