1 files changed, 1 insertions, 1 deletions
diff --git a/diff1.awk b/diff1.awk
index 4132bf7..15c04fb 100644
--- a/diff1.awk
+++ b/diff1.awk
@@ -41,7 +41,7 @@ NF {
             data[y] = $y
             (data_prev[y] ~ number) ? diff[y] = data[y] - data_prev[y] : diff[y] = ""
             data_prev[y] = data[y]
-            printf("%.18g", diff[y])
+            printf(OFMT, diff[y])
         }
         else
             diff[y] = ""