1 files changed, 3 insertions, 2 deletions
diff --git a/lpf.awk b/lpf.awk
index 814020f..aba92e1 100644
--- a/lpf.awk
+++ b/lpf.awk
@@ -5,6 +5,7 @@
 
 BEGIN {
     OFS = FS
+    ARGV[1] ? OFMT = "%." ARGV[1] "g" : OFMT = "%g"
     sign = "[+-]?"
     decimal = "[0-9]+[.]?[0-9]*"
     fraction = "[.][0-9]*"
@@ -28,7 +29,7 @@ NF > 0 {
     if (NF > nf_max)
         nf_max = NF
 
-    input_size = window_size 
+    input_size = window_size
     output_size = (input_size + window_size - 1)
 
     ### columns
@@ -72,7 +73,7 @@ NF > 0 {
             printf(OFS)
         else
             printf(ORS)
-        
+
     }