From 4c4eb1bd8f003b3b57707badd2dd089ed193a896 Mon Sep 17 00:00:00 2001
From: wukong <wukong@longaeva>
Date: Fri, 10 Apr 2026 23:46:12 -0700
Subject: renamed fir window generators; minor edits to whitespace and comments
 for more consistent style;

---
 sum4.awk | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'sum4.awk')

diff --git a/sum4.awk b/sum4.awk
index aa3f044..3e61843 100644
--- a/sum4.awk
+++ b/sum4.awk
@@ -15,17 +15,19 @@ function isnum(n) {
 }
 
 
-BEGIN { OFS = FS }
+BEGIN {
+    OFS = FS
+}
+
 
 NR == 1 {
-    nf_max = NF
     for (i=1; i<=NF; i++)
         isnum($i) ? header[i] = "col" i : header[i] = $i
 }
 
-{
-    if (NF > nf_max)
-        nf_max = NF
+
+NF > 0 {
+    (NF > nf_max) ? nf_max = NF : nf_max = nf_max
     for (i=1; i<=NF; i++) {
         if ($i == header[i])
             continue
@@ -36,6 +38,7 @@ NR == 1 {
     }
 }
 
+
 END {
     for (i=1; i<=nf_max; i++) {
         printf((header[i]) ? header[i] OFS : OFS)
-- 
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