restructured conditional prints in diff, added parabolic focus solution to quad_reg output

1 files changed, 4 insertions, 7 deletions

diff --git a/diff1.awk b/diff1.awk
index db7d2bc..cf1f2ff 100644
--- a/diff1.awk
+++ b/diff1.awk
@@ -1,6 +1,6 @@
-#!usr/bin/awk -f
+#!/usr/bin/awk -f
 
-### diff.awk
+### diff1.awk
 # numerical diff along columns
 
 BEGIN {
@@ -23,8 +23,7 @@ NR == 1 {
             dheader[n] = "dcol" n
         }
         printf(dheader[n])
-        if (n < NF)
-            printf(OFS)
+        printf(n < NF ? OFS : ORS)
     }
 }
 
@@ -44,8 +43,6 @@ NF {
         }
         else
             diff[y] = ""
-        if (y < nf_max)
-            printf(OFS)
+        printf(y < nf_max ? OFS : ORS)
     }
-    printf(ORS)
 }