Add code to trip trailing newlines in a file.

diff --git a/src/tools/pgindent/pgindent b/src/tools/pgindent/pgindent
index 614d93ae427e3d51cf7a2e5de57a06183a919b07..5321876d8a42876ccc2e9c314f99800b13c48ea1 100755 (executable)
--- a/src/tools/pgindent/pgindent
+++ b/src/tools/pgindent/pgindent
@@ -1531,6 +1531,19 @@ do
            if (NR >= 1 && skips <= 2)
                print line2;
        }' |
+# remove trailing blank lines, helps with adding blank before trailing #endif
+   awk '   BEGIN   {blank_lines = 0;}
+       {
+           line1 = $0;
+           if (line1 ~ /^$/)
+               blank_lines++;
+           else
+           {
+               for (; blank_lines > 0; blank_lines--)
+                   printf "\n";
+               print line1;
+           }
+       }' |
 # remove blank line before #endif
    awk '   BEGIN   {line1 = ""; line2 = ""; skips = 0}
        {