From 4238791ac5d92fb2ddff294fedc3be0ee969afce Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 11 Jan 2024 12:20:08 -0800 Subject: [PROPOSED 5/5] Sort links by dest when shrinking vanguard * zishrink.awk (process_input_line, output_saved_lines): Sort links by destination name if vanguard and using Awk. --- zishrink.awk | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/zishrink.awk b/zishrink.awk index c370a8e8..c98dc6ae 100644 --- a/zishrink.awk +++ b/zishrink.awk @@ -247,9 +247,13 @@ function process_input_line(line, \ outline = make_line(n, field) if (ruleline) rule_output_line[nrule_out++] = outline - else if (linkline) - link_output_line[nlink_out++] = outline - else + else if (linkline) { + # In vanguard format with Gawk, links are output sorted by destination. + if (dataform == "vanguard" && PROCINFO["version"]) + linkdef[zonename] = field[2] + else + link_output_line[nlink_out++] = outline + }else zonedef[zonename] = (zoneline ? "" : zonedef[zonename] "\n") outline } @@ -312,8 +316,16 @@ function output_saved_lines( \ for (zonename in zonedef) print zonedef[zonename] - for (i = 0; i < nlink_out; i++) - print link_output_line[i] + if (nlink_out) + for (i = 0; i < nlink_out; i++) + print link_output_line[i] + else { + # When using gawk, output links sorted by destination. + # This also helps compressibility a bit. + PROCINFO["sorted_in"] = "@val_type_asc" + for (zonename in linkdef) + printf "L %s %s\n", linkdef[zonename], zonename + } } BEGIN { -- 2.40.1