Add diffstat, written by Evil_Bob. Thanks! - various - Various utilities developed at bitreich.
 (HTM) git clone git://bitreich.org/various/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/various/
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       ---
 (DIR) commit 08ba44c39d435ca04d7ef39d7f5d5a8b783dd883
 (DIR) parent 1e985cb90d976f0f4e63cf51cb6d031cc53d304e
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Mon, 10 Jan 2022 18:33:02 +0100
       
       Add diffstat, written by Evil_Bob. Thanks!
       
       Diffstat:
         A diffstat                            |      19 +++++++++++++++++++
       
       1 file changed, 19 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/diffstat b/diffstat
       @@ -0,0 +1,19 @@
       +#!/bin/sh
       +# script to quickly check how much is changed in a patch.
       +# Written and (c) by Evil_Bob on 2022-01-10.
       +
       +LC_ALL=C awk '
       +$0 ~ /^(\+\+\+|\-\-\-) /{
       +        # likely a diff header for a file.
       +        next;
       +}
       +length($0) {
       +        c = substr($0, 1, 1);
       +        if (c == "-")
       +                del++;
       +        else if (c == "+")
       +                add++;
       +}
       +END {
       +        printf("%d insertions(+), %d deletions(-)\n", add, del);
       +}'