sfeed_markread: use "-" instead of /dev/stdin - sfeed_curses - sfeed curses UI (now part of sfeed, development is in sfeed)
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       ---
 (DIR) commit 9d3e0853cfb0d0b3c2b53838377e7b0b04fd1e7f
 (DIR) parent a3c02678f80ec8c253ce680d36ae9bd4ee935d8c
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sat, 24 Jul 2021 23:13:53 +0200
       
       sfeed_markread: use "-" instead of /dev/stdin
       
       This is slightly more portable and specified in POSIX:
       
       https://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html
       section "STDIN".
       
       Diffstat:
         M sfeed_markread                      |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/sfeed_markread b/sfeed_markread
       @@ -26,7 +26,7 @@ unread)
                FILENR == 1 { urls[$0] = 1 }
                FILENR == 2 { if (!urls[$0]) { print $0 } }
                END { exit(FILENR != 2) }' \
       -                "/dev/stdin" "${urlfile}" > "${tmp}" && \
       +                "-" "${urlfile}" > "${tmp}" && \
                        cp "${tmp}" "${urlfile}"
                ;;
        *)