Do not output empty recommendation. - annna - Annna the nice friendly bot.
 (HTM) git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/annna/
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       ---
 (DIR) commit b78b233f0d9ed287e7b82fd5b0e3c4e7c188d4f7
 (DIR) parent 37acc0ebfb3bea9fe8a0840350803674cd923f7b
 (HTM) Author: Annna Robert-Houdin <annna@bitreich.org>
       Date:   Mon, 31 May 2021 11:27:20 +0200
       
       Do not output empty recommendation.
       
       Diffstat:
         M gutenberg-news                      |       8 ++++++--
       
       1 file changed, 6 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/gutenberg-news b/gutenberg-news
       @@ -1,5 +1,7 @@
        #!/bin/sh
        
       +set -x
       +
        export PATH="$HOME/bin:$PATH"
        
        bookchannel="#bitreich-books"
       @@ -8,6 +10,8 @@ bookrec="$(curl -s gopher://gopher.icu/0/gutenberg/newbooks.atom.xml \
                | sfeed \
                | sed 's,^[0-9]*\t\([^\t]*\)\t\([^\t]*\).*,\1 ( \2 ),' \
                | shuf -n 1)"
       -
       -annna-say -c "${bookchannel}" "Today's book recommendation: ${bookrec}"
       +if [ -n "${bookrec}" ];
       +then
       +        annna-say -c "${bookchannel}" "Today's book recommendation: ${bookrec}"
       +fi