i----------------------------------------
       iawk is the best
       iJanuary 23rd, 2018
       i----------------------------------------
       i
       iI have a section on this phlog called "Current Books" [0]. That is
       ithe output of a cgi script that queries my Goodreads reading list
       ivia RSS, selects the relevant data, formats and displays it.
       i
       iThis is the heart of that script. It's 1 line of code.
       i
       i(Fake linebreaks for easy reading)
       i
       icurl -s "<RSS FEED>" |
       i  /usr/pkg/bin/xml sel 
       i    -t
       i    -m "/rss/channel/item"
       i    -v "title"
       i    -o "^"
       i    -v "author_name"
       i    -o "^"
       i    -v "book/num_pages" -n |
       i
       i  awk 'BEGIN { 
       i         FS="^"; 
       i         books="\n"; 
       i         print "Books I am currently reading:" 
       i       }
       i
       i       $3 ~ /[0-9]+/ {
       i         pages+=$3; 
       i         books=(books $1 "\n  by " $2 "\n") 
       i       }
       i
       i       END {
       i         print "(" pages " pages left to read)\n", books 
       i       }' |
       i
       i  fold -s -w 66 >
       i    "/sdf/arpa/tz/t/tomasino/gopher/reading/currentbooks.txt"
       i
       iI love awk and I don't get to use it nearly enough.
       i
 (TXT) [0] Currently Reading