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