3 ms·
For reference, you can do this using the wc core utility. The -l option makes it count the number of lines so 'wc -l' will do the same thing as your sum express
by foob 12y ago
For reference, you can do this using the wc core utility. The -l option makes it count the number of lines so 'wc -l' will do the same thing as your sum expression.