How to truncate long matching lines returned by grep or ack

Question

I want to run ack or grep on HTML files that often have very long lines. I don\'t want to see very long lines that wrap repeatedly. But I do want to see just that portion of

Answer 1

You could use the grep option -o, possibly in combination with changing your pattern to ".{0,10}.{0,10}" in order to see some context around it:

       -o, --only-matching
              Show only the part of a matching line that matches PATTERN.

..or -c:

       -c, --count
              Suppress normal output; instead print a count of matching  lines
              for  each  input  file.  With the -v, --invert-match option (see
              below), count non-matching lines.