On 2020-05-27 20:42, m@d m0nk via Cygwin wrote: > On Thu, May 28, 2020 at 8:10 AM Eliot Moss wrote: >> On 5/27/2020 10:27 PM, m@d m0nk via Cygwin wrote: >>> I am trying to understand the practical use of "--horizon-lines=lines" >>> option in the diff utility. >>> Can i get some pointers on two sample files which can demonstrate the >>> use of --horizon-lines=lines >>> I understood the theory / definition from the info / man file. >>> However, I am unable to reproduce the scenario. >>> Request some pointers.
>> This stackexchange post may give some insight (it did for me): >> https://unix.stackexchange.com/questions/158097/diff-horizon-lines-lines-explained > Thanks EM.I did go through the post, I understood the concept/theory, > but I am unable to do a practical demo of it. Do you have a sample > file set for demo or can you suggest something? The option --horizon-lines is intended to adjust (normally increase) the amount of context kept for matching around a hunk of differences, independent of the displayed context lines, before diff concludes that hunk is independent of any subsequent changes and emit the hunk with suppress-common-lines|--context|--unified lines of context around it. Often a few blank (or other common text) lines will match any other range of a few blank (or other common text) lines and diff will decide the hunk is complete, so you may end up with a number of small separate added/deleted hunks, rather than a larger hunk where some lines may have been changed. -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. [Data in IEC units and prefixes, physical quantities in SI.] -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
