From 1766fdd00826bdc9527e8a6ecc07d00583627832 Mon Sep 17 00:00:00 2001 From: parkrrrr Date: Fri, 10 Oct 2003 17:10:44 +0000 Subject: [PATCH] document duplicate filter's ALL option --- gpsbabel/README | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/gpsbabel/README b/gpsbabel/README index 9d1e9d65d..86b625116 100644 --- a/gpsbabel/README +++ b/gpsbabel/README @@ -467,8 +467,9 @@ DATA FILTERS The duplicate filter is designed to remove duplicate points based on their shortname (traditionally a waypoint's name on the GPS receiver), and/or their location (to a precision of 6 decimals). - This filter supports two options, "shortname" and "location". - Generally, at least one of these options is REQUIRED. For example: + This filter supports two options that specify how duplicates will + be recognized, "shortname" and "location". Generally, at least one + of these options is REQUIRED. For example: gpsbabel -i gpx -f 1.gpx -f 2.gpx -x duplicate,location,shortname \ -o gpx -F merged_with_no_dupes.gpx @@ -477,6 +478,14 @@ DATA FILTERS locations. The result would be a GPX file that more than likely contains only unique points and point data. + The duplicate filter can also take an "all" option. If you specify + that option, all instances of a duplicated waypoint will be removed, + not just the second and subsequent instances. If your input file + contains waypoints A, B, B, and C, the output file will contain + waypoints A, B, and C without the "all" option, or just A and C + with the "all" option. This option can be useful as an "ignore + list" in some circumstances. + DISTANCE ALONG A ROUTE (ARC) ARC -- 2.30.2