X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/dd1f87e7a117eb165829616661403e476c9dba00..700b7a1dedc88de3812aba703db0903a61f6d927:/linux/plan2icalendar

diff --git a/linux/plan2icalendar b/linux/plan2icalendar
index d22965dd67..4571fc1ab5 100755
--- a/linux/plan2icalendar
+++ b/linux/plan2icalendar
@@ -38,6 +38,13 @@ exit 0;
 
 sub usage {
     print <<EOF
+Usage: $0 [-i] [-f infile] [-o outfile]
+
+Imports or exports between plan and iCalendar.
+
+  -i          import ical file
+  -f infile   read input from 'infile'
+  -o outfile  read output from 'outfile'
 EOF
 }
 sub read_planfile {