X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=finddup.1;h=3092d756ca655a5e6d53dfb31a7417bccb59f72f;hb=ee66d074b67bbd7a137acffc40175f3a689d3e0f;hp=71e0e57ce594c235737f251bdcc9e160ec37be79;hpb=834f5d0970d97555f204eea4897204db0511e86e;p=finddup.git

diff --git a/finddup.1 b/finddup.1
index 71e0e57..3092d75 100644
--- a/finddup.1
+++ b/finddup.1
@@ -10,20 +10,22 @@ finddup \- Find files common to two directories (or not)
 
 .SH "SYNOPSIS"
 
-\fBfinddup\fP [OPTION]... DIR1 [[not:]DIR2]
+\fBfinddup\fP [OPTION]... DIR1 [[and:|not:]DIR2]
 
 .SH "DESCRIPTION"
 
 With a single directory argument, \fBfinddup\fP prints the duplicated
 files found in it. With two directories, it prints either the files
 common to both DIR1 and DIR2, or with the `not:' prefix, the ones
-present in DIR1 and not in DIR2.
+present in DIR1 and not in DIR2. The and: prefix is assumed by default
+and necessary only if you have a directory name starting with `not:'.
 
-It compares files by first comparing their sizes, hence goes
+This command compares files by first comparing their sizes, hence goes
 reasonably fast.
 
 When looking for identical files, \fBfinddup\fP associates by default
-a group ID to every content, and prints it along the file names.
+a group ID to every content, and prints it along the file names. Use
+the \fB-g\fP to switch it off.
 
 Note that
 .B finddup DIR
@@ -38,6 +40,9 @@ display help and exit
 \fB-d\fR
 ignore files and directories starting with a dot
 .TP
+\fB-0\fR
+ignore empty files
+.TP
 \fB-c\fR
 do not show which files from DIR2 corresponds to files from DIR1
 (hence, show only the files from DIR1 which have an identical twin in