X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=finddup.1;h=989cff9330e5164b1f1b81116602c1b58d41e4ad;hb=2eac88f904b6f292a65d909e40e48eae62e3f8ac;hp=9c5afdad212696e208d7aab8bbd16ead4c1b9db4;hpb=480a3e88ef9e55ccd351acb7fa21d231434ce062;p=finddup.git

diff --git a/finddup.1 b/finddup.1
index 9c5afda..989cff9 100644
--- a/finddup.1
+++ b/finddup.1
@@ -6,11 +6,11 @@
 
 .SH "NAME"
 
-finddup \- A simple command line utility for size-sorting files
+finddup \- Find files common to several directories or not
 
 .SH "SYNOPSIS"
 
-\fBfinddup\fP [OPTION]... [FILE]...
+\fBfinddup\fP [OPTION]... DIR1 [[^]DIR2]
 
 .SH "DESCRIPTION"
 
@@ -18,6 +18,12 @@ finddup \- A simple command line utility for size-sorting files
 common to two directories or files existing in one directories and not
 in another one.
 
+With a single directory argument, prints the duplicate files found in
+it. With two directories, prints the files common to both.
+
+If the second directory name starts with a ^, prints the files
+existing in DIR1 which do not exist in DIR2.
+
 .SH "OPTIONS"
 .TP
 \fB-h\fR
@@ -28,7 +34,8 @@ shows the real path of the files
 
 .SH "BUGS"
 
-None known, probably many though.
+Every pair of different files with same content are listed, which
+results in K^2 printed lines when K files are similar.
 
 .SH "AUTHOR"