X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=finddup.1;h=3ae9a42e13e0603b97083281ec35d55f9b9fd43f;hb=574390d2a9daf2fb484baa4bae31cfc824c912f0;hp=36ae5a3de781881491f61d76f2c8446669b71dbb;hpb=86c8a0fee4858cf0798a6045991f1b98bb037d3e;p=finddup.git

diff --git a/finddup.1 b/finddup.1
index 36ae5a3..3ae9a42 100644
--- a/finddup.1
+++ b/finddup.1
@@ -6,18 +6,24 @@
 
 .SH "NAME"
 
-finddup \- Find files common to several directories or not
+finddup \- Find files common to two directories (or not)
 
 .SH "SYNOPSIS"
 
-\fBfinddup\fP [OPTION]... [FILE]...
+\fBfinddup\fP [OPTION]... DIR1 [[^]DIR2]
 
 .SH "DESCRIPTION"
 
 \fBfinddup\fP is a command line utility to find duplicate files, files
-common to two directories or files existing in one directories and not
+common to two directories or files existing in one directory 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"