X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=finddup.git;a=blobdiff_plain;f=finddup.1;h=989cff9330e5164b1f1b81116602c1b58d41e4ad;hp=36ae5a3de781881491f61d76f2c8446669b71dbb;hb=87eea2c3b5958b578cdf32f5e01d3c733bdf7615;hpb=86c8a0fee4858cf0798a6045991f1b98bb037d3e

diff --git a/finddup.1 b/finddup.1
index 36ae5a3..989cff9 100644
--- a/finddup.1
+++ b/finddup.1
@@ -10,7 +10,7 @@ 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 \- Find files common to several directories or not
 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"