Typo.

[finddup.git] / finddup.1

diff --git a/finddup.1 b/finddup.1
index a1f2a60..12e7a32 100644 (file)
--- a/finddup.1
+++ b/finddup.1
@@ -10,19 +10,27 @@ 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:'.
 
-When looking for identical files,
-.B finddup
-by default associates a group ID to every content, and prints it along
-the file names.
+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. Use
+the \fB-g\fP to switch it off.
+
+Note that
+.B finddup DIR
+is the same as
+.B finddup -i DIR DIR
 
 .SH "OPTIONS"
 .TP
@@ -32,8 +40,13 @@ 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
+DIR2)
 .TP
 \fB-g\fR
 do not show the file group IDs
@@ -43,6 +56,9 @@ show progress information in stderr
 .TP
 \fB-r\fR
 show the real path of the files
+.TP
+\fB-i\fR
+files with same inode are considered as different
 
 .SH "BUGS"
 
@@ -53,40 +69,32 @@ None known, probably many. Valgrind does not complain though.
 The format of the output should definitely be improved. Not clear how.
 
 The comparison algorithm could definitely use some MD5 kind of
-signature. I doubt it would really speed up a lot.
+signature. However, I doubt it would improve speed much.
 
-Their should be some fancy option to run two instances of the command
-on different machines so that comparison could be done without disk
-access where the disk are physically.
+Their should be some fancy option to link two instances of the command
+running on different machines to reduce network disk accesses.
 
 .SH "EXAMPLES"
 
-.B finddup -cg blah something
+.B finddup -p0d blah
 
 .fi
-List files found in
-.B ./blah/
-which have a matching file with same content in
-.B ./something/
-without the group IDs
+List duplicated files in directory ./blah/, show a progress bar,
+ignore empty files and files and directories starting with a dot.
 
 .P
 .B finddup sources not:/mnt/backup
 
 .fi
-List all files found in
-.B ./sources/
-which do not have content-matching equivalent in
-.B /mnt/backup
+List all files found in \fB./sources/\fR which do not have
+content-matching equivalent in \fB/mnt/backup/\fR.
 
 .P
 .B finddup tralala cuicui
 
 .fi
 List groups of files with same content which exist both in
-.B ./tralala/
-and
-.B ./cuicui/
+\fB./tralala/\fR and \fB./cuicui/\fR.
 
 .SH "AUTHOR"