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ddup.1
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ddup.1
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.\" Man page generated from reStructuredText.
.
.TH "DDUP" "1" "Feb 04, 2022" "0.11.1" "mpiFileUtils"
.SH NAME
ddup \- report files with identical content
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.SH SYNOPSIS
.sp
\fBddup [OPTION] PATH\fP
.SH DESCRIPTION
.sp
Parallel MPI application to report files under a directory tree having identical content.
.sp
ddup reports path names to files having identical content (duplicate files).
A top\-level directory is specified, and the path name to any file that is a duplicate
of another anywhere under that same directory tree is reported.
The path to each file is reported, along with a final hash representing its content.
Multiple sets of duplicate files can be matched using this final reported hash.
.SH OPTIONS
.INDENT 0.0
.TP
.B \-d, \-\-debug LEVEL
Set verbosity level. LEVEL can be one of: fatal, err, warn, info, dbg.
.UNINDENT
.INDENT 0.0
.TP
.B \-v, \-\-verbose
Run in verbose mode.
.UNINDENT
.INDENT 0.0
.TP
.B \-q, \-\-quiet
Run tool silently. No output is printed.
.UNINDENT
.INDENT 0.0
.TP
.B \-h, \-\-help
Print the command usage, and the list of options available.
.UNINDENT
.SH EXAMPLES
.INDENT 0.0
.IP 1. 3
To report any duplicate files under a directory tree:
.UNINDENT
.sp
\fBmpirun \-np 128 ddup /path/to/haystack\fP
.SH SEE ALSO
.sp
The mpiFileUtils source code and all documentation may be downloaded
from <\fI\%https://github.com/hpc/mpifileutils\fP>
.SH AUTHOR
HPC
.SH COPYRIGHT
2022, LLNL/LANL/UT-Battelle/DDN
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