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NAME
    SplitSDFiles.pl - Split SDFile(s) into multiple SD files

SYNOPSIS
    SplitSDFiles.pl SDFile(s)...

    SplitSDFiles.pl [-c, --CmpdsMode DataField | MolName | RootPrefix] [-d,
    --DataField DataFieldName] [-h, --help] [-m, --mode Cmpds | Files] [-n,
    --numfiles number] [--numcmpds number] [-o, --overwrite] [-r, --root
    rootname] [-w,--workingdir dirname] SDFile(s)...

DESCRIPTION
    Split *SDFile(s)* into multiple SD files. Each new SDFile contains a
    compound subset of similar size from the initial file. Multiple
    *SDFile(s)* names are separated by space. The valid file extensions are
    *.sdf* and *.sd*. All other file names are ignored. All the SD files in
    a current directory can be specified either by **.sdf* or the current
    directory name.

OPTIONS
    -c, --CmpdsMode *DataField | MolName | RootPrefix*
        This option is only used during *Cmpds* value of <-m, --mode> option
        with specified --numcmpds value of 1.

        Specify how to generate new file names during *Cmpds* value of <-m,
        --mode> option: use *SDFile(s)* datafield value or molname line for
        a specific compound; generate a sequential ID using root prefix
        specified by -r, --root option.

        Possible values: *DataField | MolName | RootPrefix | RootPrefix*.
        Default: *RootPrefix*.

        For empty *MolName* and *DataField* values during these specified
        modes, file name is automatically generated using *RootPrefix*.

        For *RootPrefix* value of -c, --CmpdsMode option, new file names are
        generated using by appending compound record number to value of -r,
        --root option. For example: *RootName*Cmd<RecordNumber>.sdf.

        Allowed characters in file names are: a-zA-Z0-9_. All other
        characters in datafield values, molname line, and root prefix are
        ignore during generation of file names.

    -d, --DataField *DataFieldName*
        This option is only used during *DataField* value of <-c,
        --CmpdsMode> option.

        Specify *SDFile(s)* datafield label name whose value is used for
        generation of new file for a specific compound. Default value:
        *None*.

    -h, --help
        Print this help message.

    -m, --mode *Cmpds | Files*
        Specify how to split *SDFile(s)*: split into files with each file
        containing specified number of compounds or split into a specified
        number of files.

        Possible values: *Cmpds | Files*. Default: *Files*.

        For *Cmpds* value of -m, --mode option, value of --numcmpds option
        determines the number of new files. And value of -n, --numfiles
        option is used to figure out the number of new files for *Files*
        value of -m, --mode option.

    -n, --numfiles *number*
        Number of new files to generate for each *SDFile(s)*. Default: *2*.

        This value is only used during *Files* value of -m, --mode option.

    --numcmpds *number*
        Number of compounds in each new file corresponding to each
        *SDFile(s)*. Default: *1*.

        This value is only used during *Cmpds* value of -m, --mode option.

    -o, --overwrite
        Overwrite existing files.

    -r, --root *rootname*
        New SD file names are generated using the root:
        <Root>Part<Count>.sdf. Default new file names: <InitialSDFileName>
        Part<Count>.sdf. This option is ignored for multiple input files.

    -w,--workingdir *dirname*
        Location of working directory. Default: current directory.

EXAMPLES
    To split each SD file into 5 new SD files, type:

        % SplitSDFiles.pl -n 5 -o Sample1.sdf Sample2.sdf
        % SplitSDFiles.pl -n 5 -o *.sdf

    To split Sample1.sdf into 10 new NewSample*.sdf files, type:

        % SplitSDFiles.pl -m Files -n 10 -r NewSample -o Sample1.sdf

    To split Sample1.sdf into new NewSample*.sdf files containing maximum of
    5 compounds in each file, type:

        % SplitSDFiles.pl -m Cmpds --numcmpds 5 -r NewSample -o Sample1.sdf

    To split Sample1.sdf into new SD files containing one compound each with
    new file names corresponding to molname line, type:

        % SplitSDFiles.pl -m Cmpds --numcmpds 1 -c MolName -o Sample1.sdf

    To split Sample1.sdf into new SD files containing one compound each with
    new file names corresponding to value of datafield MolID, type:

        % SplitSDFiles.pl -m Cmpds --numcmpds 1 -c DataField -d MolID
          -o Sample1.sdf

AUTHOR
    Manish Sud <[e-mail]>

SEE ALSO
    InfoSDFiles.pl, JoinSDFiles.pl, MolFilesToSD.pl, SDToMolFiles.pl

COPYRIGHT
    Copyright (C) 2015 Manish Sud. All rights reserved.

    This file is part of MayaChemTools.

    MayaChemTools is free software; you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; either version 3 of the License, or (at
    your option) any later version.