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Short:File indexing and search utilities.
Author:Wizardry and Steamworks
Uploader:"Wizardry and Steamworks" <mail grimore org>
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             Hunt & Gather - File search and indexing utilities.
                    (or Hunt'n'Gather bro, ghetto style)

                © Copyright 2021 by Wizardry and Steamworks

           Released under the MIT License, all rights reserved.

-=:[ Changes ]:=-

	* Compile pattern only once before searching through files.

-=:[ Introduction ]:=-

    "Hunt" and "Gather" are two utiltities for indexing and then searching
    fileswithin a drive or directory designed to speed up searching files.

    The "Gather" utility is meant to index any path and generate a search
    database. The "Hunt" utility will then open the database generated by
    Gather and look for files matching the string provided to "Hunt" as

    The utility was designed to check large collections of icons but the
    indexing and the fast search results proved indispensable enough for a
    self-standing program.

-=:[ Design ]:=-

    "Hunt" and "Gather" are designed with constant memory usage in order
    to be suitable for all Amigas. Namely, the "Gather" utility will
    search all files in a given path, sort the files in ascending order by
    using an external file-based merge sort.

    Conversely, "Hunt" searchs files by reading lines from the database
    without loading the entire database in RAM or by searching files

    The project adheres to the ANSI C standard and Amiga-centric semantics
    are compiled conditionally (in case the "___AmigaOS__" macro is
    defined at compile time). Otherwise, "Hunt" and "Gather" should run
    under any platform that benefits from an ANSI C compiler.
    The project is developed from scratch on a real Amiga using StormC.

-=:[ Usage ]:=-

    The "Gather" utility is used to index a path. The following command:

    Gather -c RAM:

    will create a file in the S: directory named "gather.db". "Gather"is
    verbose by default and will show the user what the utility is doing
    but the behaviour can be changed with the "-q" (quiet) flag that will
    make "Gather" print only errors.

    In order to look for a file, the "Hunt" utility is then invoked with
    an AmigaOS search pattern, for instance, the pattern "#?test#?:

    Hunt #?test#?

    "Hunt" will then search the database previously generated by the
    "Gather" utility and will print out all the paths corresponding to the
    files matching the supplied pattern.
    In the previous example, in case any of the files previously indexed
    by "Gather" contain the term "test", then the "Hunt" utility will
    display the path to the file.
    At some point you might decide to add some other path to the search
    database as well. In that case, "Gather" would be invoked with the
    "-a" option instead of "-c" in order to add the files:
    Gather -a HDH0:Icons/
    "Gather" will then index the additional directory and add the new
    files to the database. Adding a path to the index database will
    require that "Gather" sorts the database again such that after adding
    the new files, "Gather" will proceed with sorting.
    Lastly, the "-r" parameter can be used with "Gather" to remove paths
    that have been previously indexed. Let's say that you have indexed the
    following paths with "Gather":
    but now you would like to remove the "RAM:" path and all the files
    indexed below that path. In that case, you would issue a "Gather"
    command with the "-r" parameter:
    Gather -r RAM:
    and "Gather" will remove all files matching the "RAM:" path. Removing
    a path with the "-r" parameter does not take a long time compared to
    adding files to the database.

-=:[ Gather ]:=-

    "Gather" requires that one of the following parameters is specified:
      * -a (add files to an already existing database),
      * -r (remove files from an already existing database),
      * -c (delete the previous database file and create a new database).

    The "Gather" utility takes several paths as parameters representing
    the paths to be indexed; for example, all the following paths are


    When the "Gather" utility runs, a database is created at "S:gather.db"
    containing all the found files.
    "Gather" is also happy to work with a different database file other
    than the default database at "S:gather.db" by passing the "-d"
    parameter when "Gather" is invoked. For instance, the following
    command invocation will create the database file at "T:gather.db" and
    index the paths "RAM:" and "HDH0:Icons":
    Gather -d T:gather.db RAM: HDH0:Icons
    Conversely, the "Hunt" utility can then be used to search specified
    database files:
    Hunt -d T:gather.db #?test?#
    The previous "Hunt" command will search a database file located at
    "T:gather.db" for all files matching the pattern "#?test?".

-=:[ Hunt ]:=-

    "Hunt" is the counterpart to "Gather" and will search a given database
    generated by the "Gather" utility for files matching the terms passed
    to "Hunt" on the command line.

    For instance:

	Hunt #?test#?

    will search all files in the "Gather" database "S:gather.db" for the
    term "test". If any file within the database partially matches the
    term "test", then "Hunt" will display the path on the command line.
    "Hunt" uses AmigaOS pattern for matching the file names on AmigaOS.

-=:[ Notes ]:=-

    * The "Gather" utility will be slow and that is the intended
      behaviour: slow indexing with "Gather", fast searching with "Hunt".
    * Temporary files might end up created in the same location where the
      "Gather" utility is invoked. Traditionally the temporary directory
      on AmigaOS is mainted in RAM but "Gather" cannot use RAM since it
      intends to index very large hierarchies. Fortunately, "Gather"will 
      delete the temporary files once "Gather" is done indexing.
      Nevertheless, in case you intend to index a large filesystem
      hierarchy please make sure that you invoke "Gather" from a directory
      that is able to hold large temporary files.

    * The output of the "Hunt" utility can be combined with the pipe
      operator (in newer AmigaOS releases) or the PIPE: handler on older
      AmigaOS releases in order to to perform some action on the found
      files. For example, using Thomas Radtke's "from" utility located at:
      and the Workbench 3.2 "MD5Sum" utility, you could print out the MD5
      hashes of all files indexed by "Gather" ending in "#?.library:
      Hunt #?.library | from - md5sum $1
      Or you could generate a list of versions of all libraries indexed
      with the "Gahter" utility:
      Hunt #?.library | from - version $1
-=:[ Source ]:=-

    The project is open sourced and licensed under MIT. The source code
    is included in the AmiNET release or can be checked out via subversion
    from the Wizardry and Steamworks repository:
    svn co
    StormC was used as the developer environment.
-=:[ Mentions ]:=-

    The code includes a shim for "getopt" in order to process command line
    parameters on AmigaOS just like one would on a POSIX sytem. The shim
    is  created by Daniel J. Barrett, barrett at and is
    available on AmiNET:
-=:[ Contact ]:=-


office at 3wymlmcsvxiaqzmbepsdawqpk6o2qsk65jhms72qqjulk5u4bgmvs3qd.onion




Contents of util/dir/HuntnGather.lha
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[Amiga]                   1524    2058  74.1% -lh5- e2c3 Dec 31 05:11 Hunt & Gather/
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[Amiga]                   1057    2362  44.8% -lh5- 99d6 Dec 31 02:05 Hunt & Gather/Hunt & Gather.doc
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[Amiga]                    602    1739  34.6% -lh5- 3fc2 Dec 31 05:11 Hunt & Gather/Install
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[Amiga]                   1899    2914  65.2% -lh5- 69ac Dec 31 05:11 Hunt & Gather/
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