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shntool 3.0.10-1
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version 3.0.10 (2009-03-30)
  + cat mode: fixed bug that prevented use of the -d option
  + cat mode [win32]: properly write WAVE data to the terminal
  + conv mode [win32]: properly read WAVE data from the terminal

version 3.0.9 (2009-03-18)
  + allow fix mode to fix (essentially postpad) just one file, which is useful
    when using the -c option to check for boundary issues
  + added new global -F option to specify a file containing input filenames
    (most modes will now accept input filenames from a single source, using the
     following order of precedence: file specified by -F option, otherwise
     filenames on the command line, otherwise filenames read from the terminal)

version 3.0.8 (2008-08-27)
  + added new -a option to show default encoder/decoder arguments
  + fixed bug when prompting for overwrite action when stdin was
    already at EOF on certain platforms (e.g. OS X)
  + split mode: handle CUE sheets that contain Unicode BOMs
  + wv format: support self-extracting WavPack files

version 3.0.7 (2008-03-02)
  + support for TAK decoding (requires TAK 1.0.4+)
  + updated MPEG-4 ALS to version RM20, and added output support
  + removed detection of unsupported formats RKAU and WMA

version 3.0.6 (2007-12-16)
  + support for TAK encoding (requires TAK 1.0.3+)

version 3.0.5 (2007-10-22)
  + hash mode: show progress indicators
  + cmp mode: new -c option to specify size of byte-shift comparison buffer

version 3.0.4 (2007-09-07)
  + no longer ignore raw WavPack files (wvunpack creates WAVE header for us)
  + support for TTA 3.4.x as well as TTA encoding
  + fixed display bug in joined mode when input files were not CD-quality
  + split mode: new -m option to allow character manipulation of CUE filenames

version 3.0.3 (2007-06-01)
  + improved use of exit codes
  + mkw format: removed deprecated input kluge
  + split mode: override path separation characters in CUE-generated files

version 3.0.2 (2007-02-18)
  + split mode: -c option works again
  + split mode: support wider range of CUE sheets
  + aiff format: support for sox 13.x

version 3.0.1 (2007-01-24)
  + fixed bug with WavPack format detection on 64-bit systems
  + split mode: fixed bug parsing CUE sheets whose last line lacks a newline
  + added support for MKW files
  + added support for MPEG-4 ALS files (input only)
  + added support for detection of TAK files (no input or output yet)
  + added support for detection of WMA files (no input or output yet)
  + added support for detection of RKAU files (no input or output yet)

version 3.0.0 (2007-01-01)

  [platform support]
  + shntool is now a native windows executable (Cygwin is no longer needed)

  [file formats]
  + added support for WavPack 4.x files
  + added support for m4a (Apple Lossless Audio Codec) files (input only)
  + added support for la (Lossless Audio) files (input only)
  + added support for tta files (input only)
  + added support for bonk files
  + added support for kxs (Kexis) files (input only)
  + added new format 'term' to send output to a terminal (standard output)
  + cust format: correct output filenames now shown (instead of "file.custom")
  + cust format: partially-written output files are now removed on error

  [modes]
  + added new mode 'gen' to generate arbitrary-sized files containing silence
  + added new mode 'trim' to trim silence from front and/or back of files
  + renamed mode 'md5' to 'hash', since it now calculates MD5 and SHA1 hashes
  + hash mode: added option to reorder filenames - may be useful with -c
  + split mode: new -n option to control output count format (01, 001, ...)
  + split mode: support for wider range of CUE sheets
  + split mode: new -t option to name files based on keywords in CUE sheets
  + split mode: fixed bug in which -l option failed with large input files
  + split mode: new -e/-u options for specifying lead-in/lead-out
  + split mode: new -x option to extract specific tracks
  + len mode: show compression ratio for individual files as well as overall
  + len mode: show input file format for each file
  + len mode: new -c/-t options to suppress column names/totals line
  + len mode: configurable units for files and totals
  + conv mode: new -t option to convert WAVE data read from the terminal
  + fix, join and hash modes: filenames can now be sorted automatically using
    a natural sorting algorithm, which orders filenames containing numbers the
    the same way a human would, e.g. "t1.wav, t2.wav, ... t10.wav" instead of
    "t1.wav, t10.wav, t2.wav, ...".  as this was taken from the sources of GNU
    ls (see 'ls -v'), it is considered stable enough to be the default.
    if desired, sorting can still be done interactively, or not at all.

  [global behavior]
  + user-configureable progress types (percentage, dots, spin, faces or none)
  + default overwrite option is now 'ask' - can be overridden with -O option
  + allow on-the-fly renaming when files exist and overwrite option is 'ask'
  + new -H option to show h:mm:ss.{ff,nnn} in output, instead of m:ss.{ff,nnn}
  + new -a and -z options to override default file name prefix and postfix
  + new options -w to suppress warnings and -q to suppress non-critical output
  + converted to getopt - this means long options have become single characters
  + alternate input decoder: -i "fmt decoder [arg1 ... argN]"
  + alternate output ext/encoder: -o "fmt [ext=abc] [encoder [arg1 ... argN]]"
  + in addition to the new -i/-o options above, default encoders/decoders
    and/or their arguments, as well as file extensions, can be overridden
    using any combination of appropriately named environment variables:

      ST_<format>_DEC="decoder [arg1 ... argN]"
      ST_<format>_ENC="[ext=abc] [encoder [arg1 ... argN]]"

    e.g.:

      % ST_SHN_DEC="shorten-2.3b" shntool len *.shn
      % ST_FLAC_ENC="flake - %f" shntool conv -o flac *.wav
      % ST_AIFF_ENC="ext=aif" shntool gen -o aiff -l 1:00

version 2.0.3 (2004-05-05)
  + fixed bug in len mode that sometimes caused the m:ss.ff value on the totals
    line to be reported as being one second longer than it actually is - this
    should finally resolve all variants of this bug, which was discovered after
    2.0.0 was released, thought to have been fixed in 2.0.1, and has since been
    determined to have existed from version 0.96 onward
  + len and info modes now indicate whether audio data is block-aligned

version 2.0.2 (2004-05-04)
  + fixed crash when using -stdout in join mode without specifying an output
    format

version 2.0.1 (2004-05-03)
  + fixed bug in len mode that sometimes caused the m:ss.ff value on the totals
    line to be reported as being one second shorter than it actually is

version 2.0.0 (2004-04-20)
  + added new mode 'pad' to individually prepad or postpad CD-quality files
  + added new mode 'cue' to generate CUE sheets or split points from files
  + split mode now supports simple CUE sheets for splitting
  + added "-l len" option in split mode to split file into smaller files
    based on multiples of time interval "len"
  + added -c option to md5 mode for calculating composite MD5 fingerprints
  + added the ability to prepad or postpad files created in join mode
  + added support for sowt-compressed AIFF-C files (requires sox 12.17.4)
  + added the ability to skip ID3v2 tags contained in files or input streams:
     - formats with decoders that natively handle ID3v2 tags:  shn, flac, ape
     - formats that handle ID3v2 tags through clever trickery:  wav, aiff, ofr
     - formats that currently cannot handle ID3v2 tags: lpac, wv
  + added -O option to all modes that create output files, so that the user can
    control whether output files that already exist are overwritten
  + len mode modified to always show overall compression ratio
  + new column in len mode to indicate whether files contain an ID3v2 tag
  + changed length format for non-CD quality files from m:ss to m:ss.nnn
  + several additions and updates to the information shown by info mode
  + all modes now accept the -D option, which enables debugging information
  + modes that create files now remove partially-written output files on error
    (does not apply to the cust format module, since filename cannot be trusted)
  + updates to handle NULL-padding of odd-sized data chunks, per RIFF specs
  + fixed nasty bug in conv mode that caused some input files to be overwritten
  + fixed split mode m:ss.nnn bug that ignored nnn when file was not CD quality

version 1.2.3 (2003-03-20)
  + split mode will now split any file, not just CD-quality ones
  + cat mode now accepts multiple filenames
  + fixed bug in split mode where split point files with Windows line endings
    were considered invalid

version 1.2.2 (2003-02-22)
  + fixed bug in md5 mode that caused extra RIFF chunks to inadvertently be
    included in the calculation of MD5 fingerprints
  + relaxed the file name placeholder requirement for the cust format module
    (the '%f' placeholder can now be a substring of an argument)

version 1.2.1 (2003-02-17)
  + added new mode 'md5' (computes MD5 hash of audio data, independent of format)
  + added support for wv (WavPack) file format
  + added new output format module 'cust' that allows one to specify a custom
    encoder to use in the creation of output files - this enables the user to
    override the default encoder arguments for formats that shntool already
    supports, as well as encode to formats that shntool does not yet support

version 1.2.0 (2002-12-07)
  + info mode now supports extra per-format information (currently this is used
    to indicate seekability of shn files)
  + join mode now supports joining of non-CD quality files

version 1.2.0-rc2 (2002-10-31)
  + overall compression ratio shown in len mode if all input files are compressed
  + fixed bug in fix mode that caused shntool to hang in rare instances
  + added support for ofr (OptimFROG) and lpac file formats

version 1.2.0-rc1 (2002-09-12)
  + added support for aiff, flac and ape file formats; dropped kexis support
    (aiff format supports only AIFF and uncompressed AIFF-C, not compressed AIFF-C)
  + added new mode 'conv' (converts files from one format to another)
  + improved functionality in cmp mode (new -s, -l and -f options)
  + join mode can now write to stdout (only with 'wav' output format)
  + shntool now waits for child processes (prevents shorten 3.4/md5sum race condition)
  + fixed bug in join mode that caused output file to have incorrect data size
    when the data was not sector-aligned, and -nopad was specified
  + some debugging output now shown if SHNTOOL_DEBUG environment variable is set
    (currently limited to the status of child processes - useful if shntool is hanging)

version 1.01 (2001-01-23)
  + fixed rounding error in len and info modes that caused certain
    non-sector-boundary-aligned CD-quality files to appear to be about one
    second shorter than they actually are.  For example, a file that was just
    over half of a frame longer than 3:14.74 would have been incorrectly rounded
    to 3:14.00, when it should have been rounded to 3:15.00.  The error occurred
    when the WAVE data size modulo 176400 fell in the range [175224, 176399].
    Assuming that the data sizes of non-sector-aligned CD-quality WAVE files are
    uniformly distributed, the chance of this error occurring is just over 1 in
    150 (1176 in 176325, to be exact).
  + removed arbitrary 4-byte file size cutoff

version 1.00 (2001-01-13)
  + fixed offset miscalculation in cmp mode for files that differ
  + fixed design error in cat mode where extra RIFF chunks were not output.
    If cat mode was used to extract a file (e.g. shncat file.shn > file.wav),
    then the output file would appear to be truncated to len mode.  Extra RIFF
    chunks can be still suppressed if needed via the new -nr switch.
  + cat mode now quits when nothing more would be output
  + minor documentation and output updates

version 1.00 beta 9 (2001-01-08)
  + added 'r' shift type to fix mode (round to nearest sector boundary)
  + added new mode 'cmp' (compares WAVE data in two files)
  + added -c switch to split mode
  + now only installs symbolic links for specified built-in modes
  + finally wrote a "tutorial"
  + generalized the file order editor, and added more useful commands to it
  + added -nd switch to cat mode

version 1.00 beta 8 (2001-01-05)
  + split mode erroneous input bug fixed
  + minor code cleanup and (hopefully) improved alias installation

version 1.00 beta 7 (2001-01-05)
  + Digital Unix 4.0D compile fix and a 64-bit-architecture header size
    calculation fix
  + added new mode 'split'
  + shortened some command-line arguments in certain modes

version 1.00 beta 6 (2001-01-03)
  + added new mode 'cat'
  + each mode is now aliased to "shn<mode>", e.g. shnlen, shnfix, shncat, etc.
  + cleaned up all errors reported by gcc -Wall

version 1.00 beta 5 (2001-01-01)
  + fixed display errors when using aliases

version 1.00 beta 4 (2001-01-01)
  + added support for conditional compilation of modules
    (see the INSTALL file for more information)

version 1.00 beta 3 (2000-12-31)
  + converted to GNU autoconf

version 1.00 beta 2 (2000-12-28)
  + reimplemented mode aliasing, e.g. creating a symbolic link to shntool named
    'shnlen' will start shntool in len mode

version 1.00 beta 1 (2000-12-23)
  + completely rewritten to be more modular
  + added three new modes - 'join', 'strip' and 'info'
  + see the README file for more information

version 0.98 (2000-11-22, never released)
  + started improving some things, but gave up in favor of a full code redesign

version 0.97a (2000-11-22)
  + fixed help screen bug

version 0.97 (2000-11-21)
  + cleaned up and corrected help screens
  + check whether files are 'CD-quality', and report if they are not
  + display file length in m:ss.ff format only if it is CD-quality, and
    print totals line in m:ss.ff format only if all files were CD-quality -
    otherwise, display file length in m:ss format
  + check that all files are CD-quality before proceeding in fix mode
  + check that at least one file has an error before proceeding in fix mode
  + some code cleanup
  + realized that this thing is due for a rewrite  :^)

version 0.96 (2000-11-18)
  + now report file length in m:ss.ff format, where ff is a number from 0 to 74
    that best approximates the remaining number of 2352-byte blocks after m:ss
  + more error and sanity checking for input files

version 0.95 (2000-10-19)
  + fixed bug where chunk size wasn't being updated for files that were altered in fix mode
  + added code to help determine whether shorten is in the default path
  + WAVE data for headers in .wav (not .shn) files are now verified
  + added extra debugging information in len mode
  + file names created in fix mode are now based on input filenames when -f or -b are given

version 0.94 (2000-08-24)
  + added option to pad the last file with zeroed data in fix mode, if necessary

version 0.93 (2000-07-06)
  + I partially broke file reading from stdin in len mode in 0.92 - fixed.
  + cleaned up code to use the file_info struct for the filename wherever possible
  + added error checking after some malloc's
  + made some error messages more descriptive with regard as to why they may have happened
  + added a generic bug_report() routine (may want to add some diagnostic info to it later)
  + changed all // comments to standard comments to satisfy some bitchy compilers  :)

version 0.92 (2000-07-04)
  + added setlinebuf() support for architectures that don't have it
    (via the "-D_SETLINEBUF_HACK" compiler option)
  + added description of the len mode "-debug" flag to its help menu

version 0.91 (2000-07-04)
  + WAVE headers are processed correctly again
  + added "-debug" switch for len mode
  + fixed segfaults with headers > 64 bytes

version 0.9 (2000-07-03)
  + initial public release

version 0.03 (2000-07-02)
  + all major bugs seem to be worked out, only minor cosmetic
    issues remain

version 0.02 (2000-07-01)
  + started merging shnlen with fixwav to form a unified tool

version 0.01 (2000-06-30)
  + some ideas coalesced, and development started on fixwav