path: root/windows/tools/h5repack/h5repack.bat

@echo off
rem

rem Copyright by The HDF Group.

rem Copyright by the Board of Trustees of the University of Illinois.

rem All rights reserved.

rem

rem This file is part of HDF5.  The full HDF5 copyright notice, including

rem terms governing use, modification, and redistribution, is contained in

rem the files COPYING and Copyright.html.  COPYING can be found at the root

rem of the source code distribution tree; Copyright.html can be found at the

rem root level of an installed copy of the electronic HDF5 document set and

rem is linked from the top-level documents page.  It can also be found at

rem http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have

rem access to either file, you may request a copy from help@hdfgroup.org.

rem

rem Tests for the h5repack tool

rem

rem    Created:  Scott Wegner, 8/28/07

rem    Modified:

rem


setlocal enabledelayedexpansion
pushd %~dp0

set h5pubconf=%CD%\..\..\src\h5pubconf.h

rem On Windows, the function :detect_filter sets these for us

call :detect_filter szip
call :detect_filter deflate
call :detect_filter shuffle
call :detect_filter fletcher32
call :detect_filter nbit
call :detect_filter scaleoffset

rem The tool name

set h5repack=h5repack%2
rem The path of the tool binary

set h5repack_bin=%CD%\..\%h5repack%\%1\%h5repack%

rem The h5diff tool name

set h5diff=..\h5diff%2\%1\h5diff%2
rem The path of the h5diff tool binary

set h5diff_bin=%CD%\%h5diff%

rem The h5dump tool name

set h5dump=..\h5dump%2\%1\h5dump%2
rem The path of the h5dump tool binary

set h5dump_bin=%CD%\%h5dump%

set h5detectszip=testh5repack_detect_szip%2
set h5detectszip_bin=%CD%\..\testfiles\%h5detectszip%\%1\%h5detectszip%


set info_file=testfiles\h5repack.info

set file0=h5repack_fill.h5
set file1=h5repack_objs.h5
set file2=h5repack_attr.h5
set file3=h5repack_hlink.h5
set file4=h5repack_layout.h5
set file5=h5repack_early.h5
set file7=h5repack_szip.h5
set file8=h5repack_deflate.h5
set file9=h5repack_shuffle.h5
set file10=h5repack_fletcher.h5
set file11=h5repack_filters.h5
set file12=h5repack_nbit.h5
set file13=h5repack_soffset.h5
rem A file with an older version of the layout message (copy of test/tlayouto.h5)

set file14=h5repack_layouto.h5
set file15=h5repack_named_dtypes.h5
rem located in common testfiles folder

set file16=tfamilyPERCENT05d.h5
set file18=h5repack_layout2.h5


set nerrors=0
set verbose=yes


goto main


rem Print a line-line message left justified in a field of 70 characters

rem beginning with the word "Testing".

rem

:testing
    set test_msg=Testing
    for %%a in (%*) do (
        if %%a neq PASSED (
        if %%a neq *FAILED* (
            set test_msg=!test_msg! %%~nxa
        ) )
    )
    rem We need to replace PERCENT here with "%" for tests that use a percent

    rem sign.  --SJW 5/12/08

    set test_msg=!test_msg:PERCENT=%%!                                                                

    echo.%test_msg:~0,69% %1

    

    exit /b



    

rem Print a line-line message left justified in a field of 70 characters

rem beginning with the word "Verifying".

rem

:verify

    set test_msg=Verifying h5diff output

    for %%a in (%*) do (

        if %%a neq PASSED (

        if %%a neq *FAILED* (

            set test_msg=!test_msg! %%~nxa

        ) )

    )

    rem We need to replace PERCENT here with "%" for tests that use a percent
    rem sign.  --SJW 5/12/08
    set test_msg=!test_msg:PERCENT=%%!                                                                
    echo.%test_msg:~0,69% %1
    
    exit /b

    
rem Print a message that a test has been skipped (because a required filter

rem was unavailable)

:skip
    call :testing -SKIP- %h5repack% %*
    exit /b
    
    
rem Call the h5diff tool

rem

:difftest
    set params=%*
    %h5diff_bin% -q !params:PERCENT=%%!
    if !errorlevel! neq 0 (
        call :verify *FAILED* %*
        set /a nerrors=!nerrors!+1
    ) else (
        call :verify PASSED %*
    )
    
    exit /b
    
    
rem Call h5repack

rem


rem call TOOLTEST_MAIN and delete $output file

:tooltest

    call :tooltest_main %*
    set outfile=%CD%\out.%1
    del /f %outfile%
    
    exit /b

rem TOOLTEST main function, doesn't delete $output file

:tooltest_main

    rem Run test.
    set infile=%CD%\testfiles\%1
    rem Linux uses a $path variable here, but it is unneccessary, and will
    rem corrupt our Windows PATH if we use it.  --SJW 8/28/07
    rem set path=%CD%
    rem set outfile=%path%\out.%1
    set outfile=%CD%\out.%1
    
    rem We define %params% here because Windows `shift` command doesn't affect
    rem the %* variable.  --SJW 8/28/07
    if "%2"=="" (

        set params=

    ) else (

        set params=%*

        set params=!params:* =!

    )

    %h5repack_bin% %params% %infile% %outfile%

    

    if !errorlevel! neq 0 (

        call :testing *FAILED* %*

        set /a nerrors=!nerrors!+1

    ) else (

        call :testing PASSED %*

        call :difftest %infile% %outfile%

    )

    

    exit /b



rem ------------------------------------------

rem Verifying layouts of a dataset 

:verify_layout_dset



    rem Run test.

    set outfile=%CD%\out.%1

    set layoutfile=%CD%\layout.%1

    set dset=%2

    set expectlayout=%3

    

    rem ---------------------------------

    rem check the layout from a dataset

    %h5dump_bin% -d %dset% -pH %outfile% > %layoutfile%

    findstr /c:"%expectlayout%" %layoutfile% > nul
    if !errorlevel! neq 0 (
        call :verify *FAILED* %*
        set /a nerrors=!nerrors!+1
    ) else (
        call :verify PASSED %*
    )

    rem clean up tmp files
    del /f %outfile%
    del /f %layoutfile%
    
    exit /b

rem----------------------------------------

rem Verifying layouts from entire file

:verify_layout_all

    rem Run test.
    set outfile=%CD%\out.%1
    set layoutfile=%CD%\layout.%1
    set expectlayout=%2
    
    rem ---------------------------------
    rem check the layout from a dataset
    rem check if the other layouts still exsit
        rem if CONTIGUOUS
        if "%expectlayout%"=="CONTIGUOUS" (

            %h5dump_bin% -pH %outfile% > %layoutfile%

            findstr /c:"COMPACT" %layoutfile% > nul

            if !errorlevel! neq 0 (

                findstr /c:"CHUNKED" %layoutfile% > nul

                if !errorlevel! equ 0 (

                    call :verify *FAILED* %*

                    set /a nerrors=!nerrors!+1

                ) else (

                    call :verify PASSED %*

                )

            ) else (

                call :verify *FAILED* %*

                set /a nerrors=!nerrors!+1

            )

        ) else (

            rem if COMPACT

            if "%expectlayout%"=="COMPACT" (
                %h5dump_bin% -pH %outfile% > %layoutfile%
                findstr /c:"CHUNKED" %layoutfile% > nul
                if !errorlevel! neq 0 (
                    findstr /c:"CONTIGUOUS" %layoutfile% > nul
                    if !errorlevel! equ 0 (
                        call :verify *FAILED* %*
                        set /a nerrors=!nerrors!+1
                    ) else (
                        call :verify PASSED %*
                    )
                ) else (
                    call :verify *FAILED* %*
                    set /a nerrors=!nerrors!+1
                )
            ) else (
                rem if CHUNKED
                if "%expectlayout%"=="CHUNKED" (

                    %h5dump_bin% -pH %outfile% > %layoutfile%

                    findstr/c:"CONTIGUOUS" %layoutfile% > nul

                    if !errorlevel! neq 0 (

                        findstr /c:"COMPACT" %layoutfile% > nul

                        if !errorlevel! equ 0 (

                            call :verify *FAILED* %*

                            set /a nerrors=!nerrors!+1

                        ) else (

                            call :verify PASSED %*

                        )

                    ) else (

                        call :verify *FAILED* %*

                        set /a nerrors=!nerrors!+1

                    )

                )

           )

        )



    rem clean up tmp files

    del /f %outfile%

    del /f %layoutfile%

    

    exit /b

    

rem Call h5repack with old syntax

rem

:tooltest0



    rem Run test.

    set infile=%CD%\testfiles\%1

    rem Linux uses a $path variable here, but it is unneccessary, and will

    rem corrupt our Windows PATH if we use it.  --SJW 8/28/07

    rem set path=%CD%

    rem set outfile=%path%\out.%1

    set outfile=%CD%\out.%1

    

    rem We define %params% here because Windows `shift` command doesn't affect

    rem the %* variable.  --SJW 8/28/07

    if "%2"=="" (
        set params=
    ) else (
        set params=%*
        set params=!params:* =!
    )
    %h5repack_bin% -i %infile% -o %outfile% %params%
    
    if !errorlevel! neq 0 (
        call :testing *FAILED* %*
        set /a nerrors=!nerrors!+1
    ) else (
        call :testing PASSED %*
        call :difftest %infile% %outfile%
    )
    del /f %outfile%
    
    exit /b
    
rem same as TOOLTEST, but it uses the common testfiles at $srcdir/../testfiles/

rem used to test the family driver, where these files reside

rem

:tooltest1 

    rem Run test.
    set infile=%CD%\..\testfiles\%1
    rem Linux uses a $path variable here, but it is unneccessary, and will
    rem corrupt our Windows PATH if we use it.  --SJW 8/28/07
    rem set path=%CD%
    rem set outfile=%path%\out.%1
    set outfile=%CD%\out.%1
    
    rem We define %params% here because Windows `shift` command doesn't affect
    rem the %* variable.  --SJW 8/28/07
    if "%2"=="" (

        set params=

    ) else (

        set params=%*

        set params=!params:* =!

    )

    %h5repack_bin% %params% !infile:PERCENT=%%! !outfile:PERCENT=%%!

    

    if !errorlevel! neq 0 (

        call :testing *FAILED* %*

        set /a nerrors=!nerrors!+1

    ) else (

        call :testing PASSED %*

        call :difftest %infile% %outfile%

    )

    del /f !outfile:PERCENT=%%!

    

    exit /b



    

rem This is a Windows-specific function that detects if the filter passed

rem should be enabled for this test script.  It searches H5pubconf.h for the

rem string "#define H5_HAVE_FILTER_%1" and sets the variable "use_filter_%1"

rem accordingly.  On other platforms, this variable is set in the Makefile.

rem If we find a better way to test this in the future, we should use it.

rem --SJW 9/4/07

:detect_filter

    findstr /b /i /c:"#define H5_HAVE_FILTER_%1" %h5pubconf% > nul
    if !errorlevel! equ 0 (
        set use_filter_%1=yes
    ) else (
        set use_filter_%1=no
    )
    
    exit /b


rem

rem The tests

rem We use the files generated by h5repacktst

rem Each run generates "<file>.out.h5" and the tool h5diff is used to

rem compare the input and output files

rem

rem the tests are the same as the program h5repacktst, but run from the CLI 

rem

:main

    rem See which filters are usable (and skip tests for filters we
    rem don't have).  Do this by searching H5pubconf.h to see which
    rem filters are defined.

    rem detect whether the encoder is present. 
    set use_filter_szip_encoder=no
    if "%use_filter_szip%"=="yes" (

        for /f %%a in ('%h5detectszip_bin%') do set use_filter_szip_encoder=%%a

    )



    rem copy files (these files have no filters) 

    call :tooltest %file0%

    call :tooltest %file1%

    call :tooltest %file2%

    call :tooltest %file3%

    call :tooltest %file4%

    call :tooltest %file5%





    rem use %file4% to write some filters  (this file has  no filters)



    rem gzip with individual object

    set arg=%file4% -f dset1:GZIP=1  -l dset1:CHUNK=20x10

    if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )
      
    rem gzip for all 
    set arg=%file4% -f GZIP=1
    if not "%use_filter_deflate%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem szip with individual object

    set arg=%file4% -f dset2:SZIP=8,EC  -l dset2:CHUNK=20x10

    if not "%use_filter_szip_encoder%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_szip%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem szip for all

    set arg=%file4% -f SZIP=8,NN

    if not "%use_filter_szip_encoder%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_szip%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg% 

    )



    rem shuffle with individual object

    set arg=%file4% -f dset2:SHUF  -l dset2:CHUNK=20x10

    if not "%use_filter_shuffle%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg% 
    )
      

    rem shuffle for all
    set arg=%file4% -f SHUF
    if not "%use_filter_shuffle%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )

      

    rem fletcher32  with individual object

    set arg=%file4% -f dset2:FLET  -l dset2:CHUNK=20x10

    if not "%use_filter_fletcher32%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem fletcher32 for all
    set arg=%file4% -f FLET
    if not "%use_filter_fletcher32%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem all filters

    set arg=%file4% -f dset2:SHUF -f dset2:FLET -f dset2:SZIP=8,NN -f dset2:GZIP=1 -l dset2:CHUNK=20x10

    rem On Windows we must check each filter individually, because we don't have

    rem -o flag like Linux.  --SJW 8/28/07

    if not "%use_filter_szip_encoder%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_szip%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_shuffle%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_fletcher32%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )
      
    rem ##########################################################
    rem  the following tests assume the input files have filters
    rem ##########################################################

    rem szip copy
    set arg=%file7%
    if not "%use_filter_szip_encoder%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_szip%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )
      
    rem szip remove
    set arg=%file7% --filter=dset_szip:NONE
    if not "%use_filter_szip_encoder%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_szip%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )
      
    rem deflate copy
    set arg=%file8%
    if not "%use_filter_deflate%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem deflate remove

    set arg=%file8% -f dset_deflate:NONE

    if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )
        
    rem shuffle copy
    set arg=%file9%
    if not "%use_filter_shuffle%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem shuffle remove

    set arg=%file9% -f dset_shuffle:NONE

    if not "%use_filter_shuffle%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem fletcher32 copy
    set arg=%file10%
    if not "%use_filter_fletcher32%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem fletcher32 remove

    set arg=%file10% -f dset_fletcher32:NONE

    if not "%use_filter_fletcher32%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem nbit copy
    set arg=%file12%
    if not "%use_filter_nbit%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem nbit remove

    set arg=%file12% -f dset_nbit:NONE

    if not "%use_filter_nbit%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem nbit add
    set arg=%file12% -f dset_int31:NBIT
    if not "%use_filter_nbit%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem scaleoffset copy

    set arg=%file13%

    if not "%use_filter_scaleoffset%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem scaleoffset add
    set arg=%file13% -f dset_none:SOFF=31,IN
    if not "%use_filter_scaleoffset%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem scaleoffset remove

    set arg=%file13% -f dset_scaleoffset:NONE

    if not "%use_filter_scaleoffset%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem remove all  filters
    set arg=%file11% -f NONE
    if not "%use_filter_fletcher32%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_szip%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_szip_encoder%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_shuffle%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_nbit%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_scaleoffset%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem filter conversions



    set arg=%file8% -f dset_deflate:SZIP=8,NN

    if not "%use_filter_szip_encoder%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_szip%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg% 
    )

    set arg=%file7% -f dset_szip:GZIP=1
    if not "%use_filter_szip_encoder%"=="yes" (

        call :skip %arg%

    ) else if not "%use_filter_szip%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_deflate%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg% 

    )





    rem limit

    set arg=%file4% -f GZIP=1 -m 1024

    if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest %arg%
    )

    rem file
    set arg=%file4% -e %info_file%
    if not "%use_filter_deflate%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )





    rem ########################################################

    rem  layout options (these files have no filters)

    rem ########################################################



    call :tooltest_main %file4% --layout=dset2:CHUNK=20x10

    call :verify_layout_dset %file4% dset2 CHUNKED

    call :tooltest_main %file4% -l CHUNK=20x10

    call :verify_layout_all %file4% CHUNKED

    call :tooltest_main %file4% -l dset2:CONTI

    call :verify_layout_dset %file4% dset2 CONTIGUOUS

    call :tooltest_main %file4% -l CONTI

    call :verify_layout_all %file4% CONTIGUOUS

    call :tooltest_main %file4% -l dset2:COMPA

    call :verify_layout_dset %file4% dset2 COMPACT

    call :tooltest_main %file4% -l COMPA

    call :verify_layout_all %file4% COMPACT





    rem ###############################################################

    rem  layout conversions (file has no filters)

    rem ##############################################################



    set arg1=%file4% -l dset_compact:CONTI

    set arg2=%file4% -l dset_compact:CHUNK=2x5

    set arg3=%file4% -l dset_compact:COMPA

    set arg4=%file4% -l dset_contiguous:COMPA

    set arg5=%file4% -l dset_contiguous:CHUNK=3x6

    set arg6=%file4% -l dset_contiguous:CONTI

    set arg7=%file4% -l dset_chunk:COMPA

    set arg8=%file4% -l dset_chunk:CONTI

    set arg9=%file4% -l dset_chunk:CHUNK=18x13

    call :tooltest_main %arg1%

    call :verify_layout_dset %file4% dset_compact CONTIGUOUS

    call :tooltest_main %arg2%

    call :verify_layout_dset %file4% dset_compact CHUNKED

    call :tooltest_main %arg3%

    call :verify_layout_dset %file4% dset_compact COMPACT

    call :tooltest_main %arg4%

    call :verify_layout_dset %file4% dset_contiguous COMPACT

    call :tooltest_main %arg5%

    call :verify_layout_dset %file4% dset_contiguous CHUNKED

    call :tooltest_main %arg6%

    call :verify_layout_dset %file4% dset_contiguous CONTIGUOUS

    call :tooltest_main %arg7%

    call :verify_layout_dset %file4% dset_chunk COMPACT

    call :tooltest_main %arg8%

    call :verify_layout_dset %file4% dset_chunk CONTIGUOUS

    call :tooltest_main %arg9%

    call :verify_layout_dset %file4% dset_chunk CHUNKED



    rem test convert small size dataset ( < 1k) to compact layout without -m

    call :tooltest_main %file18% -l contig_small:COMPA

    call :verify_layout_dset %file18% contig_small COMPACT



    call :tooltest_main %file18% -l chunked_small_fixed:COMPA

    call :verify_layout_dset %file18% chunked_small_fixed COMPACT



    rem Native option

    rem Do not use FILE1, as the named dtype will be converted to native, and h5diff will

    rem report a difference.

    call :tooltest %file0% -n

    call :tooltest %file2% -n





    rem latest file format with long switches. use FILE4=h5repack_layout.h5 (no filters)

    set arg=%file4% --layout CHUNK=20x10 --filter GZIP=1 --minimum=10 --native --latest --compact=8 --indexed=6 --ssize=8[:dtype]

    if not "%use_filter_deflate%"=="yes" (
       call :skip %arg%
    ) else (
       call :tooltest_main %arg%
       call :verify_layout_all %file4% CHUNKED
    )

    rem latest file format with short switches. use FILE4=h5repack_layout.h5 (no filters)
    set arg=%file4% -l CHUNK=20x10 -f GZIP=1 -m 10 -n -L -c 8 -d 6 -s 8[:dtype]
    if not "%use_filter_deflate%"=="yes" (

       call :skip %arg%

    ) else (

       call :tooltest_main %arg%

       call :verify_layout_all %file4% CHUNKED

    )

    

    rem several global filters



    set arg=%file4% --filter GZIP=1 --filter SHUF

    if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else if not "%use_filter_shuffle%"=="yes" (

        call :skip %arg%

    ) else (

        call :tooltest %arg%

    )



    rem syntax of -i infile -o outfile

    rem latest file format with short switches. use FILE4=h5repack_layout.h5 (no filters)

    set arg=%file4% -l CHUNK=20x10 -f GZIP=1 -m 10 -n -L -c 8 -d 6 -s 8[:dtype]

    if not "%use_filter_deflate%"=="yes" (
        call :skip %arg%
    ) else (
        call :tooltest0 %arg%
    )
    
    rem add a userblock to file
    set arg=%file1% -u testfiles\ublock.bin -b 2048
    call :tooltest %arg%
    
    rem add alignment
    set arg=%file1% -t 1 -a 1
    call :tooltest %arg%

    rem Check repacking file with old version of layout message (should get upgraded
    rem       to new version and be readable, etc.)
    call :tooltest %file14%
    
    rem test for datum size > H5TOOLS_MALLOCSIZE
    set arg=%file1% -f GZIP=1
    call :tooltest %arg%
    
    rem Check repacking file with committed datatypes in odd configurations
    call :tooltest %file15%

    rem tests family driver (file is located in common testfiles folder, uses TOOLTEST1
    call :tooltest1 %file16%

    
    if %nerrors% equ 0 (
        echo.All %h5repack% tests passed.
    )
    
    popd
    endlocal & exit /b %nerrors%