Squirrel SQL Standard 3.4

for /f "delims=" %%x in ('dir /b *.tar.gz') do set setup=%%x
"%sevenzipa%\7za.exe" x "%setup%"
if %errorlevel% neq 0 exit %errorlevel%
del "%setup%"
if %errorlevel% neq 0 exit %errorlevel%

for /f "delims=" %%x in ('dir /b *.tar') do set setup=%%x
"%sevenzipa%\7za.exe" x %setup%
if %errorlevel% neq 0 exit %errorlevel%
del "%setup%"
if %errorlevel% neq 0 exit %errorlevel%

for /f "delims=" %%x in ('dir /b squirrel*') do set name=%%x
cd "%name%"        
for /f "delims=" %%a in ('dir /b') do (
  move "%%a" ..
)
cd ..
rmdir "%name%"