JSI Tip 10111. How can I determine the programs that are on a file extensions 'Open With' list?


When you right click a file in Windows Explorer, and press Open With, the file extensions 'Open With" list is displayed.

I have scripted OpenWith.bat to display the Programs that are configured in the 'Open With" list for the current user, like my .jpq 'Open With':

shimgvw.dll
mspaint.exe
agent.exe
Psp.exe
prntscrn.exe
iexplore.exe
PWConsole.exe
hpqthb08.exe
googleearth.exe
shimgvw.dll
Psp.exe
Using WhatPath.bat and OpenWith.bat, I have scripted a sample usage:
@echo off
if \{%1\}

\{\} @echo .FileExtension required&goto :EOF setlocal ENABLEDELAYEDEXPANSION set ext=%1 if "%ext:~0,1%" NEQ "." @echo .FileExtension required&endlocal&goto :EOF for /f "Tokens=*" %%a in ('OpenWith %ext%') do ( set prog=%%a call WhatPath !prog! FQFN @echo "%ext%";"!prog!";!FQFN! ) endlocal

This produces the following output for my .jpg extension:
".jpg";"shimgvw.dll";rundll32.exe C:\WINDOWS\system32\shimgvw.dll,ImageView_Fullscreen
".jpg";"mspaint.exe";"C:\WINDOWS\system32\mspaint.exe"
".jpg";"agent.exe";"agent.exe"
".jpg";"Psp.exe";"C:\PROGRA~1\PAINTS~1\Psp.exe"
".jpg";"prntscrn.exe";"prntscrn.exe"
".jpg";"iexplore.exe";"C:\Program Files\Internet Explorer\iexplore.exe"
".jpg";"PWConsole.exe";"PWConsole.exe"
".jpg";"hpqthb08.exe";"C:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe"
".jpg";"googleearth.exe";"C:\ProgramFiles\Google\Google"
".jpg";"shimgvw.dll";rundll32.exe C:\WINDOWS\system32\shimgvw.dll,ImageView_Fullscreen
".jpg";"Psp.exe";"C:\PROGRA~1\PAINTS~1\Psp.exe"
OpenWith.bat contains:
@echo off
if \{%1\}\{\} @echo Syntax OpenWith .Ext&goto :EOF 
setlocal ENABLEDELAYEDEXPANSION
set ext=%1
if "%ext:~0,1%" NEQ "." @echo Syntax OpenWith .Ext&endlocal&goto :EOF
set ext=%ext:"=%
set qry=reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\%ext%\OpenWithList"
set wrk="%TEMP%\OpenWith_%RANDOM%.TMP"
if exist %wrk% del /q %wrk%
call :quiet>nul 2>&1
set qry=reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\%ext%\OpenWithProgids"
call :qfile>nul 2>&1
if not exist %wrk% endlocal&goto :EOF
type %wrk%
del /q %wrk%
endlocal
goto :EOF
:quiet
for /f "Tokens=2*" %%a in ('%qry%^|find /i /V "MRUList"^|find "REG_SZ"') do (
 @echo %%b>>%wrk%
)
goto :EOF
:qfile
for /f "Tokens=1*" %%i in ('%qry%^|find "REG_NONE"') do (
  for /f "Tokens=*" %%k in ('ftype %%i^|find /i "%%i="') do (
   set ft=%%k
   set ft=!ft:"=!
   set ft=!ft:%%i=!
   for /f "Tokens=1-8 Delims=\ " %%s in ('@echo !ft!') do (
     call :ftx %%s %%t %%u %%v %%w %%x %%y %%z
   )
 )
)
goto :EOF
:ftx
if \{%1\}==\{\} goto :EOF
set ftx1=%1
shift
if /i \{%ftx1%\} EQU \{rundll32.exe\} goto ftx
set ftx2=%ftx1:.=%
if \{%ftx1%\} EQU \{%ftx2%\} goto ftx
@echo %ftx1%>>%wrk%



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