Adding a registry key in windows with quotes needed in the data using a batch script

Question

Little Willis here. I am trying to using a batch script to edit an existing registry key that is used when double clicking a .jar file. The issue is that the data that I\'m tryi

Answer 1

Percent literals must be doubled in a batch file: \"%%1\" %%*"

Answer 2

Another alternative is to use single quotes, some applications can read it properly, example:

reg add "HKEY_LOCAL_MACHINE\Software\Classes\jarfile\shell\open\command" /v "" /t REG_EXPAND_SZ /d "'C:\Program Files\Java\jre7\bin\javaw.exe\' -jar '%1' %*" /f

Answer 3

as an addition to dbenham's answer, you should use backslaches and quotes for location path !!
(i mean, you should use "\"C:\Program Files..... instead of "C:\Program Files..... )

so this is the final answer for typical percent sign & adding problem:

reg add "HKEY_LOCAL_MACHINE\Software\Classes\jarfile\shell\open\command" /v "" /t REG_EXPAND_SZ /d "\"C:\Program Files\Java\jre7\bin\javaw.exe\" -jar \"%%1\"" /f

thanks dbenham!

Answer 4

Use backslashes to escape the inner quotes, i.e.:

reg add "HKEY_LOCAL_MACHINE\Software\Classes\jarfile\shell\open\command" /v "" /t REG_EXPAND_SZ /d "\"C:\Program Files\Java\jre7\bin\javaw.exe\" -jar \"%1\" %*" /f