-Parameters in button bar->button not working

[Wesley.Chan]

I created a button in the button bar.
I set the command to

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cmd.exe

Then I set the parameters to

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/k set PATH=C:\MinGW\bin;%PATH%

Save and exit. Activate this button. A command line window shows up.
I input

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echo %PATH%

and press enter. It says

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C:\MinGW\bin\;C:\msys\opt\bin\ATH

Thats incorrect.

Now I'm doing in another way.
I set the command to

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cmd.exe /k set PATH=C:\MinGW\bin;%PATH%

And leave the Parametes blank.
Save and exit. Activate it again and give the same command. It says

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C:\MinGW\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\ProgramFiles\SlikSvn\bin;C:\Program Files\Mercurial\;C:\Program Files\TortoiseHg\;C:\Program Files\TortoiseSVN\bin

That's fine.

So, please fix it. Thank you for your time.

[pikadung]

this is not a bug because the "%P" is specified as a command line parameter. use "%%" in order to insert percent-sign in the parameter field.

[MVV]

Wesley.Chan,
Environment variables in Parameters field are not supported. Also, %P in parameters is expanded to active panel's path (press F1 in buttonbar configure dialog to read about all %-parameters). You need to use your second case with envvar in Command field, or double % characters as pikadung suggested, but note that in such case TC will pass exact %PATH% string to a program and it will be responsible in expanding variable (CMD supports it so it should work).

[ghisler(Author)]

Indeed this isn't a bug, but different handling of the % character in the command and parameters field.

[Wesley.Chan]

Wesley.Chan,
Environment variables in Parameters field are not supported. Also, %P in parameters is expanded to active panel's path (press F1 in buttonbar configure dialog to read about all %-parameters). You need to use your second case with envvar in Command field, or double % characters as pikadung suggested, but note that in such case TC will pass exact %PATH% string to a program and it will be responsible in expanding variable (CMD supports it so it should work).

I see. Thank you.