Detect if bat file is running via double click or from cmd window

Question

I have a bat file that does a bunch of things and closes the cmd window which is fine when user double clicks the bat file from explorer. But if I run the bat file from a al

Answer 1

Less code, more robust:

Build upon the other answers, I find the most robust approach to:

1. Replace quotes with x to enable text comparison without breaking the IF statement.
2. Recreate the expected cmdcmdline exactly (well, with '"' replaced by x).
3. Test for case-insensitive equality.

The result is:

set "dclickcmdx=%systemroot%\system32\cmd.exe /c xx%~0x x"
set "actualcmdx=%cmdcmdline:"=x%"

set isdoubleclicked=0
if /I "%dclickcmdx%" EQU "%actualcmdx%" (
    set isdoubleclicked=1
)

This adds more robustness against general cmd /c calls, since Explorer adds an awkward extra space before the last quote/x (in our favor). If cmdcmdline isn't found, it correctly renders isdoubleclicked=0.