ENDDO mixup?

[vefatica]

This BTM works as it should until the end of the outer DO loop. When j becomes 3, it branches to the command after the INNER "enddo".

do j=1 to 2
    timer /q
        do i=10 to 1 by -1 | (wsl sort -n ^| wc -l)
            echo %i
        enddo
    timer
    echo.
enddo

v:\> wsltotest.btm
10
Timer 1 off: 18:32:57  Elapsed: 0:00:00.185

10
Timer 1 off: 18:32:57  Elapsed: 0:00:00.085

Timer 1 on: 18:32:57

TCC: V:\wsltotest.btm [8]  Unknown command "enddo"

v:\>

 

[rconn]

You can pipe *out* of a command group, but you can't pipe *into* one. The parser is trying to get the first argument after the | to execute, which is "(wsl". It can't find it, so it tries to execute it by calling a child TCC process:

"D:\\TakeCommand26\\x64\\Debug\\TCC.EXE\" /c  (wsl sort -n ^| wc -l)

Which probably isn't what you intended, and which messes up your DO counters.

 

[vefatica]

This syntax works but it doesn't seem intuitive to me and I'll probably forget it before I need it again.

v:\> type test.btm
do j=1 to 2
    timer /q
        do i=10 to 1 by -1 | `wsl sort -n ^| wc -l`
            echo %i
        enddo
    timer
    echo.
enddo

v:\> test.btm
10
Timer 1 off: 22:10:46  Elapsed: 0:00:00.183

10
Timer 1 off: 22:10:46  Elapsed: 0:00:00.081