Single-line Do-CMD is a bit uncooperative.

[Peter Murschall]

I tried to remove some old DOS/CMD-klutches, e.g. replacing Echo. by Echo ``, but

That means : Do 5 (Echo.) is working, Echo ``,Screen %_row %_column ^r^n is not.
Why ?

 

[samintz]

There's nothing wrong with using "echo." The other issues seem related to parsing. If you escape the backticks, it works.

do 5 (echo ^` ^`)

I tried this

$ do 5 (echo %_row, %_column)
40, 0
40, 0
40, 0
40, 0
40, 0

And if I doubled the percents, it just echoed the text '%_row %_column'
So I don't know how to fix that.

 

[vefatica]

The ^r^n is disappearing and there is no text for the SCREEN command. If 5 blank lines is what you really want, this works.

It's the same with ECHO.

 

[samintz]

Well, for that matter, this does too:

echo %@repeat[^n,5]``

 

[vefatica]

Well, for that matter, this does too:

echo %@repeat[^n,5]``

Scott, do you have any idea why the `` makes that work when it otherwise fails?

I tried this (below) with somewhat surprising results.

v:\> echo %@repeat[^^n,5]
^^^

 

[samintz]

My guess is that whitespace is normally stripped from the end of a command line. And the `` says keep all the stuff before it.
Same reason why echo `` works vs echo followed by spaces.

 

[Peter Murschall]

My guess is that the DO-command parser goes another way as the other parsers, for example the (peculiar) FOR will work as expected:

D:\JPSoft\TCC22>:do 7 (Echo ``)
ECHO ist AUS
ECHO ist AUS
ECHO ist AUS
ECHO ist AUS
ECHO ist AUS
ECHO ist AUS
ECHO ist AUS

D:\JPSoft\TCC22>:for /L %var In (1,1,7) Echo ``








D:\JPSoft\TCC22>: