Receiving "Missing Operand" error when launching the following script?

[eax22]

Yeah can someone tell me why? This file is supposed to measure the size of the folder it resides in, and echo the size.

Code: Select all

setlocal enableelayedexpansion
set /a value=0
set /a sum=0
for /r %1 %%i in (*) do (
set /a value=%%~zI/1024
set /a sum=!sum!+!value!
)
echo %sum% k
pause >nul

[Squashman]

For variables are case sensitive. Says so right in the help file.

Variable names are case sensitive, so %i is different
from %I.

You are also missing a "d" in enabledelayedexpansion

[aGerman]

Furthermore...

• ! is the logical NOT operator and may cause side effects. Apart from FOR variables and dynamic variables (such as %random%) the variable name is sufficient in a SET /A statement.
• If you want to add a value to an existing variable you may rather use the += operator.

Code: Select all

set /a "sum+=value"

... where even variable value coul be replaced with %%~zI/1024.

Also note that numeric values in batch are limited to the size of a 32bit signed integer. Thus, the greatest numeric value is 2147483647.

Steffen

[eax22]

Wow I didn't know that variables were case sensitive... thanks for that. It fixed my problem.

[eax22]

Also thanks for the advice, I'll make sure to edit the way I add up to a value.

[Squashman]

Wow I didn't know that variables were case sensitive... thanks for that. It fixed my problem.

Always a good idea to read the help file for the command you are using. Will save you time in the long run.

[ShadowThief]

Wow I didn't know that variables were case sensitive... thanks for that. It fixed my problem.

Only variables used by for loops are case sensitive. (Most likely because they're limited to a single character.)