Using for loop in a specific folder using dos batch script

Question

I would like to run executable file using the yuv files as an input in a specific folder using batch script. However, the above code that I am using run only a time and then stop. Could anyone help me?

>  SET /A COUNT=1
>     for /r "F:\coding\Wetlands_1920x1080p\" %%v in (*.yuv) do (
>           TAppEncoder.exe -c EBU.cfg -f 30 -i "%%v" -wdt 1920 -hgt 1080 -o %COUNT%.yuv >%COUNT%.txt
>           SET /A COUNT+=1
>           )

Magoo · Accepted Answer · 2016-02-04 14:19:49Z

2

setlocal enabledelayedexpansion
SET /A COUNT=1
for /r "F:\coding\Wetlands_1920x1080p\" %%v in (*.yuv) do (
       TAppEncoder.exe -c EBU.cfg -f 30 -i "%%v" -wdt 1920 -hgt 1080 -o !COUNT!.yuv >!COUNT!.txt
  SET /A COUNT+=1
)

Within a block (a parenthesised series of statements) %var% refers to the value of var when the block was parsed. To access the run-time value, you need to invoke delayedexpansion and then use !var! to retrieve the required value.

See any number of SO items on the delayedexpansion problem. (it's very common...)

answered Feb 4, 2016 at 14:19

Magoo

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