Batch For loop "was unexpected at this time." -

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i having issue running batch file, seems hung @ loop , tells me following:

\%y\%m unexpected @ time

here code:

 %%y in (2014) (     echo %%y     %%m in (jan feb mar) (        if exist %~dp0%%y\%%m (             echo applying updates %%m %%y             %%f in ("%~dp0%%y\%%m\*.*") (                 echo installing "%%~ff"                    wusa "%%~ff" /quiet /norestart ) ) )

any ideas on why getting error?

loop variables case-sensitive, need replace %%y %%y.

also consider using quotes: if exist "%~dp0%%y\%%m" (


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