if statement - Can't put a certain expression in IF clause in batch file -

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the following works fine:

@echo off youtube-dl --output d:\path\%%(title)s.%%(ext)s -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq

i can add if clause (and expected 'hi'):

@echo off if 1==1 (     echo hi ) youtube-dl --output d:\path\%%(title)s.%%(ext)s -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq

but when put youtube-dl in if clause, doesn't work. s.%(ext)s unexpected @ time., without hi.

@echo off if 1==1 (     echo hi     youtube-dl --output d:\path\%%(title)s.%%(ext)s -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq )

same thing if put output path in variable:

@echo off set output=d:\path\%%(title)s.%%(ext)s if 1==1 (     echo hi     youtube-dl --output %output% -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq )

the variable not problem, following works fine:

@echo off set output=d:\path\%%(title)s.%%(ext)s if 1==1 (     echo hi ) youtube-dl --output %output% -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq

how put thing in if clause?

thanks iridium solution. brackets inside if() need escaped, ( becomes ^( , ) becomes ^).

@echo off if 1==1 (     echo hi     youtube-dl --output d:\path\%%^(title^)s.%%^(ext^)s -f bestaudio https://www.youtube.com/watch?v=j9bjjejk2dq )

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