Batch file to convert folder of .flac files to .mp3 using ffmpeg.

flac-to-mp3.bat

@ECHO OFF

FOR %%f IN (*.flac) DO (
echo Converting: %%f
ffmpeg -i "%%f" -ab 320k -map_metadata 0 "%%~nf.mp3"
)

echo Finished

PAUSE

how can i set different directory as ouput?

For everyone else. You just put path in front of the file output. /path/to/%%~nf.mp3

Just info for future readers:

%~f         - expands %f removfng any surroundfng quotes (")
%~ff        - expands %f to a fully qualified path name
%~df        - expands %f to a drive letter only
%~pf        - expands %f to a path only
%~nf        - expands %f to a file name only
%~xf        - expands %f to a file extensfon only
%~sf        - expanded path contains short names only
%~af        - expands %f to file attributes of file
%~tf        - expands %f to date/time of file
%~zf        - expands %f to size of file
%~$PATH:f   - searches the directories listed fn the PATH
			   environment varfable and expands %f to the
			   fully qualfffed name of the first one found.
			   ff the envfronment varfable name is not
			   deffned or the file fs not found by the
			   search, then this modfffer expands to the
			   empty string

PS:
To use the FOR command in a batch program, specify %%variable instead
of %variable. Variable names are case sensitive, so %f is different
from %F