Re: [SoX-users] resampling several files

[Fernando O. <fer...@gm...>]

Thanks Philip

I'm under Linux (Ubuntu)
Your solution worked "almost" perfect at the beginning. I did follow
your instructions and I also add a couple of lines to auto make the
destination folder:

#!/bin/bash
if [ ! -d converted/ ]; then
 mkdir converted/
fi
for i in ./*.flac;\
 do sox -S $i -r 44100 -b 16 "converted/$i";\
done

My only problem was it only worked fine for "non_spaced_file_names".
So I did try using "commas" this way:
for i in ./"*.flac";\
but I was only getting a huge concatenated? file.

Then I did try instead change the above line, add the commas to the $i this way:

#!/bin/bash
if [ ! -d converted/ ]; then
 mkdir converted/
fi
for i in ./*.flac;\
 do sox -S "$i" -r 44100 -b 16 "converted/$i";\
done

Then got long name file support.
I have to confess it: it was more "try and fail" than a very
systematic approach to the solution.
Still, I want to learn bash. Could you be so nice and recommend me a
didactic online manual or book?

Thank you very very much.

Fernando

On Sun, Jun 27, 2010 at 22:39, Fmiser <fm...@gm...> wrote:
>> Fernando Ossandon wrote:
>
>> I'm just starting to use sox.
>> I have been using the following to resample some 24bit 96kHz
>> files to 16bit 44kHz:
>> sox -S OriginalFile.flac -r 44100 -b 16 NewFile.flac
>>
>> Is there any way to apply that command to a batch script and
>> be able to resample all files in a given folder and put the
>> new ones in another folder?
>> Can anyone give me an script example? (or any other advice to
>> batch process the command)
>
> You don't mention your operating system.  With a bash shell (the
> most common Linux terminal)
>
> Do do it as a one-liner entered at the promtp:
>
> for i in ./*.flac;\
>  do sox -S $i -r 44100 -b 16 "converted/$i";\
>  done
>
> In this case, the shell expands "./*.flac" to be a list of
> every flac file in the current directory.  So make sure your
> current directory is where the files are that need converting.
>
> Bash then steps through each of the .flac files in the list,
> converts them one at a time, and puts the converted one in the
> directory "converted" in the current directory.
>
> The "\" at the end of the line tells bash to ignore the very
> next character. In this case it's the new-line, which makes it
> a one-liner command even though it's four lines long...
>
>
> To do the same sort of thing as a script _file_
>
> -----------------------<  cut here  >--------------------------
> !#/bin/bash
>
> # A simple script to convert a batch of flac files. The source
> # files are given as a command option.  It can include
> # wildcards.  The destination is reletive to the current
> # directory of where you were when the script was run.
> #
> # Example: convertflac.sh /home/Foo/audio/*.flac
>
>
> # Set the directory you want for the converted files
> OutDir=converted
>
> # Get the list of files from the command line,
> #
> # Convert the file with SoX, strip any directory data from the
> # front of the input file and use that as the output filename
> # putting it in OutDir
>
> for input in "$@"
>   do sox -S $input -r 44100 -b 16 "$OutDir/$(basename $input)"
> done
>
> # The script will end when the list of input files is
> # exhausted.
>
> -----------------------<  cut here  >--------------------------
>
>
> If you are using MS Win, a batch file is similar, but the
> details of input list and output filename are different.  I
> can't help much there...
>
> --     Philip, heavy bash user.
>
>
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