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59 lines
1.6 KiB
Markdown
59 lines
1.6 KiB
Markdown
# mfbatch
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I've been reorganzing my sound effects library recently and have had to edit a
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large number of FLAC files, adding and editing descriptions, normalizing
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fields etc. and this is one of the tools I've come up with for updating a large
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number of FLAC files in an easy way quickly. It works completely in the command
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line and is designed to be used with your favorite text editor.
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## Workflow
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### 1) Create a new `MFBATCH_LIST` file for a directory of FLAC files.
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```sh
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$ cd path/to/my/flacs
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$ mfbatch -c
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```
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`mfbatch` will scan the current working directory and
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all subdirectories recursively. You can use a `-p` option
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to switch to another directory before scanning.
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### 2) Edit the `MFBATCH_LIST` file in your `$EDITOR`.
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```sh
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$ mfbatch --edit
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```
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The `MFBATCH_LIST` file will contain a transcript of all of the flac files
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in the selected folder along with their current metadata.
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```sh
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:set ALBUM 'Test Album 1'
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:set ARTIST 'Test Artist'
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:set DESCRIPTION 'Tone file #1, test tone 440Hz'
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:setp TITLE DESCRIPTION "^Tone file #(\d+).*" 'Tone \1'
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./tone1.flac
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:set DESCRIPTION 'Tone file #2, also 440Hz'
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./tone2.flac
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:unset DESCRIPTION
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:set DESCRIPTION 'Tone file #3'
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./tone3.flac
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```
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The `MFBATCH_LIST` format allows you to set metadata once and then write values
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to a run of files all at once. Several commands are available to manipulate
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the metadata written to the files.
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### 3) After you've made the changes you want to make, write them to the files.
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```sh
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$ mfbatch -W
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```
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Writing metadata is interactive, `mfbatch` will display the
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metdata to be written to each file and metadata can be
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edited interactively at a prompt before writing.
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