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Top Forums UNIX for Beginners Questions & Answers How do you preserve the max length of a line after replacing a specific value? Post 303041382 by RudiC on Friday 22nd of November 2019 03:23:23 AM
Old 11-22-2019
Try (assuming you want to fill up with spaces)

Code:
$ SPC="          "
$ sed  "s/ID3/$NEW${SPC:${#NEW}}/g" file

 

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ID3_GET_TAG(3)								 1							    ID3_GET_TAG(3)

id3_get_tag - Get all information stored in an ID3 tag

SYNOPSIS
array id3_get_tag (string $filename, [int $version = ID3_BEST]) DESCRIPTION
id3_get_tag(3) is used to get all information stored in the id3 tag of the specified file. PARAMETERS
o $filename - The path to the MP3 file Instead of a filename you may also pass a valid stream resource o $version - Allows you to specify the version of the tag as MP3 files may contain both, version 1.x and version 2.x tags Since version 0.2 id3_get_tag(3) also supports ID3 tags of version 2.2, 2.3 and 2.4. To extract information from these tags, pass one of the con- stants ID3_V2_2, ID3_V2_3 or ID3_V2_4 as the second parameter. ID3 v2.x tags can contain a lot more information about the MP3 file than ID3 v1.x tags. RETURN VALUES
Returns an associative array with various keys like: title, artist, .. The key genre will contain an integer between 0 and 147. You may use id3_get_genre_name(3) to convert it to a human readable string. EXAMPLES
Example #1 id3_get_tag(3) example <?php $tag = id3_get_tag( "path/to/example.mp3" ); print_r($tag); ?> The above example will output something similar to: Array ( [title] => DN-38416 [artist] => Re:Legion [album] => Reflections [year] => 2004 [genre] => 19 ) Example #2 id3_get_tag(3) example <?php $tag = id3_get_tag( "path/to/example2.mp3", ID3_V2_3 ); print_r($tag); ?> The above example will output something similar to: Array ( [copyright] => Dirty Mac [originalArtist] => Dirty Mac [composer] => Marcus Gotze [artist] => Dirty Mac [title] => Little Big Man [album] => Demo-Tape [track] => 5/12 [genre] => (17)Rock [year] => 2001 ) SEE ALSO
id3_set_tag(3), id3_remove_tag(3), id3_get_version(3). PHP Documentation Group ID3_GET_TAG(3)
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