1JACK_PROPERTY(1)            General Commands Manual           JACK_PROPERTY(1)
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NAME

6       jack_property  -  JACK client to list, set and delete metadata informa‐
7       tion
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SYNOPSIS

10       jack_property -l
11       jack_property [ -c | -p ] -l identifier
12       jack_property [ -c | -p ] -l identifier key
13       jack_property [ -c | -p ] -s identifier key value [ type ]
14       jack_property [ -c | -p ] -d identifier
15       jack_property [ -c | -p ] -d identifier key
16       jack_property -D
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DESCRIPTION

19       jack_property can be used to list, set and delete any and all  metadata
20       associated with the ports and clients of a JACK server.
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22       There  are three main ways to use the command. The -l option is used to
23       list existing metadata. The -s option is  used  to  set  metadata.  The
24       -d/-D options are used to delete metadata.
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26       The  identifier  is normally a UUID (UUIDs for ports and clients can be
27       shown with jack_lsp(1)). If the -c option is used, then identifier will
28       be  interpreted as a client name, and its UUID will be looked up inter‐
29       nally and used for the relevant metadata operation. If the -p option is
30       used,  then  identifier will be interpreted as a port name and its UUID
31       will be looked up internally and used for the relevant metadata  opera‐
32       tion.
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34       The key is an arbitrary string that identifies the metadata to be oper‐
35       ated upon.
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37       The value is an arbitrary string that defines the value of the metadata
38       to be created.
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40       The type is an optional MIME type, given as a string. An empty type for
41       a piece of metadata results in it being interpreted as "text/UTF-8".
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OPTIONS

44       -l    list all metadata currently defined
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46       -l identifier
47             list all metadata currently defined for identifier
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49       -l identifier key
50             show the value of the metadata associated with key for identifier
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52       -d identifier
53             deletes all metadata for identifier
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55       -d identifier key
56             deletes the metadata associated with key for identifier
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58       -D    delete all currently defined metadata
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60       -s identifier key value [ type ]
61             sets the metadata associated with key  to  value  for  identifer,
62             with its type set to type if given
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64       -c    interpret a given identifier as a client name rather than a UUID
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66       -p    interpret a given identifier as a port name rather than a UUID
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731.9.14                           January 2020                 JACK_PROPERTY(1)
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