16.28 )what
ugSysCmdwhat
what
User Level Required: interpreter
Command Syntax:
)what categories pattern1 [pattern2 ...]
)what commands pattern1 [pattern2 ...]
)what domains pattern1 [pattern2 ...]
)what operations pattern1 [pattern2 ...]
)what packages pattern1 [pattern2 ...]
)what synonym pattern1 [pattern2 ...]
)what things pattern1 [pattern2 ...]
)apropos pattern1 [pattern2 ...]
Command Description:
This command is used to display lists of things in the system. The
patterns are all strings and, if present, restrict the contents of the
lists. Only those items that contain one or more of the strings as
substrings are displayed. For example,
)what synonym
displays all command synonyms,
)what synonym ver
displays all command synonyms containing the substring ``ver'',
)what synonym ver pr
displays all command synonyms
containing the substring ``ver'' or the substring
``pr''.
Output similar to the following will be displayed
---------------- System Command Synonyms -----------------
user-defined synonyms satisfying patterns:
ver pr
)apr ........................... )what things
)apropos ....................... )what things
)prompt ........................ )set message prompt
)version ....................... )lisp *yearweek*
Several other things can be listed with the )what command:
- categories
- displays a list of category constructors.
what categories
- commands
- displays a list of system commands available at your
user-level.
what commands
Your user-level
user-level
is set via the )set userlevel command.
set userlevel
To get a description of a particular command, such as ``)what'', issue
)help what.
- domains
- displays a list of domain constructors.
what domains
- operations
- displays a list of operations in the system library.
what operations
It is recommended that you qualify this command with one or
more patterns, as there are thousands of operations available. For
example, say you are looking for functions that involve computation of
eigenvalues. To find their names, try )what operations eig.
A rather large list of operations is loaded into the workspace when
this command is first issued. This list will be deleted when you
clear the workspace via )clear all or )clear completely.
It will be re-created if it is needed again.
- packages
- displays a list of package constructors.
what packages
- synonym
- lists system command synonyms.
what synonym
- things
- displays all of the above types for items containing
what things
the pattern strings as substrings.
The command synonym )apropos is equivalent to
apropos
)what things.
Also See:
)display ugSysCmddisplay,
)set ugSysCmdset, and
)show ugSysCmdshow.