Trailing-Edge
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PDP-10 Archives
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BB-D476C-BB_1978
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aplsf.hlp
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APL-SF SYSTEM COMMANDS
----------------------
< > = Required Specifier
[ ] = Optional Specifier
! = Choice Between Two Options
)BLOT [N]
Provides a random pattern mask of length N.
)C [N] <FILENAME>
Terminates the current APL session, runs the filename specified
with a default device specification of SYS:, and facilitates a
return to APL.
)CALL [N] <FILENAME>
Terminates the current APL session, runs the filename specified,
and facilitates a return to APL.
)CHARGE
Displays the record of activity (connect, CPU...).
)CLEAR
Replaces active workspace with CLEAR WS.
)CONT [HOLD]
Saves the active WS as CONTINUE and exits from APL.
)COPY <WSNAME> [PASSWORD] [NAMED-OBJECT-LIST]
Copies objects from WSNAME.
)CREATE [NUMBER-OF-COMPONENTS] <FILENAME> [PASSWORD] [RECORD-SIZE]
Creates a file for use with APL-SF's direct access I/O.
)DIGITS [N]
Displays or changes the number of significant digits.
)DROP <WSNAME> [SWITCH-LIST]
Deletes the workspace WSNAME from the user's disk area.
)ECHO [ON!OFF]
Allows or suppresses the printing of error lines.
)ERASE <NAME-LIST>
Erases the named objects from the current workspace.
)FNS [LETTER]
Displays an alphabetic list of function names in the WS.
)GROUP <GROUP-NAME> [GROUP-MEMBER-LIST]
Collects named objects in the group-member-list into the group
group-name.
)GRP <GROUP-NAME>
Lists the members of a particular group.
)GRPS [LETTER]
Displays an alphabetic list of group-names.
)INPUT [FILENAME] [/CHARACTER-SET]
Changes source of terminal input to be FILENAME.
)LIB [WSNAME] [SWITCH-LIST]
Displays names of workspaces.
)LOAD [MAGTAPE-POSITION] <WSNAME> [PASSWORD]
Retrieves a workspace from secondary storage.
)MAXCORE [K-OF-CORE]
Displays or changes the setting for the maximum WS size.
)MINCORE [K-OF-CORE]
Displays or changes the setting for the minimum WS size.
)MODE [KEYWORD!ESCAPE]
Displays or changes the mode of output for teletype devices.
)MON
Returns the user directly to monitor mode.
)OFF [HOLD]
Terminates the current APL session.
)ORIGIN [0!1]
Displays or changes the index origin.
)OUTPUT [FILENAME] [/CHARACTER-SET]
Directs the destination of terminal output to FILENAME.
)OWNER
Displays the PPN of the user who created the active workspace.
)PASSWORD [PASSWORD]
Displays or alters the password of the WS.
)PCOPY <WSNAME> [PASSWORD] [NAMED-OBJECT-LIST]
Copies objects from WSNAME to the current workspace.
)R [N] <FILENAME>
Terminates the APL session and runs the filename specified, with
a default device of SYS:.
)RUN [N] <FILENAME>
Terminates the APL session and runs the filename specified.
)SAVE [MAGTAPE-POSITION] [WSNAME] [PASSWORD]
Saves a copy of the active WS on secondary storage.
)SEAL [ON!OFF]
Turns the workspace seal on or off.
)SI
Displays the WS state indicator of function execution progress.
)SIV
Displays the WS state indicator with local variable names.
)SIZE
Displays the size of the currently active workspace.
)TABS [N]
Displays or sets to N the increment between tab settings for APL
output.
)TIME
Displays connect and CPU times accumulated.
)VARS [LETTER]
Displays an alphabetic list of global variables.
)VERSION
Displays the APL-SF version number with which the WS was last
saved.
)WIDTH [N]
Displays or alters the terminal line width.
)WSID [WSNAME] [PASSWORD]
Displays or changes the name of the WS.
SYSTEM INFORMATION (I-BEAM)
---------------------------
VALUE ACTION OR RETURNED VALUE
----- ------------------------
17 Symbol table size, entries used.
18 Status of WS (0=OK).
19 Time in 60ths of a second during which the keyboard has been
unlocked.
20 Time of day in 60ths of a second.
21 CPU time since APL-SF sign-on in 60ths of a second.
22 The maximum size your workspace may increase (in words).
23 User's job number in base 10.
24 Your APL-SF sign-on time in 60ths of a second since
midnight.
25 Today's date as mmddyy in base 10.
26 First line number in the state indicator.
27 Vector of line numbers of functions in the state indicator.
28 0 for the APL character set, 1 for the TTY character set.
29 Returns the user's project-programmer number in base 10.
30 Clears state indicator.
31 Number of APL-SF statements executed since sign-on.
32 Number of APL-SF operations executed since sign-on.
33 Number of kilo-core-seconds used since sign-on.
SYSTEM FUNCTIONS AND VARIABLES
------------------------------
SYNTAX DESCRIPTION
------ -----------
.BXCT Sets the degree of tolerance or relative fuzz to
be applied in performing comparisons.
.BXIO Changes the index origin to 0 or 1
.BXLX Defines a latent expression to be executed when
the workspace is activated.
.BXPP Sets the precision of non-integer numeric output.
.BXPW Sets the maximum number of characters that may
appear on an output line.
.BXRL Determines a link in the chain of random numbers.
.BXSF Sets a new prompt or signal message for evaluated
input.
.BXAUS Automatically backs up a workspace each time a
function definition is closed if this variable
is 1.
.BXAI Stores account information on the current APL
session.
.BXAV Stores a vector of all possible characters which
can be expressed in the APL system.
.BXLC Stores a vector of the line numbers in the APL
workspace's state indicator.
.BXTS Stores the current date and time in base 10
format.
.BXTT Determines the type of terminal being used in the
current APL session.
.BXUL Stores the job number associated with the current
APL session in base 10 format.
.BXWA Determines the amount that the active workspace
may increase.
Z_.BXCR A Obtains a canonical representation of a defined
function whose name is the character string A.
Z_.BXFX M Reverses the operation performed by .BXCR.
Z_.BXEX A Erases an existing use of a name in the user's
workspace.
Z_.BXNL N[...]
Z_A .BXNL N[...]
Constructs a list of named objects in the user's
workspace.
Z_.BXNC A Determines the classification of one or more names
as labels, variables, or functions.
Z_.BXDL S Delays the execution of this line for S seconds.
Z_.BXVI A Validates the character vector A as a numeric
vector.
Z_.BXFI A Parses the character vector A as a numeric vector.
.BXQLD A Quietly Loads a workspace according to the
information in A.
.BXQCO A Quietly Copies a workspace according to the
information in A.
.BXQPC A Quietly Protected Copies a workspace according to
the information in A.
Z_.BXASS '[N] [FILENAME] [PASSWORD]
[/FILE-TYPE] [/SHARE] [/DUMP]'
Assigns a file on the specified channel.
Z_.BXCHS N Determines file status on channel N.
Z_A .BXCIQ H,T
Interprets part of a logical input record made up
of different data types.
Z_.BXCLS N Closes files on one or more channels.
Z_A .BXCOQ H,T
Combines several different data types into a
single logical output record.
Z_.BXDAS N Deassigns files on one or more channels.
Z_.BXDEQ N [LOCK-NUMBER] [SHARE-BIT]
Synchronizes shared access to multiple-user files
by releasing the locked file.
Z_.BXDVC N Returns device characteristics word and block size
for one or more channels.
Z_.BXENQ N [LOCK-NUMBER] [SHARE-BIT]
Synchronizes shared access to multiple-user files
by locking the requested file.
Z_.BXFCM N Returns component numbers and sizes for all
components in a direct access file.
Z_.BXFLS N Returns sharing status, record size, and pointer
information for one or more files.
Z_ N .BXMTP OPS
Performs a variety of magnetic tape operations.