System Functions & Variables
Contents
ŒA Alphabet, Upper Case
Œa Alphabet, Lower Case
ŒAF Atomic Function
ŒAI Account Information
ŒAT Object Attributes
ŒAV Atomic Vector
ŒB Backspace
ŒBOX Vector to/from Matrix
ŒC Control Characters
ŒCALL Call external static method
ŒCC Console Control
ŒCHART Draw Chart
ŒCL Current Line
ŒCLASS Class hierarchy for object
ŒCLASSES References to user-defined and external classes
ŒCONF Configure APL
ŒCR Canonical Representation
ŒCS Compatibility Setting
ŒCT Comparison Tolerance
ŒD Digits
ŒDBR Delimited Blank Removal
ŒDISPLAY Display Array Structure
ŒDL Delay
ŒDR Data Representation
ŒEA Execute Alternate
ŒEC Execute Controlled
ŒEDIT Edit fn/op/var
ŒEM Error Matrix
ŒERM Error Message Vector
ŒERS Error signalling
ŒERX Error trapping
ŒES Error Simulate
ŒET Error Type
ŒEV Event record
ŒEVA Event Arguments
ŒEVAL Evaluate external expression
ŒEVN Event Name
ŒEVT Event Target
ŒEX Expunge
ŒEXPORT Export APL array to file in specified format
ŒFAPPEND Append component to file
ŒFC Format Control
ŒFCREATE Create a new component file
ŒFCSIZE Read component size information
ŒFDELETE Delete component from file
ŒFDROP Drop components from start or end of file
ŒFDUP Duplicate component file, reclaiming wasted space
ŒFERASE Erase component file
ŒFERROR Return operating-system error
ŒFHOLD Hold/Release component files for exclusive access
ŒFI Convert formatted input
ŒFLIB Return names of component files in directory
ŒFMT Formatting Function
ŒFNAMES Return names of currently-tied files
ŒFNUMS Return tie numbers in use
ŒFRDAC Read component-file access matrix
ŒFRDCI Read component information
ŒFRDFI Read file information
ŒFREAD Read component
ŒFRENAME Rename component file
ŒFREPLACE Replace existing component
ŒFRESIZE Set maximum file size
ŒFSIZE Read file-size and component-range information
ŒFSTAC Set component-file access matrix
ŒFSTIE Tie file for shared use
ŒFTIE Tie file for exclusive use
ŒFUNTIE Untie file(s)
ŒFWRITE Append, replace or insert component
ŒFX Fix function/operator/class
ŒGETCLASS Get reference to named class
ŒHC Hard Copy
ŒHOST Command to Host
ŒI Idle Character
ŒIC Insert into Class
ŒID ID Number
ŒIMPORT Import data from file in specified format
ŒINSTANCES Instances of a Class or Descendants
ŒIO Index Origin
ŒL Linefeed Character
ŒLC Line Counter
ŒLE Last Exception
ŒLER Line Error Report
ŒLIB Return directory contents
ŒLX Latent Expression
ŒM Months
ŒMC Missing Character
ŒMOUNT Allocate Libraries
ŒN Null Character
ŒNA Define External Function
ŒNAPPEND Append data to native file
ŒNC Name Classification
ŒNCREATE Create native file
ŒNERASE Erase native file
ŒNERROR Get last native file error
ŒNEW Create new instance of class
ŒNL Name List
ŒNLOCK Lock/Unlock native file
ŒNNAMES List names of tied native files
ŒNNUMS List native file tie numbers
ŒNREAD Read data from native file
ŒNRENAME Rename native file
ŒNREPLACE Replace data in native file
ŒNRESIZE Resize native file
ŒNSIZE Get size of native file
ŒNTIE Open native file
ŒNTYPE Set native file type (MacOS)
ŒNULL Return reference to null object
ŒNUNTIE Close native file
ŒNWRITE Write data to native file
ŒOV Overlay
ŒPFKEY Set up Function keys
ŒPP Print Precision
ŒPR Prompt Replacement
ŒPROFILE Performance profiling
ŒPW Print Width
ŒR Carriage Return
ŒRECLASS Change class of objects
ŒREPARENT Change parent of user-defined class
ŒRL Random Link
ŒSETUP Set up external environment
ŒSI State Indicator
ŒSQL Interface to External Database
ŒSS String Search/Replace
ŒSTOP Stop List
ŒSVC Shared Variable Control
ŒSVO Shared Variable Offer
ŒSVQ Shared Variable Query
ŒSVR Shared Variable Retract
ŒSYMB Return Count of Symbols Used/Total
ŒT Tab Character
ŒTC and ŒTCxx Terminal Control Characters
ŒTF Transfer Form
ŒTHIS Reference to current object
ŒTIME Time/Date Text
ŒTR Translate text to/from External
ŒTS Timestamp
ŒTT Terminal Type
ŒTRACE Trace
ŒUCS Convert text to/from Unicode
ŒUL User Load
ŒVI Verify formatted input
ŒW Weekdays
ŒWA Workspace Available
ŒWARG Argument to event callback function
ŒWE Wait for event
ŒWI Windowing interface
ŒWSELF Callback object
ŒWSSIZE Size of Workspace
ŒXML Convert to/from XML
Topic: APLX Help : Help on APL language : System Functions & Variables