System WSID

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⎕WSID - Set or retrieve Workspace ID

)WSID - Display or Name the Current Workspace

Z←⎕WSID returns the current file name of the workspace.
Z is a character vector.
⎕WSID←R sets the name of the workspace to the value of R.
)WSID displays the current workspace name or CLEAR WS.
)WSID name Sets the workspace name to name. The prior name is displayed


When you begin using an APL interpreter, the Session Manager presents you with a blank screen, and your workspace has a blank name, it's known as a CLEAR WS. In order to be able to save your workspace, you must give it a name. You can do this without saving the workspace, by issuing a )WSID command followed by the workspace name, or assigning the name to the ⎕WSID system variable. You can also name the workspace with the )SAVE command.

For a clear WS, ⎕WSID returns an empty vector; for a named WS, returns the full file name of the current workspace.

Issuing the )WSID command without an argument lists the current name of the workspace. Otherwise it changes the name of the workspace to the argument and reports the prior name. Because a space is a value separator, in order to give a workspace a name with spaces in it through the )WSID command, you must enclose it in double quote marks. Without the double quote marks, the name will be chopped at the first space; underlines may be used instead. Case is preserved on the )WSID or ⎕WSID argument.

NARS2000 will not validate the string passed to )WSID nor to ⎕WSID — you must be certain it is a valid file name. A workspace name specified by the ⎕WSID system variable may include spaces; the )WSID command requires the workspace name to be enclosed in double quote marks.

This example is from Windows 7: 

      )wsid
IS CLEAR WS
      )WSID
IS CLEAR WS
      ⎕WSID

      )wsid / ⍝ Note this is a bad name
WAS CLEAR WS
      )wsid
IS /
      )wsid big
WAS /
      )wsid hello there
WAS big
      )wsid
IS hello
      )wsid "hello there"
WAS hello
      )wsid
IS hello there
      )wsid x_5
WAS hello
      )wsid
IS x_5
      )Wsid Mixed_Case
WAS x_5
      )wsid
IS Mixed_Case
      )wsid april
WAS Mixed_Case
      ⎕wsid
C:\Users\Programmer\AppData\Roaming\NARS2000\workspaces\april
      )wsid
IS april
      ⎕wsid←'March'
      )wsid
IS March
      ⎕wsid
C:\Users\Programmer\AppData\Roaming\NARS2000\workspaces\March
      ⎕wsid←'This is My Workspace'
      )wsid
IS This is My Workspace
      ⎕wsid
C:\Users\Programmer\AppData\Roaming\NARS2000\workspaces\This is My Workspace
      )WSID "This is mine"
WAS This is My Workspace
      ⎕WSID
C:\Users\Programmer\AppData\Roaming\NARS2000\workspaces\This is mine
      )wsid
IS This is mine


System Variables (A value may be assigned to these except for ⎕DM)
⎕ALX ⎕CT ⎕DM ⎕DT ⎕ELX ⎕FC ⎕FEATURE ⎕FPC ⎕IC ⎕IO
⎕LR ⎕LX ⎕PP ⎕PR ⎕PW ⎕RL ⎕SA ⎕WSID
Niladic System Functions (a value cannot be assigned to these)
⎕A ⎕AV ⎕EM ⎕ET ⎕LC ⎕NNAMES ⎕NNUMS ⎕SI ⎕SYSID ⎕SYSVER
⎕T ⎕TC ⎕TCBEL ⎕TCBS ⎕TCESC ⎕TCFF ⎕TCHT ⎕TCLF ⎕TCNL ⎕TCNUL
⎕TS ⎕WA
Monadic or dyadic system functions (a value cannot be assigned to these)
⎕AT ⎕CR ⎕DC ⎕DFT ⎕DL ⎕DR ⎕EA ⎕EC ⎕ERROR ⎕ES
⎕EX ⎕FMT ⎕FX ⎕MF ⎕NAPPEND ⎕NC ⎕NCREATE ⎕NERASE ⎕NINFO ⎕NL
⎕NLOCK ⎕NREAD ⎕NRENAME ⎕NREPLACE ⎕NRESIZE ⎕NSIZE ⎕NTIE ⎕NUNTIE ⎕STOP ⎕TF
⎕TRACE ⎕UCS ⎕VR
Note that quad functions and variables (except for the ⎕A family of functions) are case insensitive
System Commands (not case sensitive)
)CLEAR )CLOSE )COPY )DROP )EDIT )ERASE )EXIT )FNS )FOP )FOPS
)IN )INASCII )LIB )LOAD )NEWTAB )NMS )OFF )OPEN )OPS )OUT
)RESET )SAVE )SI )SIC )SINL )SYMB )ULIB )VARS )XLOAD )WSID


See Also
System Commands System Variables and Functions Operators


Keyboard
Alt+Shift ⍪ ≡ ≢ ⍒ ⍋ ⌽ ⍉ ⊖ ⍟ ⍱ ⍲ ⍠ ⌹
Alt ⋄ ¨ ¯ < ≤ ∅ ≥ > ≠ ∨ ∧ × ÷
Shift ~ ! @ # $ % ^ & * ( ) _ +
Key ` 1 2 3 4 5 6 7 8 9 0 - =
Alt+Shift ⍷ √ ⍨ ⍸ ⍥ ⍣ ⍞ ⍬ ⊣
Alt ? ⍵ ∊ ⍴ § ↑ ↓ ⍳ ○ π ← → ⊢
Shift Q W E R T Y U I O P { } |
Key q w e r t y u i o p [ ] \
Alt+Shift ∫ ∂ ⌻ ⍢ ⍙ ⍤ ⍫ ⌷
Alt ⍺ ⌈ ⌊ ∞ ∇ ∆ ∘ ‼ ⎕ ⍎ ⍕
Shift A S D F G H J K L : "
Key a s d f g h j k l ; '
Alt+Shift ⊆ ⊇ χ ⍡ ⍭ ⊙
Alt ⊂ ⊃ ∩ ∪ ⊥ ⊤ ⍦ ⍝ ⍀ ⌿
Shift Z X C V B N M < > ?
Key z x c v b n m , . /
NARS 2000 Lang
Tool
Bar 		← → + - × ÷ * ⍟ ⌹ ○ ! ? √ | ⌈ ⌊ ⊥ ⊤ ⊣ ⊢
≡ ≢ < ≤ = ≥ > ≠ ∨ ∧ ⍱ ⍲ ↑ ↓ ⊂ ⊃ ⌷ ⍋ ⍒
⍳ ∊ ⍸ ⍷ ∪ ∩ ⊆ ⊇ ~ § π .. , ⍪ ⍴ ⌽ ⊖ ⍉
/ \ ⌿ ⍀ ⊙ ¨ ⍨ ⍤ ⍣ ⍡ ⍥ ⍦ . ∘ ⍠ ‼ ⌻ ∂ ∫ ⍞ ⎕ ⍎ ⍕
⋄ ⍝ ∇ ∆ ⍙ _ ⍺ ⍵ ¯ ⍬ ∞ ∅
Second Row i j k i j k l g p r v x

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