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(User.programs)
Item: 367 by akcs.softcalc@hpcvbbs.cv.hp.com
Author: [brian maguire]
Subj: Miscellaneous utilities
Date: Sun Mar 22 1992
MISC1 : Miscellaneous Utilities 1
Copyright 1991
Brian J. Maguire
All Rights Reserved
MISC1 and this manual are presented without warranties, expressed
or implied. The author makes no guarantee as to the fitness of
this software.
MISC1 can be copied freely provided the software and this manual
are copied in its entirety. The user cannot be charged, in whole
or in part, except for the cost of reproduction. No part of this
package may be used for commercial purposes without written
permission from the author.
Please forward comments or questions to...
Brian Maguire
139 Kingsbury
Dearborn, MI 48128
(313) 274-0428
SUMMARY
For quite some time I have been designing several tool libraries.
While reviewing them, several commands were eliminated because
they were impractical. Rather than just throwing them in the
fire, I decided to release them in the public domain.
A brief listing of the programs in UTIL1 is given below. Each
name is followed by a brief description and the INPUT->OUTPUT
object types.
CSTK
Checks a list of object type numbers with the stack. Each number
in the list on level one specifies a stack level. If fewer
objects are on the stack than specified by the list, -1 is
returned. If the objects on the stack match the list, 1 is
returned. Otherwise 0 is returned. As an example, if the stack
is setup as shown below and CSTK is run, 1 is returned. NOTE:
Using 27 in the object type list passes all object type in that
stack position. [If you're like me and can't remember all the object
type numbers, use TSTK, described below, to find them. -jkh-]
Before After
------ -----
4: 'VAR' 4: 'VAR'
3: 45 3: 45
2: "Answer " 2: "Answer "
1: { 6 0 2 } 1: 1
List -> Real(-1, 0, or 1)
TSTK
Returns a list of object type numbers representing the objects on
the stack. The real number input on level one specifies the
number of stack levels to check. As an example, entering TSTK
with the before stack shown below will return the after stack.
Before After
------ -----
5: 'PRG1' 5: 'PRG1'
4: << 2 / >> 4: << 2 / >>
3: 2 3: 2
2: "Name " 2: "Name "
1: 4 1: { 6 8 0 2 }
Obj(n)...Obj(1), Real(n) -> Obj(n)...Obj(1), List
TCOUNT
Returns the number of occurrences of an object type found in the
list on level two. The real number on level one specifies the
object type. TCOUNT can be used to validate user input lists.
For example, the program
<< IF DUP SIZE OVER 6 TCOUNT ==
THEN <valid procedure>
ELSE <failed procedure>
END >>
check for a list of global names on the stack. If the test is
true the appropriate procedure is run. Otherwise, <failed
procedure> is run.
List, Real -> Real
TPOS
Returns the position of the first occurrence of an object type in
a list. The real number on level one specifies the object type
to be searched for. 0 is returned if the object type is not
found
List, Real -> Real
OCOUNT
Returns the number of times the object on level one occurs in the
list on level two.
List, Any -> Real
STOPATH
STOPATH stores an object in a different directory without
changing directories. If the global name on level one exists
anywhere along the current path, its contents is replaced with
the object on level two. Otherwise, a new variable is created in
the current directory.
Any, Global -> Object on level two stored in global name
->STR1
Converts the object on level one into a string without carriage
returns. Spaces are the only separator character used.
Any -> String
-Brian Maguire-