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1990-03-23
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3KB
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72 lines
;
PATH.COM
Size (recs) CRC Version Author/Latest Issue Disk
2k (11) 4647 3.1 Joe Wright 3/85 Z3COM7
1- Syntax 2- Notes 3- Error Messages 4- Examples of Use
PAT╚á allow≤ thσ use≥ t∩ displa∙ thσ curren⌠ patΦ o≥ se⌠ ß ne≈á path«á Thσ ì
displa∙ show≤ thσ patΦ iε threσ formats║á Symbolic¼á Absolutσ (DU)¼ anΣ NameΣ ì
Director∙á (DIR)«á Thσá patΦ expressioε ma∙ intermi° an∙ oµ thesσ format≤á a≤ ì
desireΣ t∩ expres≤ thσ ne≈ path«á Fo≥ example¼á iµ ß use≥ i≤ loggeΣ int∩ B0:¼ ì
thσ patΦ "$░ Añ A░ ROOTó represent≤ thσ sequencσ B░ t∩ A▒ t∩ A░ t∩á ROOT«á V≤ ì
3.░ (4/84⌐ b∙ R« Conn.
:1
Syntax: PATH <-- displays current path
or PATH path-expression <-- sets new path
:2
PATH Notes:
a. The PAT╚ácommanΣái≤ useΣát∩ádynamicall∙áchangσáß memory-baseΣáfilσá
searcΦ patΦ o≥ thσ ZCPR│ commanΣásearcΦ path«á WitΦáPATH¼áthσáuse≥ caε
definσ ß ne≈ patΦát∩ábσ followeΣ o≥ hσ caε vie≈ wha⌠ thσ curren⌠ patΦ
is.
b. PAT╚ determine≤ thσ addres≤ oµ thσ patΦ i⌠ i≤ goinτát∩ work with from
the ZCPR3 Environment Descriptor.
c. ThσáPAT╚ commanΣ deal≤ witΦ patΦ expressions«á ┴ patΦ expressioεái≤áß
sequencσ oµ director∙ name≤ whicΦácaεábσ expresseΣáa≤ "ambiguousó D╒
forms¼áabsolutσ D╒áforms¼áo≥ NameΣ Director∙ forms.
PATH Notes (continued);
d. AεáabsolutσáD╒áforφ indicate≤ájus⌠áßádisδálette≥ (curren⌠ use≥ i≤
assumed)¼ájus⌠ ß use≥ numbe≥ (curren⌠ disδ i≤áassumed)¼áo≥ botΦ ß disδ
lette≥ anΣ ß use≥ number«á Aε "ambiguousó D╒ forφ i≤ onσ iε whicΦ thσ
disδ lette≥ o≥áuse≥ numbe≥áo≥ábotΦ i≤ replaceΣ witΦ ß "$óácharacter¼á
meaninτ "curren⌠ diskó o≥ "curren⌠ user"«á ┴ NameΣ Director∙áform¼ oµ
course¼ i≤ simpl∙ thσ namσ oµ ß directory.
T∩ illustrate¼álet'≤ sa∙ tha⌠ thσ use≥ i≤ loggeΣáint∩ B1« Thσ path
"$0 A$ A0 ROOT" represents the sequence "B0 to A1 to A0 to ROOT".
:3
Error Messages:
"BaΣ Expressioε a⌠ <text>ó <-- therσ wa≤ aε erro≥ iε thσ patΦ expression
at the indicated point.
:4
Examples of Use:
PATH $0 A$ A15 <-- set path from current disk/user 0 to disk
A/current user to disk A/user 15
PATH A$ ROOT <-- set path from disk A/current user to ROOT:
:3
Examples of U