Table of Contents
DCL Programming Hands-on Session
This presentation is intended to be displayed or printed in the “Notes View” so it reads like a text book.
Agenda - Introduction
Agenda - Introduction, Cont’d
Agenda - Introduction, Cont’d
Agenda - Intermediate
Agenda - Intermediate, Cont’d
Agenda - Advanced
Agenda - Advanced, Cont’d
DCL - Programming?
DCL Command Elements
DCL Verbs
DCL Verbs, Cont’d
More Foreign Commands
DCL$PATH Caveat
DCL$PATH Caveat
DCL$PATH Caveat
Command Qualifiers
Non-positional Qualifiers
Positional Qualifiers
Common Qualifiers
DCL Statement Elements
Assignment Statements
Assignment Statements
String Length Limitations
Assignment Statements
Assignment Statements
Assignment Statements
Assignment Statements
Assignment Statements
Assignment Statements
Assignment Statements
Foreign Commands
Displaying Symbol Values
Displaying Symbol Values
Conditional Expressions
Conditional Expressions
Conditional Expressions
Conditional Expressions
Conditional Expressions
Conditional Expressions
Conditional Expressions
Labels, GOTO
GOSUB, RETURN
SUBROUTINE - ENDSUB...
External Procedures
Parameters
Parameters, Cont’d
Parameters, Cont’d
Parameters, Cont’d
Data for Programs (“Image Data”)
Logical Names
Logical Names
Logical Names
Logical Names
Logical Names
Logical Names
Logical Names
Logical Names
Logical Names
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Common Lexical Functions
Recurring Batch Jobs
Daily Batch Jobs
Weekly Batch Jobs
SUBMIT/AFTER
Select Tasks by Day
Select Monthly Tasks by Day
Select Last Day of the Month
Select Yearly Tasks by Date
Q / A
Break Time !
Agenda - Intermediate
Agenda - Intermediate, Cont’d
More Internal Subroutines
Why CALL?
Searching for Files
File Search Loops
Multiple F$SEARCH Streams
File I/O Statements
File I/O - OPEN
File I/O - READ
File I/O - WRITE
File I/O - CLOSE
Process Permanent Files (PPFs)
Process Permanent Files (PPFs)
Process Permanent Files (PPFs)
Process Permanent Files (PPFs)
Process Permanent Files (PPFs)
File I/O - READ Loops
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Parse - F$ELEMENT()
String Parsing Loops
Symbol Substitution
“Apostrophe” Substitution
Ampersand Substitution
Symbol Substitution
Symbol Substitution
Symbol Substitution - Examples
Symbol Substitution - Examples
Symbol “Scope”
Symbol “Scope”
String Operations
String Operations
String Operations
String Operations
DCL “Arrays”
Integer Operations
Boolean Operations
Logical Operations
“Result Codes”
“Result Codes”
“Result Codes”
Error Trapping
Error Trapping
Error Trapping
Handling Errors
Lexical - F$TRNLNM
Lexical - F$ENVIRONMENT
Lexical - F$ENVIRONMENT
Lexical - F$PARSE
Lexical - F$PARSE
Lexical - F$PARSE
Lexical - F$PARSE
Lexical - F$PARSE
Lexical - F$GETQUI
Lexical - F$GETQUI
Lexical - F$GETQUI
Lexical - F$GETQUI
Lexical - F$GETQUI
Lexical - F$GETQUI
F$GETQUI - Loop
F$GETQUI - Loop
F$GETQUI - Caveat
Lexical - F$CVTIME
Lexical - F$EXTRACT
Lexical - F$GETDVI
Lexical - F$EDIT
Lexical - F$GETJPI
Lexical - F$GETJPI
Lexical - F$GETJPI
Lexical - F$GETSYI
F$CONTEXT and F$PID
F$CONTEXT and F$PID
F$CONTEXT and F$PID
Other Lexical Functions
Q & A
Break Time !
Agenda - Advanced
Agenda - Advanced, Cont’d
Logical Name Table Search Order
Logical Name Table Search Order
Logical Name Table Search Order
Lexical Function - F$TYPE()
Lexical Function - F$TYPE() Examples
F$CONTEXT(), F$PID() Loops
Using F$CSID() and F$GETSYI()
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
PIPE
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
Hands-on Exercise
PIPE: Command Output -> Symbol
PIPE: Symbols in Image Data
PIPE: File List for ZIP from DIRECTORY
Q & A
Thank You!
Thank You!
PPT Slide
|