NetRexx Tutorial - The Rexx Language Association

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Purpose of this Tutorial • Intended for Classic Rexx and/or IBM Object Rexx users • With a working REXX knowledge • And the Need/Desire to quickly learn NetRexx basics • Based on the language differences
From classic Rexx to NetRexx • Same/Similar language constructs • But with subtile differences • Both in Semantics • … and Syntax (Notation) • We Focus on the differences now
Page 1: NetRexx Tutorial © Thomas Schneide
Page 5 and 6: Escape Sequences in String Literals
Page 7 and 8: Notation of Variable Names • As u
Page 9 and 10: Notation of Stems (2) • With mult
Page 11 and 12: Attention (NetRexx specifics) • X
Page 13 and 14: Attention • Same notation for IND
Page 15 and 16: CONTINUATION character • CONTINUA
Page 17 and 18: Operators • Same set of operators
Page 19 and 20: Standard (Primitive) TYPES • Bool
Page 21 and 22: Dimensioned TYPES • Any Variable
Page 23 and 24: Initial (default) Values • NetRex
Page 25 and 26: Example 1: The QTSMALL program •
Page 27 and 28: So what‘s different: SIGNAL vs RA
Page 29 and 30: Jumping FORWARD and BACKWARDS (clas
Page 31 and 32: method Loop1() static public ; /* .
Page 33 and 34: Summary • Variables are called Pr
Page 35 and 36: Standard Program Layout (Code) •
Page 37 and 38: Parameter Lists • Semantically si
Page 39 and 40: Structured Statements • Same stru
Page 41: Caution (2) • Notice that up to n

NetRexx Tutorial - The Rexx Language Association

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