SIMSCRIPT II.5 Programming Language

SIMSCRIPT II.5 Programming Language
2.15 LIBRARY FUNCTIONS ...............................................................................64
2.16 USING NON-SIMSCRIPT ROUTINES ....................................................... 65
2.17 RETURNING RESERVED ARRAYS TO FREE STORAGE ............................... 65
2.18 ARRAY POINTERS AS ROUTINE ARGUMENTS ............................................66
2.19 TEXT MODE VARIABLES ......................................................................... 69
2.20 READING AND DISPLAYING TEXT VARIABLES............................................ 70
2.21 OPERATIONS WITH TEXT VARIABLES .......................................................71
2.21.1 Concatenation: CONCAT.F(text1, text2...textn)...............................................72
2.21.2 Substring: SUBSTR.F(text, index, length) .......................................................72
2.21.3 Pattern Matching: MATCH.F(text, pattern, skip) ............................................. 73
2.21.4 Length Function: LENGTH.F(text) ..................................................................73
2.21.5 Case Conversion: UPPER.F(text) and LOWER.F(text) .................................. 73
2.21.6 String Repetition: REPEAT.F(string,count)...................................................... 73
2.21.7 Truncation and Expansion: FIXED.F(string,length) .........................................73
2.21.8 Blank Character Elimination: TRIM.F(string, flag)........................................... 74
2.21.9 INTEGER to TEXT Conversion ITOT.F(integer)............................................ 74
2.22 ALPHA VARIABLES ..................................................................................74
2.22.1 TEXT to ALPHA Conversion: TTOA.F(text) ....................................................75
2.22.2 ALPHA to TEXT Conversion: ATOT.F(alpha) .................................................75
2.23 RECURSIVE ROUTINES ............................................................................75
2.24 PRE-PROCESSING PROGRAM TEXT .........................................................81
2.25 MORE ON CHANGING THE FLOW OF COMPUTATION..................................84
2.26 SOME DATA-RELATED LOGICAL VALUES ..................................................86
2.27 MORE SAMPLE SIMSCRIPT II.5 LEVEL 1 PROGRAMS ............................. 89
2.27.1 A Data Analysis Program: 1 .............................................................................89
2.27.2 A Data Analysis Program: 2............................................................................. 90
2.27.3 A Matrix Multiplication Program ........................................................................91
2.27.4 A Matrix Multiplication Routine .........................................................................92
2.28 MORE ON PROGRAM FORMAT ................................................................. 93
2.29 A USEFUL OUTPUT STATEMENT ..............................................................94
2.30 SUBPROGRAM VARIABLES .......................................................................95
2.31 THE STORE STATEMENT .........................................................................98
3. Input/Output Concepts................................................................................ 99
3.1 INTRODUCTION ......................................................................................... 99
3.2 A SEARCH CAPABILITY.............................................................................. 99
3.3 A STATEMENT FOR COMPUTING SOME STANDARD FUNCTIONS OF
VARIABLES .............................................................................................100
3.4 INPUT/OUTPUT STATEMENTS ..................................................................103
3.4.1 Physical Device Specification ..........................................................................104
3.4.2 The Formatted I/O Statements READ and Write .............................................106
3.4.3 Format Lists .....................................................................................................110
3.4.4 Controlled READ and WRITE Statements ......................................................116
3.4.5 Variable Formats.............................................................................................. 117
3.5 MISCELLANEOUS INPUT/OUTPUT STATEMENTS AND FACILITIES .................119
3.5.1 Logical File Assignment: The OPEN Statement ..............................................119
3.5.2 End-of-File Conditions .....................................................................................120
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