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4.3.7 Assigning Index Values Using the SET Statement ................ 4–16
4.3.7.1 Assigning an Integer Index Value with a SET Statement ....... 4–16
4.3.7.2 Incrementing an Index Value with the SET Statement ......... 4–16
4.3.8 Identifying Table Elements Using the SEARCH Statement ......... 4–16
4.3.8.1 Implementing a Sequential Search ........................ 4–17
4.3.8.2 Implementing a Binary Search ........................... 4–18
5 Using the STRING, UNSTRING, and INSPECT Statements
5.1 Concatenating Data Using the STRING Statement .................. 5–1
5.1.1 Multiple Sending Items .................................... 5–1
5.1.2 Using the DELIMITED BY Phrase ........................... 5–2
5.1.3 Using the POINTER Phrase ................................ 5–4
5.1.4 Using the OVERFLOW Phrase . . ............................ 5–4
5.1.5 Common STRING Statement Errors .......................... 5–6
5.2 Separating Data Using the UNSTRING Statement .................. 5–6
5.2.1 Multiple Receiving Items ................................... 5–6
5.2.2 Controlling Moved Data Using the DELIMITED BY Phrase ........ 5–8
5.2.2.1 Multiple Delimiters .................................... 5–12
5.2.3 Using the COUNT Phrase .................................. 5–12
5.2.4 Saving UNSTRING Delimiters Using the DELIMITER Phrase . . . . . . 5–13
5.2.5 Controlling UNSTRING Scanning Using the POINTER Phrase . . . . . 5–14
5.2.6 Counting UNSTRING Receiving Items Using the TALLYING
Phrase ................................................. 5–15
5.2.7 Exiting an UNSTRING Statement Using the OVERFLOW Phrase . . . 5–16
5.2.8 Common UNSTRING Statement Errors ....................... 5–16
5.3 Examining and Replacing Characters Using the INSPECT Statement . . . 5–17
5.3.1 Using the TALLYING and REPLACING Options of the INSPECT
Statement . . ............................................ 5–17
5.3.2 Restricting Data Inspection Using the BEFORE/AFTER Phrase . . . . . 5–18
5.3.3 Implicit Redefinition . . .................................... 5–18
5.3.4 Examining the INSPECT Operation .......................... 5–21
5.3.4.1 Setting the Scanner .................................... 5–22
5.3.4.2 Active/Inactive Arguments . . . ............................ 5–22
5.3.4.3 Finding an Argument Match . ............................ 5–23
5.3.5 The TALLYING Phrase .................................... 5–24
5.3.5.1 The Tally Counter . .................................... 5–24
5.3.5.2 The Tally Argument .................................... 5–24
5.3.5.3 The Tally Argument List ................................ 5–25
5.3.5.4 Interference in Tally Argument Lists ....................... 5–27
5.3.6 Using the REPLACING Phrase . . ............................ 5–30
5.3.6.1 The Search Argument .................................. 5–30
5.3.6.2 The Replacement Value ................................. 5–31
5.3.6.3 The Replacement Argument . . ............................ 5–31
5.3.6.4 The Replacement Argument List .......................... 5–31
5.3.6.5 Interference in Replacement Argument Lists ................. 5–32
5.3.7 Using the CONVERTING Option . ............................ 5–33
5.3.8 Common INSPECT Statement Errors ......................... 5–33
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