Clipper 5.x RG Summary Introduction

This is a summary of reference guide for Clipper Language, grouped by category.

For more detailed guide please refer Documentation section under links page.

Items ( command, function, statement, class … ) denoted by an asterisk immediately after the name are obsolete. These are compatibility items, superseded by another item, and not recommended using furthermore; instead new items recommended. Here the list :

Obsolete Language Items

 Obsolete              | Recommended
 ADIR() function       | DIRECTORY() function
 AFIELDS() function    | DBSTRUCT() function
 CALL command          | Extend API
 CANCEL command        | QUIT command
 CLEAR ALL command     | CLOSE or RELEASE command
 DBEDIT() function     | TBrowse class
 DBF() function        | ALIAS() function
 DECLARE statement     | PRIVATE statement
 DIR command           | DIRECTORY() function
 DO statement          | Use function-calling syntax
 EXTERNAL statement    | REQUEST statement
 FIND command          | SEEK command
 FKLABEL() function    | Use constant value Fn where n ranges from one to 40
 FKMAX() function      | Use constant value of 40
 MOD() function        | Modulus operator (%)
 NOTE command          | C-style comment indicators, /*...*/ and //
 READKEY() function    | LASTKEY() function
 RECCOUNT() function   | LASTREC() function
 RESTORE SCREEN command| RESTSCREEN() function
 SAVE SCREEN command   | SAVESCREEN() function
 SET COLOR command     | SETCOLOR() function
 SET EXACT command     | Not recommended
 SET EXCLUSIVE command | USE command with EXCLUSIVE and SHARED clauses
 SET FORMAT command    | Not recommended
 SET PROCEDURE command | Compiler script files (.clp)
 SET UNIQUE command    | INDEX command with UNIQUE clause
 STORE command         | Inline assignment operator (:=)
 TEXT command          | ? or @...SAY command
 WAIT command          | @...GET...READ command or INKEY() function
 WORD() function       | Extend API

Furthermore some Clipper Language items may be changed ( by meaning or function ) by next versions or next generation dialects. Please attention this point and refer to newer documentations when necessary.

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