TCL PickBASIC / FlashBASIC Definitions C Functions ACCESS / AQL Tools

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PickBASIC / FlashBASIC 571

A

abort statement abs() function access() function Accessing VME resources from a rule module alpha() function and logical operator Arithmetic expressions Arithmetic operators Array references Array variable Arrays Arrays and relational expressions ascii() function assigned() function Assignment Attribute count expression aux statement

B

BASIC BASIC clauses BASIC functions BASIC operators BASIC overview BASIC reserved characters BASIC screen utilities BASIC statements BASIC symbolic debugger BASIC user exits begin case statement begin work statement block/unblock statements Boolean evaluation break statement

C

call statement capturing clause capturing statement case statement casing statement cat relational operator Cataloging a FlashBASIC Module cfunction statement chain statement change() function char() function clear statement cleardata statement clearfile statement clearselect statement close statement col1() function col2() function commit work statement common statement compare statement Compile stamps Compiler directives Compiling programs continue statement Conversion expression convert statement convert() function cos() function count() function Creating a FlashBASIC module Creating user-defined C functions (D3 UNIX)Creating user-defined C functions (D3 Windows)crt statement

D

Data representation data statement date() function dcount() function debug statement Default File Variables deffun statement del statement delete statement delete() function dimension statement do clause dquote() function dtx() function

E

ebcdic() function echo statement else clause end case statement end statement enter statement Environment variables in triggers eq assignment operator equate statement ereplace() function Error condition Error logging error statement error() function exchange() function execute statement execute statement (UNIX)exit statement exp() function extract() function

F

field() function file statement File variable filelock statement fileunlock statement Flash interpreter FlashBASIC and BASIC differences FlashBASIC automation application interfaces FlashBASIC C functions FlashBASIC C functions list FlashBASIC C functions overview FlashBASIC modules FlashBASIC triggers fmt() function fold() function footing statement for...next statement Format strings function statement Functions

G

ge relational operator get statement getx statement Global Common gosub statement goto statement gt relational operator

H

heading statement

I

iconv() function ID expression if statement ifr statement in statement index() function inmat() function input statement inputclear statement inputctrl statement inputerr statement inputerr statement (Windows)inputif statement inputnull statement inputparity statement inputtrap off statement inputtrap...gosub statement inputtrap...goto statement ins statement insert() function Inserting a trigger int() function

K

L

le relational operator len() function let statement ln() function locate statement locate() function lock statement locked clause Logical expressions loop statement lt relational operator

M

Masking mat statement matbuild statement match relational operator matparse statement matread statement matreadu statement matwrite statement matwriteu statement maximum() function minimum() function mod() function

N

Named common Named common in triggers ne relational operator next statement Nonfatal error condition not() function Nuclear tokens Null evaluation null statement num() function Numeric expressions nxtkey statement

O

O/S interoperability commands and functions occurs() function oconv() function on error clause on...gosub statement on...goto statement onerr clause open statement Operators or logical operator out statement

P

page statement Passing D3 Visual Basic objects Passing Visual Basic arguments Performance Precedence precision statement print on statement print statement printchar statement printer statement printerr statement procread statement procwrite statement program statement prompt statement prvkey statement pwr() function

R

read statement readf statement readnext statement readt statement readtx statement readv statement Recompiling a trigger Relational expressions Relational operators release statement rem statement rem() function remove statement repeat statement replace statement replace() function Reserved characters Reserved words Retrieval locks return statement rewind statement rnd() function rollback work statement root statement rqm statement Running a FlashBASIC module Running FlashBASIC from a Windows command prompt Running FlashBASIC from Visual Basic

S

scan() function screen.display utility screen.erase utility screen.init utility screen.input utility select statement send statement sendx statement sentence() function seq() function setting clause sin() function sleep statement sort() function soundex() function space() function spoolq statement sqrt() function squote() function statement blocks statement labels Statements and functions status() function stop statement str() function String expressions subroutine statement Substring expressions Substrings Subvalue count expressions sum() function summation() function swap() function Symbol table (BASIC)system() function

T

ta statement ta() function tan() function tcl statement tclread statement then clause then/else statement blocks time() function timedate() function timeout statement transaction abort statement transaction cache statement transaction commit statement transaction flush statement transaction rollback function transaction start function transaction statement trim() function trimb() function trimf() function

U

u$pl.mon.data user exit u0003 user exit u0004 user exit u0005 user exit u000e user exit u0010 user exit u0011 user exit u001c user exit u001e user exit u001f user exit u0033 user exit u0039 user exit u005b user exit u0074 user exit u0079 user exit u007a user exit u0089 user exit u009d user exit u009e user exit u009f user exit u00b9 user exit u00ba user exit u014a user exit u014b user exit u017e user exit u01b6 user exit u0209 user exit u0358 user exit u0c user exit u1072 user exit u10b9 user exit u11b6 user exit u1209 user exit u1a user exit u1f user exit u20b9 user exit u21 user exit u2117 user exit u21a3 user exit u21b6 user exit u22 user exit u222d user exit u28 user exit u3060 user exit u3079 user exit u307a user exit u3090 user exit u313c user exit u352e user exit u3b user exit u3f user exit u4070 user exit u407a user exit u4117 user exit u413c user exit u4209 user exit u47 user exit u48 user exit u50bb user exit u5117 user exit u5e user exit u60ba user exit u60bb user exit u6193 user exit u63 user exit u65 user exit u6d user exit u7000 user exit u70ba user exit u71 user exit u7193 user exit u8194 user exit u83 user exit u84 user exit u86 user exit u90 user exit u90e3 user exit u91 user exit u9116 user exit u92 user exit u98 user exit ua116 user exit ub070 user exit ub0ba user exit uc0ba user exit uclose command ucreate command ud0ba user exit udelete command ue0ba user exit uerror() function uexecute command uf070 user exit ulock command ulseek() function umessage command unassigned() function unlock statement until clause uopen command uread command ureadline() function Using the COM interface to FlashBASIC usystem() function uwaitfor command uwrite command

V

Value count expression Variables

W

wakeup statement weof statement while clause write statement writet statement writetx statement writeu statement writev statement writevu statement writex statement

X

xsuex user exit xtd() function

#

- arithmetic operator -= assignment operator , reserved character ; reserved character : relational operator := assignment operator ! logical operator ! statement " Reserved Character () reserved characters [] reserved characters @() function * arithmetic operator * statement *= assignment operator / arithmetic operator /= assignment operator \ arithmetic operator \ reserved character \= assignment operator & logical operator # relational operator %accept_ssl() function %accept_starttls() function %accept() function %alarm() function %bind() function %calloc() function %chdir() function %chmod() function %chown() function %close_ssl() function %close() function %closeall() function %closesocket() function %CoCreateObject interface %CoGetDispatch interface %CoGetException interface %CoInitialize interface %CoInvoke interface %connect_ssl() function %connect_starttls() function %connect() function %CoPropertyGet interface %CoPropertyPut interface %CoQueryInterface interface %CoQueryMethod interface %CoRelease interface %CoUninitialize interface %creat() function %decrypt() function %dup() function %encrypt() function %endlistilocks() function %fclose() function %fdopen() function %fgetc() function %fgets() function %filecheck() function %fopen() function %fprintf() function %fputc() function %fputs() function %fread() function %free() function %freopen() function %fsize() function %fwrite() function %getaddrinfo() function %getenv() function %gethostid() function %gethostname() function %getnamedhost() function %getperfcount() function %getpgrp() function %getpid() function %getppid() function %getsockopt() function %inet_addr() function %ioctl() function %ioctlsocket() function %kill() function %listen() function %listitemlocksfilter() function %lseek() function %malloc() function %memccpy() function %memchr() function %memcopy() function %memcpy() function %memxcpy() function %open() function %pause() function %pclose() function %pgetpid() function %popen() function %printf() function %putenv() function %rdhex() function %read_ssl() function %read() function %readregistry() function %realloc() function %recv() function %recvfrom() function %semctl() function %semget() function %semop() function %send() function %sendto() function %setflush() function %setsockopt() function %shell() function %shellcapture() function %shmat() function %shmctl() function %shmdt() function %shmget() function %shutdown() function %socket() function %sprintf() function %startfileio() function %startlistilocks() function %stopfileio() function %strcat() function %strcpy() function %strlen() function %ttyname() function %unlink ()function %wait() function %whex() function %write_ssl() function %write() function ^ arithmetic operator + arithmetic operator += assignment operator <= relational operator <> relational operator <> reserved characters = assignment operator > relational operator >< relational operator >= relational operator $* directive $chain directive $chain statement $DEFINE directive $IFDEF directive $IFNDEF directive $include directive $include statement $options directive $options statement $UNDEFINE directive

Home/PickBASIC / FlashBASIC/BASIC/BASIC overview

PickBASIC / FlashBASIC

Null evaluation

Represents an empty string or decimal zero value depending on the context, string, or arithmetic operation.

See also

Boolean evaluation→

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