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Chapter 5 Script Commands

Scripting Guide 149

MKTEMP

Syntax:

MKTEMP($Pattern) ==> $FileName

Description:

Returns a unique file name.

Action:

Creates a file name based on the given pattern that is

guaranteed to be unique (not used) at the time of

creation. This is intended for use in situations where a

temporary file name is needed. Please note that

MKSTEMP is preferred to avoid race conditions.

MKTEMP is provided for backward compatibility.

Parameters:

$Pattern: String expression. This is a filename with

some number of 'Xs' appended to it. The 'Xs' will be

replaced with letters and numbers so that the

filename is unique.

Returns:

String value, unique file name (or am empty string on

failure)

Example:

$TempFileName := MKTEMP("/tmp/fooXXXXXX")

$Command := "ls -la > " + $TempFileName

%rc := SYSEXEC( $Command )

IF ( %rc >= 0 )

%Handle := FOPEN( $TempFileName )

IF ( %Handle != ERROR )

%rc := FREAD( %Handle, $Temp )

IF ( %rc >= 0 )

LOG( LOG_FLT, "First line is " + STR(

$Temp ), 8)

ENDIF

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Visara Master Console Center Scripting Guide Manuale Utente Pagina 149