Difference between revisions of "BOF()"
From Lianjapedia
Yvonne.milne (Talk | contribs) |
|||
| (One intermediate revision by one other user not shown) | |||
| Line 1: | Line 1: | ||
==Purpose== | ==Purpose== | ||
Function to check if the record pointer is at the beginning of file | Function to check if the record pointer is at the beginning of file | ||
| − | |||
==Syntax== | ==Syntax== | ||
BOF([<workarea | alias>]) | BOF([<workarea | alias>]) | ||
| − | |||
==See Also== | ==See Also== | ||
[[ALIAS()]], [[DBF()]], [[EOF()]], [[FOUND()]], [[GOTO]], [[SELECT]], [[SELECT()]], [[SKIP]], [[USE]] | [[ALIAS()]], [[DBF()]], [[EOF()]], [[FOUND()]], [[GOTO]], [[SELECT]], [[SELECT()]], [[SKIP]], [[USE]] | ||
| − | |||
==Description== | ==Description== | ||
The BOF() function returns .T. if an attempt is made to skip the record pointer before the first logical record of the currently selected table. If the optional <workarea | alias> is specified, then the function will operate in the required location. | The BOF() function returns .T. if an attempt is made to skip the record pointer before the first logical record of the currently selected table. If the optional <workarea | alias> is specified, then the function will operate in the required location. | ||
| − | |||
==Example== | ==Example== | ||
| Line 25: | Line 21: | ||
</code> | </code> | ||
| − | |||
| − | |||
| − | |||
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| − | |||
| − | |||
[[Category:Cursor Functions]] | [[Category:Cursor Functions]] | ||
Latest revision as of 10:50, 4 February 2013
Contents
Purpose
Function to check if the record pointer is at the beginning of file
Syntax
BOF([<workarea | alias>])
See Also
ALIAS(), DBF(), EOF(), FOUND(), GOTO, SELECT, SELECT(), SKIP, USE
Description
The BOF() function returns .T. if an attempt is made to skip the record pointer before the first logical record of the currently selected table. If the optional <workarea | alias> is specified, then the function will operate in the required location.
Example
use orders ? bof() .F. skip -1 ? bof() .T.
