View source

== (**COPIED FROM ENGLISH PAGE**) === <span class="f_Header">Action</span> =

Returns a free Filenumber.

<span style="font-family: Arial;">&nbsp;</span>

<span style="font-family: Arial;">&nbsp;</span>

= <span class="f_Header">Syntax</span> =

bFileNumber =&nbsp;<span class="f_Syntax">FREEFILE</span>()

<span style="font-family: Arial;">&nbsp;</span>

<span style="font-family: Arial;">&nbsp;</span>

= <span class="f_Header">Remarks</span> =
<div style="padding: 0px; margin: 0px 0px 0px 4px;">
{| width="609" cellspacing="0" cellpadding="1" border="1" style="border: 2px solid rgb(0, 0, 0); border-spacing: 0px; border-collapse: collapse;"
|- style="vertical-align: top;"
| valign="top" width="24%" style="width: 142px; border: 1px solid rgb(0, 0, 0);" | 
bFileNumber

| valign="top" width="100%" style="width: 458px; border: 1px solid rgb(0, 0, 0);" | 
A byte variable , which can be used for opening next file

|}
</div>
<span style="font-family: Arial;">&nbsp;</span>

<span style="font-family: Arial;">&nbsp;</span>

This function gives you a free file number, which can be used for file – opening statements. In contrast to VB this file numbers start with 128 and goes up to 255. Use range 1 to 127 for user defined file numbers to avoid file number conflicts with the system numbers from FreeFile()

<span style="font-family: Arial;">&nbsp;</span>

This function is implemented for compatility with VB.

<span style="font-family: Arial;">&nbsp;</span>

<span style="font-family: Arial;">&nbsp;</span>

= <span class="f_Header">See also</span> =

[[INITFILESYSTEM]] , [[OPEN]] , [[CLOSE]], [[FLUSH]] , [[PRINT]], [[LINE INPUT]], [[LOC]], [[LOF]] , [[EOF]] , [[FILEATTR]] , [[SEEK]] , [[BSAVE]] , [[BLOAD]] , [[KILL]] ,[[DISKFREE]] , [[DISKSIZE]] , [[GET]] , [[PUT]] , [[FILEDATE]] , [[FILETIME]] , [[FILEDATETIME]] , [[DIR]] , [[FILELEN]] , [[WRITE]] , [[INPUT]]

<span style="font-family: Arial;">&nbsp;</span>

<span style="font-family: Arial;">&nbsp;</span>

= <span class="f_Header">ASM</span> =
<div style="padding: 0px; margin: 0px 0px 0px 4px;">
{| width="634" cellspacing="0" cellpadding="1" border="1" style="border: 2px solid rgb(0, 0, 0); border-spacing: 0px; border-collapse: collapse;"
|- style="vertical-align: top;"
| valign="top" width="25%" style="width: 156px; border: 1px solid rgb(0, 0, 0);" | 
Calls

| valign="top" width="36%" style="width: 224px; border: 1px solid rgb(0, 0, 0);" | 
_GetFreeFileNumber

| valign="top" width="39%" style="width: 242px; border: 1px solid rgb(0, 0, 0);" | 
<span style="font-family: Arial;">&nbsp;</span>

|- style="vertical-align: top;"
| valign="top" width="25%" style="width: 156px; border: 1px solid rgb(0, 0, 0);" | 
Input

| valign="top" width="36%" style="width: 224px; border: 1px solid rgb(0, 0, 0);" | 
none

| valign="top" width="39%" style="width: 242px; border: 1px solid rgb(0, 0, 0);" | 
<span style="font-family: Arial;">&nbsp;</span>

|- style="vertical-align: top;"
| valign="top" width="25%" style="width: 156px; border: 1px solid rgb(0, 0, 0);" | 
Output

| valign="top" width="36%" style="width: 224px; border: 1px solid rgb(0, 0, 0);" | 
r24: Filenumber

| valign="top" width="39%" style="width: 242px; border: 1px solid rgb(0, 0, 0);" | 
r25: Errorcode

|- style="vertical-align: top;"
| valign="top" width="25%" style="width: 156px; border: 1px solid rgb(0, 0, 0);" | 
<span style="font-family: Arial;">&nbsp;</span>

| valign="top" width="36%" style="width: 224px; border: 1px solid rgb(0, 0, 0);" | 
C-Flag: Set on Error

| valign="top" width="39%" style="width: 242px; border: 1px solid rgb(0, 0, 0);" | 
<span style="font-family: Arial;">&nbsp;</span>

|}
</div>
<span style="font-family: Arial;">&nbsp;</span>



<span style="font-family: Arial;">&nbsp;</span>

= <span class="f_Header">Partial Example</span> =

<br/><source lang="bascomavr">
Ff =Freefile() ' get file handle
Open"test.txt" For Input As #ff ' we can use a constant for the file too
Print Lof(#ff);" length of file"
Print Fileattr(#ff);" file mode" ' should be 1 for input
Do
 LineInput #ff , S ' read a line
' line input is used to read a line of text from a file
Print S ' print on terminal emulator
Loop UntilEof(ff)<> 0
'The EOF() function returns a non-zero number when the end of the file is reached
'This way we know that there is no more data we can read
Close #ff
</source><br/>{{Languages}}

[[Category:BASCOM Language Reference/de]]