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<< Click to Display Table of Contents >> Navigation: ThinBASIC Core Language > BuiltIn Functions > String functions > GRABF$ |
Description
FAST version of GRAB$ function working on scalar string variable only!
Returns a string delimited by StrDelim_1 and and StrDelim_2
Syntax
s = GRABF$(StringVariable, StrDelim_1, StrDelim_2 [, Index])
Returns
String
Parameters
Name |
Type |
Optional |
Meaning |
StringVariable |
Variable |
No |
IMPORTANT: a scalar string variable.
The string to parse. |
StrDelim_1 |
String |
No |
First delimiter |
StrDelim_2 |
String |
No |
Second delimiter |
Index |
Numeric |
Yes |
The delimited field number to return. If omitted, 1 is assumed. |
Remarks
Restrictions
See also
Examples
#MinVersion 1.10.4
uses "Console"
PrintL "-----------------------------------------------------------------" in %CCOLOR_FYELLOW
PrintL "---Load XML from https://www.w3schools.com/xml/cd_catalog.xml ---" in %CCOLOR_FYELLOW
PrintL "---Using winhttp.winhttprequest.5.1 COM Object ---" in %CCOLOR_FYELLOW
PrintL "---And parse string buffer (XML) using GRAB$ ---" in %CCOLOR_FYELLOW
PrintL "-----------------------------------------------------------------" in %CCOLOR_FYELLOW
PrintL "---WinHttpRequest object reference: ---" in %CCOLOR_FYELLOW
PrintL "---https://msdn.microsoft.com/en-us/library/windows/desktop/aa384106(v=vs.85).aspx" in %CCOLOR_FYELLOW
PrintL "-----------------------------------------------------------------" in %CCOLOR_FYELLOW
iDispatch oHTTP
String sXML
string sCD
string sTitle
long lCDIndex
printl "Creating winhttp.winhttprequest.5.1 object ..."
ohttp = NewCom("winhttp.winhttprequest.5.1")
if IsComObject(oHttp) then
printl "Object creation was ok"
printl "Now Getting XML ..." in %CCOLOR_FYELLOW
'---Open connection, send request, get response
oHTTP.Open("GET", "https://www.w3schools.com/xml/cd_catalog.xml")
oHTTP.Send
sXML = oHTTP.Responsetext
PrintL "All done." in %CCOLOR_FYELLOW
PrintL "---Press a key to print XMl content---" in %CCOLOR_FYELLOW
WaitKey
'---Print XML content
printl sXML
printl "---Now Parsing XML using GRAB$..." in %CCOLOR_FYELLOW
PrintL "---Press a key to start---" in %CCOLOR_FYELLOW
WaitKey
'---Loop till we have a <CD> node
lCDIndex = 1
Do
'---Grab all <CD></CD> nodes
sCD = grabf$(sXML, "<CD>", "</CD>", lCDIndex)
if len(sCD) Then
'---From <CD> node get <TITLE> node
sTitle = grabf$(sCD, "<TITLE>", "</TITLE>")
printl lCDIndex, "CD Title:", sTitle in %CCOLOR_FCYAN
printl $tab, "<CD> node content" in %CCOLOR_FLIGHTMAGENTA
printl sCD
incr lCDIndex
end If
loop while len(sCD)
'---Release object
oHttp = nothing
Else
PrintL "Error creating winhttprequest.5.1 COM Object" in %CCOLOR_FLIGHTRED
end if
PrintL "---All done, press a key to end---" in %CCOLOR_FYELLOW
WaitKey