LlStringTrim

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/LSL

StringTrim

llStringTrim

Summary

Function: string llStringTrim( string src, integer type );

330	Function ID
0.0	Forced Delay
10.0	Energy

Returns a string that is src with leading and/or trailing white space (spaces, tabs, and line feeds) trimmed from it.

• string	src
• integer	type	–	STRING_TRIM* flag(s)

Constant		Description
STRING_TRIM_HEAD	0x01	Trims spaces off the beginning.
STRING_TRIM_TAIL	0x02	Trims spaces off the end
STRING_TRIM	0x03	Trims spaces off the beginning and end.

Caveats

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Examples

integer channel;                        // will be set by notecard
string NOTECARD_NAME = "configuration";  // name of notecard goes here

key KQuery;                   // to seperate Dataserver requests

// UPDATES
integer line;

default
{
    changed(integer change)         
    {
        // We want to reload channel notecard if it changed
        if (change & CHANGED_INVENTORY)
        {
        llResetScript();
        }
         
    }
    state_entry()
    {
        KQuery = llGetNotecardLine(NOTECARD_NAME, line);// request line
        line++ ;
    }
    
    dataserver(key query_id, string data) {
        if (query_id == KQuery) {
            if (data != EOF) {    // not at the end of the notecard
                // yay!  Parsing time
                // first, is it a comment? or an empty line?
                if (llGetSubString (data, 0, 0) != "#" && llStringLength (data) > 0)
                {
                    list parsed = llParseString2List (data, ["="], [""]) ;
                    string token = llToLower (llStringTrim (llList2String (parsed, 0), STRING_TRIM)) ;
                    if (token == "command_channel")
                        channel = (integer)llStringTrim (llList2String (parsed, 1), STRING_TRIM) ;
                }

                KQuery = llGetNotecardLine(NOTECARD_NAME, line);
                line++;
            } else {
                llOwnerSay ("Done Reading Notecard: " + (string)NOTECARD_NAME) ;
state configuration ;
            }
        }
    }  

}

state configuration
{
 
            state_entry()
            {
            llListen(channel, "", "", "");
            llShout(0, "Channel set to " + (string)channel);
            }   
}

Submitted by Revolution Perenti

Notes

This function is available in 1.13.4 onwards...

The following examples will make the same result.

string src = "   Dah    ";
st = llStringTrim(src, STRING_TRIM_HEAD);
st = llStringTrim(st , STRING_TRIM_TAIL);

string src = "   Dah    ";
st = llStringTrim(src, STRING_TRIM);

This is because (STRING_TRIM_HEAD | STRING_TRIM_TAIL) == STRING_TRIM.

Deep Notes

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Signature
function string llStringTrim( string src, integer type );