MatchPos

Syntax

MatchPos(num_pos, num_length);

num_pos	Number specifying the position from which the length of data will be returned.
num_length	Number specifying the length of the data to be returned.

Description

Returns the content of the data from position num_1 with the length num_2. Only available within scripts in StreamIN description files.

Returns

A string containing the contents of the specified position.

Example

From a FieldIN Description file (*.dsc):

SCRIPTFIELD
{
    if(strrblk(matchpos(12,41-12))=""){
        if(strrblk(matchpos(42,172-42))="")
            return strrblk(matchpos(2,8));
        else
            return strrblk(matchpos(2,8))+"_"+strrblk(matchpos
                                                     (42,172-42));
    }
    if (strrblk(matchpos(42,172-42))="")
    return
        strrblk(matchpos(2,8))+"_"+strrblk(matchpos(12,41-12));
    else
    return strrblk(matchpos(2,8))+"_"+strrblk
            (matchpos(12,41-12))+"_"+strrblk(matchpos(42,172-42));
}