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MiniRobotLanguage (MRL)
TXT.glp
TXT.Get_Line_Position
Get Byte-Position of Line with the specified Number from TXT.-internal Buffer into Variables.
Intention
This command is used to get a specified Line-Position from the Text that is in the Internal TXT-Buffer into a Variables.
Variable P2 will contain the number of the first byte of Line Nr. P1. Variable P3 will contain the number of the last character of Line P1,
the following $crlf$ is not included. Threrefore if a line is followed by $crlf$ then these bytes will come after P3.
' Get Line Number $$NUM into $$LIN
VAR.$$LAA=?path\..\Pics\Test.txt
TXT.lft|$$LAA
$$NUM=15
' Get star- and ENd-Byte from Line 15
TXT.glp|$$NUM|$$STA|$$END
CFF.$$LAA|$$TXT
GSS.$$STA|$$END|$$TXT|$$LAE
' Line is now in $$LAE
LEN.$$LAE|$$RES
MBX.Line 10 is: $crlf$ $$LIN
Syntax
TXT.glp|P1|P2|P3
TXT.Get_Line_Position|P1|P2|P3
Parameter Explanation
P1 - (Input,numeric) Variable with Line-Number.
P2 - (Output) Variable will contain the Start-Byte of the specified Line. If omitted, the result is placed on TOS.
P3 - (Output) Variable will contain the End-Byte of the specified Line. If omitted, the result is placed on TOS.
Example
'*****************************************************
' EXAMPLE 1: TXT.glp
'*****************************************************
' Get Line Number $$NUM into $$LIN
VAR.$$LAA=?path\..\Pics\Test.txt
TXT.lft|$$LAA
$$NUM=15
' Get star- and ENd-Byte from Line 15
TXT.glp|$$NUM|$$STA|$$END
CFF.$$LAA|$$TXT
GSS.$$STA|$$END|$$TXT|$$LAE
' Line is now in $$LAE
LEN.$$LAE|$$RES
MBX.Line 10 is: $crlf$ $$LIN
ENR.
Remarks
-
Limitations:
-
See also:
• IEF. / NEF. - If - exist - File