How to get the number of lines of a file?

Folks:
Is there a way to get the number of lines of a text file? I don't know if there is an existing method to do that.
Thanks a lot.

HI
I found some solution
other than increment loop and all
here is the code it might helpful to u
//returns the number of lines in a file
//author : Ravindra S
//Symphony software Hyderabad
try
RandomAccessFile randFile = new RandomAccessFile(csvFile,"r");
long lastRec=randFile.length();
randFile.close();
FileReader fileRead = new FileReader(csvFile);
LineNumberReader lineRead = new LineNumberReader(fileRead);
lineRead.skip(lastRec);
countRec=lineRead.getLineNumber()-1;
fileRead.close();
lineRead.close();
catch(IOException e)

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Hi,
Here is the solution code for this :-
data for controlling paging on screen 0102
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In the below code am trying to read the lines which are selected using a check box, also am categorizing the contents depending on the follow up material.
after displaying one category contents am displaying a line
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In the below code am trying to read the lines which are selected using a check box, also am categorizing the contents depending on the follow up material.
after displaying one category contents am displaying a line
which also counts to a line in the internal table.
My question is how to count the number of lines(ULINE) displayed dynamically.
FORM GET_LINES .
DATA: LV_LINES TYPE I,
        LV_TIMES TYPE I,
        LV_TABIX TYPE SY-TABIX.
DESCRIBE TABLE IT_REC LINES LV_LINES.
DO LV_LINES TIMES.
    LV_TIMES = SY-INDEX .
    READ LINE LV_TIMES FIELD VALUE IT_REC-CHECK INTO GV_CHECK.
    IF SY-SUBRC EQ 0 AND GV_CHECK IS NOT INITIAL.
      LV_TABIX = LV_TIMES.
      READ TABLE IT_REC INDEX LV_TABIX INTO GWA_UPDATE.
      IF SY-SUBRC EQ 0.
        APPEND GWA_UPDATE TO GT_UPDATE.
      ENDIF.
    ENDIF.
ENDDO.
ENDFORM.                    " GET_LINES
The display function is:
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ULINE.
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ULINE.
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          IT_MARC-EISBE TO IT_REC-EISBE,
          IT_MARC-PARTC TO IT_REC-PARTC .
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