Read definition of internal table

is it possible that you can read all fields of an internal table which are for example defined as an quan?

Hi,
when ever we write
loop at itab.
endloop .
means all the fields / columns comes to the header part of the internal table if it is declared with header line or we can read into workarea if it is notdeclared with header line.
Read table itab index 1
or
read table itab with key matnr = v_matnr
                                  maktx = v_maktx
                            binary search.
if sy-subrc = 0 .
write itab-matnr.
endif.
the header part of the internal table will be stored in the header part whenever condition is satisfied.
all the types of fields can be read.there is no specific read stmt depending upon the field type.
but if you want to read only Quant field means you shoud know the field names.otherwise with field types we cant differenciate for reading.
Thanks
Parvathi

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          end of itab.
    Then call the function module GUI_UPLOAD to get the data into your internal table from the file on the frontend. I assume that you know how to use this function module.  You could also use the method GUI_UPLOAD of the class CL_GUI_FRONTEND_SERVICES.
    For example,  say you have a comman delimited file with materail number, plant, quantity in it.
    4000001,0004,1.00
    4000002,0006,2.00
    Define another internal table to hold the data.
    Data: begin of itab2 occurs 0,
          matnr type mara-matnr
          werks type marc-werks
          quant(10) type c.
          end of itab2.
    Then loop at the internal table(ITAB) and use the split statement to split it up into the appropriate fields of the other interal table(ITAB2). 
    Loop at itab.
    clear itab2.
    split itab-rec at ',' into itab2-matnr
                               itab2-werks
                               itab2-quant.
    append itab2.
    endloop.
    That's it.
    Regards,
    Rich Heilman
    Message was edited by: Rich Heilman

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