How to redirect in comma separated csv from grep


 
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# 15  
Old 08-25-2012
Hi bakunin,

1. I have bunch of log files. I have to look for all the logs from 20th August onwards by seeing their timestamps.
2. Now what I have to look for is:
i) 15 different keywords in each of those log files and get the 5th column as well as the count of those keywords. In each log files for each row there will only one keyword, so multiple keyword will not appear in same row.

3. Then store the output of this grep command in excel.
4. In java read that excel file and call database to compare some values and produce the final output in final excel.

Example log:-
abc.com 20120816141935 sasas1 keyword1 noneAAAAAAAAAAAA noneAAAAAAAAAAAA 0 0 N sasasasa
abc.com 20120816141935 sasasa keyword2 noneAAAAAAAAAAAB noneAAAAAAAAAAAA 0 0 N sasasasa
abc.com 20120816141935 sasasa keyword2 noneAAAAAAAAAAAC noneAAAAAAAAAAAA 0 0 N sasasasa

keyword:- keyword1, keyword2

Output required in excel:-

keyword1 noneAAAAAAAAAAAA
keyword2 noneAAAAAAAAAAAB
keyword2 noneAAAAAAAAAAAC

Note:- I am reading the created excel using POI api in Java which is causing error.

Java Code:-
Code:
public Vector ReadCSV(String fileName) {
                Vector cellVectorHolder = new Vector();

                try {
                        FileInputStream myInput = new FileInputStream(fileName);
                        POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);
                        HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);
                        HSSFSheet mySheet = myWorkBook.getSheetAt(0);
                        Iterator rowIter = mySheet.rowIterator();

                        while (rowIter.hasNext()) {
                                HSSFRow myRow = (HSSFRow) rowIter.next();
                                Iterator cellIter = myRow.cellIterator();
                                Vector cellStoreVector = new Vector();
                                while (cellIter.hasNext()) {
                                        HSSFCell myCell = (HSSFCell) cellIter.next();
                                        cellStoreVector.addElement(myCell);
                                }
                                cellVectorHolder.addElement(cellStoreVector);
                        }
                } catch (Exception e) {
                        e.printStackTrace();
                }
                return cellVectorHolder;
        }


Last edited by kmajumder; 08-26-2012 at 05:32 PM..
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