In ABAP How to locate an Input file from a Directory during run time

I'm loading data from a flat file(text file) into SAP thru BDC programs. All my input files are present in Application server.How to locate an Input file in a directory during run time to process BDC programs programmatically. Are there any in-built functions?Provided me some sample code or any method of doing the same.

Hello Murali,
you should ask this question in the ABAP forum.
Regards
Gregor

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Can anyone help me in moving a file from one directory to another?
The following code just does not work!!
File source_file = new File(source_file);
if(source_file.exists())
File dest_file = new File(destination_file);
if(!dest_file.exists())
boolean moved = source_file.renameTo(dest_file);
System.out.println("moved.."+moved);
The varirable moved is always false.
Can anyone tell me whts wrong in this code?

The problem in your code is you used file object as argument when you create a new File. I changed a little bit codes and it should be fine now.
String source_file1="test111.txt";
String destination_file1="test222.txt";
try{
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     if(source_file.exists())
          File dest_file = new File(destination_file1);
          if(!dest_file.exists())
               boolean moved = source_file.renameTo(dest_file);
               System.out.println("moved.."+moved);
catch(Exception e){
           e.printStackTrace();
}

How do i delete Older files from the directory before create a new file?

Hi,
How do i delete older files in a particular directory,
the senorio is count the number of .txt files in a directory and delete the older files if file count is more than 10. (if i add 11th file the very first file has to be deleted)
i have written the code to count the files and delete , but it is deleting all the files instead of older file
public class ExtensionFilter implements FilenameFilter {
private String extension;
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public class FileUtils{
public static void main(String args[]) throws Exception {
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file = new File(directory, list[i]);
if ((list[i]).length()>=10)
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Thanks,
Jamin Rosina

What your code is doing now, is deleting all filenames that are longer than 10 characters.
Your problem lies in the line:
if ((list).length()>=10)

How do I delete a file from a directory

I want to delete the file I have finished processing in the c:\upload directory but the f.delete() command is not working. Am I using this command correctly?
The f.delete() is after I copy the file to an archive directory.
Program:
import java.io.*;
import java.util.*;
import java.text.*;
import java.sql.*;
public class ReadSource {
public static void main(String[] args) throws Exception {
     StringTokenizer st1;
          String val1, val3, val4, val5, val9, val10, val11, val12, val13, val14, val16;
          String val2, val6, val7, val8, val15, val17, val18, val19, val20;
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          FileWriter outFile = new FileWriter("C://RIFIS/log/logfile.txt", true);
          String filetext = "Starting RIFIS Upload";
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          SimpleDateFormat form = new SimpleDateFormat("dd/MMM/yyyy hh:mm:ss");
          String dateString = form.format(d);
     try {
          Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@xxxxx.xxxx.xxx:1521:xx","xxxxxx","xxxx");
                    Statement st = conn.createStatement();
                    outFile.write(System.getProperty("line.separator"));
                    outFile.write(filetext+" - "+dateString);
                    if (f.isDirectory())
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          FileReader file = new FileReader(f+"/"+s[i]);
                              File inputFile = new File(f+"/"+s[i]);
                              File outputFile = new File("C://RIFIS/archive/"+s[i]);
                    BufferedReader buff = new BufferedReader(file);
                    boolean eof = false;
                    String val0="";
                    ResultSet rec = st.executeQuery("SELECT landings_hold_batch_seq.nextval FROM dual");
                    while(rec.next())
                    { val0 = rec.getString(1); }
                              cnt=0;
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                    { String line = buff.readLine();
                         if (line == null)
                         { eof = true; }
                         else
                         { //System.out.println(line);
                                   cnt = cnt+1;
                              st1 = new StringTokenizer(line,",");
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                                   val2 = st1.nextToken();
                                   val3 = st1.nextToken();
                                   val4 = st1.nextToken();
                                   val5 = st1.nextToken();
                                   val6 = st1.nextToken();
                                   val7 = st1.nextToken();
                                   val8 = st1.nextToken();
                                   val9 = st1.nextToken();
                                   val10 = st1.nextToken();
                                   val11 = st1.nextToken();
                                   val12 = st1.nextToken();
                                   val13 = st1.nextToken();
                                   val14 = st1.nextToken();
                                   val15 = st1.nextToken();
                                   val16 = st1.nextToken();
                                   val17 = st1.nextToken();
                                        val18 = st1.nextToken();
                                        val19 = st1.nextToken();
                                        val20 = st1.nextToken();
                                   /*System.out.println("Token 0: " + val0);
                              System.out.println("Token 1: " + val1);
                              System.out.println("Token 2: " + val2);
                                   System.out.println("Token 3: " + val3);
                                   System.out.println("Token 4: " + val4);
                                   System.out.println("Token 5: " + val5);
                                   System.out.println("Token 6: " + val6);
                                   System.out.println("Token 7: " + val7);
                                   System.out.println("Token 8: " + val8);
                                   System.out.println("Token 9: " + val9);
                                   System.out.println("Token 10: " + val10);
                                   System.out.println("Token 11: " + val11);
                                   System.out.println("Token 12: " + val12);
                                   System.out.println("Token 13: " + val13);
                                   System.out.println("Token 14: " + val14);
                                   System.out.println("Token 15: " + val15);
                                   System.out.println("Token 16: " + val16);
                                   System.out.println("Token 17: " + val17);
                                        System.out.println("Token 18: " + val18);
                                        System.out.println("Token 19: " + val19);
                                        System.out.println("Token 20: " + val20);*/
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                         FileWriter out = new FileWriter(outputFile);
int c;
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          catch(Exception e)
               { outFile.write(System.getProperty("line.separator"));
               outFile.write("ALERT....ALERT....ALERT");
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               outFile.write("My Error: " + e);
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Gave it a try but file c:\upload\DS121002.csv did not go away. Here is the location of my delete command:
st.executeUpdate("INSERT INTO LANDINGS_HOLD (lh_id, lh_batch, supplier_dr_id, supplier_unique_id, supplier_dealer_id, supplier_cf_id, supplier_vessel_id, unload_year, unload_month, unload_day, state_code, county_code, port_code, itis_code, market, grade, reported_quantity, unit_measure, dollars, lh_loaddt, lh_loadlive, purch_year, purch_month, purch_day)" +
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                         FileReader in = new FileReader(inputFile);
                         FileWriter out = new FileWriter(outputFile);
int c;
                         while ((c = in.read()) != -1)
                         { out.write((char)c); }
                         in.close();
                         out.close();
                         inputFile.delete();
                         outFile.write(System.getProperty("line.separator"));
............

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hi check the development manual for reference
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In ABAP How to locate an Input file from a Directory during run time

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