Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Adding existing set of records in the same file

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Adding existing set of records in the same file
# 1  
Old 11-10-2010
Adding existing set of records in the same file
I have a file with 50,000 records in it, i have a requirement to use the same 50,000 records and add them 4 times to the same file to make a total of 200,000 records. I was wondering how to do this using ksh. Any help is greatly appreciated.
# 2  
Old 11-10-2010
Code:
#!/bin/ksh
for i in 1 2 3 4
do
    cat file >> temp
done
mv temp file

# 3  
Old 11-10-2010
Code:
while read LINE
do
        echo "$LINE"
        echo "$LINE"
        echo "$LINE"
        echo "$LINE"
done < infile > outfile

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Adding a new column to an existing one

I have a data file that looks like this: 0.01 1 3822 4.97379915032e-14 4.96982253992e-09 0 0.01 3822 1 4.97379915032e-14 4.96982253992e-09 0 0.01 2 502 0.00993165137406 993.165137406 0 0.01 502 2 0.00993165137406 993.165137406 0 0.01 4 33 0.00189645523539 189.645523539 0 0.01 33 4... (3 Replies)
Discussion started by: kayak
3 Replies

2. Shell Programming and Scripting

adding line number to *end* of records in file

Given a file like this: abc def ghi I need to get to somestandardtext abc1 morestandardtext somestandardtext def2 morestandardtext somestandardtext ghi3 morestandardtext Notice that in addition to the standard text there is the line number added in as well. What I conceived is... (4 Replies)
Discussion started by: edstevens
4 Replies

3. Shell Programming and Scripting

Adding Header and Trailer records to a appended file

How can we a shell script and pass date parameters .I have 3 files comming from Datastage with |" delimited I need append 3 files as above: File1: P0000|"47416954|"AU|"000|"INS|"0000|"|"20060601|"99991231|"|"|"|"|"01 File 2:... (2 Replies)
Discussion started by: e1994264
2 Replies

4. Shell Programming and Scripting

Adding a new column in a file with other existing columns

Hi All , Kindly help me with this soln awk '{printf "%s %7s \n", $1,$c}' infile where value of variable c I am externally giving input But executing the above command shows all the columns of infile where as I want only 1st column of infile and 2nd column should print value c (8 Replies)
Discussion started by: Pratik4891
8 Replies

5. Shell Programming and Scripting

Adding new fields to an existing layout

Hi Everybody, I have an layout file like below f1 1 char 10, f2 11 char 2, f3 13 char 1, lineend 14 char 1 Their I need to add a new field which would be like f5 char 3, f6 char 2 The o/p should be f1 1 char 10, f2 11 char 2, f3 13 char 1, f5 14 char 3, f6 17 char 2 (3 Replies)
Discussion started by: mr_manii
3 Replies

6. Shell Programming and Scripting

Adding file to an existing tar

Hi Friends, I want to know the command to add a new file in a existing tar file. For Ex: I have a tar file file1.tar with the contents one.txt two.txt three.txt Now I need to add file four.txt to this existing tar file, how can I do it? Thanks in advance (4 Replies)
Discussion started by: mr_manii
4 Replies

7. Shell Programming and Scripting

insert pipes for existing and non-existing records

I have a source file like this, L4058S462 34329094 F51010141TK1070000483L4058S462 34329094 0232384840 381892 182 5690 L4058S462 34329094 F51020141FIRST CLEARING, LLC A/C 3432-9094 L4058S462 34329094 F51030141JOHAN HOLMQVIST ... (1 Reply)
Discussion started by: saravanamr
1 Replies

8. Shell Programming and Scripting

Based on num of records in file1 need to check records in file2 to set some condns

Hi All, I have two files say file1 and file2. I want to check the number of records in file1 and if its atleast 2 (i.e., 2 or greater than 2 ) then I have to check records in file2 .If records in file2 is atleast 1 (i.e. if its not empty ) i have to set some conditions . Could you pls... (3 Replies)
Discussion started by: mavesum
3 Replies

9. Shell Programming and Scripting

Need Help for Adding Three new columns in existing file from fatching data from file

not required this time (36 Replies)
Discussion started by: Sandeep_Malik
36 Replies

10. UNIX for Dummies Questions & Answers

Adding header to an existing file

Dear All, I need to add a header of one line to an already existing file. I know that it can be achieved by the following: echo "Header" > newfile cat file1 >> newfile But my problem is that file is huge and there is no space for creating a new file every time. Is there a way that I can... (5 Replies)
Discussion started by: shash
5 Replies
Login or Register to Ask a Question