how to edit large file in unix


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting how to edit large file in unix
# 1  
Old 12-14-2006
PHP how to edit large file in unix

hi All,
Plz let me know how to edit a file with 2000000 records.
each record contains with 40 field seperated by |.

i want modify 455487 record, but i am uable to edit this large file using vi editor in unix.

plz let me know how to modify this file.


Thanks in advance.
-Bali Reddy
# 2  
Old 12-14-2006
You should consider sed. What change do you want to make on the record?
# 3  
Old 12-14-2006
get this file using edit plus from unix to windows do a search and replace and then save.
# 4  
Old 12-14-2006
Split the file and then edit it and then after again join the file
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

How to edit a file on a UNIX Server

Hi i have to edit a file on our UNIX Server, but i have no idea how to do that. The only thing that i managed till now is to get acces to it via ssh. I get into it via Terminal because i use Osx. I have the advice to edit this file: 1 - You must edit this file: / Conf /... (7 Replies)
Discussion started by: Blub
7 Replies

2. Shell Programming and Scripting

How to edit a large file

Whenever I am trying to edit a file in unix with vi editor, I am getting the following error: <data> :Tmp file too large Is there any way that I can edit the file other than vi. Any help is really appreciated. Thanks (10 Replies)
Discussion started by: bobby1015
10 Replies

3. Shell Programming and Scripting

Verify large file with Unix function

I am seeking help on one UNIX function writting. Please help. I have a large file, named 'MyFile', It was tab-delmited. I am told that each line in 'MyFile' has 7 columns, and that the values in the 5th column are integers. How do I use shell functions (and standard LINUX/UNIX filters) to verify... (1 Reply)
Discussion started by: duke0001
1 Replies

4. Shell Programming and Scripting

Performance issue in UNIX while generating .dat file from large text file

Hello Gurus, We are facing some performance issue in UNIX. If someone had faced such kind of issue in past please provide your suggestions on this . Problem Definition: /Few of load processes of our Finance Application are facing issue in UNIX when they uses a shell script having below... (19 Replies)
Discussion started by: KRAMA
19 Replies

5. Shell Programming and Scripting

Scripting the process to edit a large file

Hi, I need to make a script to edit a file. File is a large file in below format Version: 2008120101 ;$INCLUDE ./abc/xyz/Delhi ;$INCLUDE ./abc/xyz/London $INCLUDE ./abc/xyz/New York First line in the file is version number which is in year,month,date and serial number format. Each... (5 Replies)
Discussion started by: makkar4u
5 Replies

6. Shell Programming and Scripting

Edit a large file in place

:confused:Folks, I have a file with 50 million records having 2 columns. I have to do the below: 1. Generate some random numbers of a fixed length. 2. Replace the second column of randomly chosen rows with the random numbers. I tried using a little bit of perl to generate random numbers... (6 Replies)
Discussion started by: mvijayv
6 Replies

7. HP-UX

Need to split a large data file using a Unix script

Greetings all: I am still new to Unix environment and I need help with the following requirement. I have a large sequential file sorted on a field (say store#) that is being split into several smaller files, one for each store. That means if there are 500 stores, there will be 500 files. This... (1 Reply)
Discussion started by: SAIK
1 Replies

8. UNIX for Dummies Questions & Answers

Unix File System performance with large directories

Hi, how does the Unix File System perform with large directories (containing ~30.000 files)? What kind of structure is used for the organization of a directory's content, linear lists, (binary) trees? I hope the description 'Unix File System' is exact enough, I don't know more about the file... (3 Replies)
Discussion started by: dive
3 Replies

9. Shell Programming and Scripting

Help to edit a large file

I am trying to edit a file that has 33k+ records. In this file I need to edit each record that has a 'Y' in the 107th position and change the 10 fields before the 'Y' to blanks. Not all records have a 'Y' in the 107th field. ex: ... (8 Replies)
Discussion started by: jxh461
8 Replies

10. UNIX for Dummies Questions & Answers

how to edit large files using vi

How to edit large file using vi where you can't increase /usr/var/tmp anymore? (3 Replies)
Discussion started by: nazri
3 Replies
Login or Register to Ask a Question

Featured Tech Videos