what command is used to remove the all text of the particular file.

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting what command is used to remove the all text of the particular file.
# 1  
Old 08-12-2009
Java what command is used to remove the all text of the particular file.

Hi all...

I want to delete the entire text of the file and want to make it zero byte..
would you please tell me the command for it.

Thanks and regards
Vijay sahu
# 2  
Old 08-12-2009
cat < /dev/null > File_name.txt

# 3  
Old 08-12-2009
: > file

# 4  
Old 08-12-2009
You can use only de redirection of stdout:
$echo "hello" >file;ls -l file
-rw-r--r-- 1 chip chip 6 2009-08-12 11:53 file
$ls -l file
-rw-r--r-- 1 chip chip 0 2009-08-12 11:53 file
# 5  
Old 08-12-2009

Hi all

Thanks for your reply all three are working properly...
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to remove the text between all curly brackets from text file?

Hello experts, I have a text file with lot of curly brackets (both opening { & closing } ). I need to delete them alongwith the text between opening & closing brackets' pair. For ex: Input:- 59. Rh1 Qe4 {(Qf5-e4 Qd8-g8+ Kg6-f5 Qg8-h7+ Kf5-e5 Qh7-e7+ Ke5-f5 Qe7-d7+ Qe4-e6 Qd7-h7+ Qe6-g6... (6 Replies)
Discussion started by: prvnrk
6 Replies

2. Shell Programming and Scripting

sed to remove text from file

Trying to use sed to, in-place, remove specific text from a file. Since there are / in the text I use | to escape that character. Thank you :). sed -i -e 's|xxxx://www.xxx.com/xx/xx/xxx/.*/|' /home/cmccabe/list sed: -e expression #1, char 51: unterminated `s' command (4 Replies)
Discussion started by: cmccabe
4 Replies

3. Shell Programming and Scripting

Cut text from a file and remove

Hello Friends, I am stuck with the below problem.Any help will be appreciated. I have a file which has say 100 lines. On the second last line I have a line from which i want to remove certain characters.. e.g CAST(CAST( A as varchar(50)) || ',' || CAST(CAST( B as varchar(50)) || ',' ||... (8 Replies)
Discussion started by: vital_parsley
8 Replies

4. Shell Programming and Scripting

Help with remove backticks in a text file

Input file: 'data_1' 'data_10' 'data1311' '235data_13' Desired output: data_1 data_10 data1311 235data_13 Can I know how to remove back tick"'" in a file? Many thanks for advice. (3 Replies)
Discussion started by: perl_beginner
3 Replies

5. Shell Programming and Scripting

Search and remove in a text file

Need help whit a script where I have to input a name and then remove a line where that name is in a file file ex: 001op;Name;Location;date 002op;Name;Location;date and so on.... can anybody help me??? thanks (4 Replies)
Discussion started by: nogame11
4 Replies

6. Shell Programming and Scripting

Remove filename is text file

Hello, I got files full path in a text file like that /main/k/kdelibs/kdelibs4c2a_3.5.10.dfsg.1-2ubuntu7_i386.deb /main/k/kdelibs-experimental/libknotificationitem-dev_4.3.2-0ubuntu1_i386.deb /main/k/kdemultimedia/dragonplayer_4.3.2-0ubuntu1_i386.deb... (13 Replies)
Discussion started by: davidkhan
13 Replies

7. Shell Programming and Scripting

remove chunks of text from file

All, So, I have an ldif file that contains about 6500 users worth of data. Some users have a block of text I'd like to remove, while some don't. Example (block of text in question is the block starting with "authAuthority: ;Kerberosv5"): User with text block: # username, users,... (7 Replies)
Discussion started by: staze
7 Replies

8. Shell Programming and Scripting

able to remove \240 from a text file

I have a file originally provided from a SQL database on a Windows platform. I transfer the file via ftp in binary format, remove the ^M's from the end of all lines. I have attempted to use tr ( cat infile | tr -d '\240' ) and sed (cat infile | sed 's/\240//g' ) to remove the occurences of... (11 Replies)
Discussion started by: pbrowne
11 Replies

9. Shell Programming and Scripting

remove and replace text in a file

Hello all, How would I go to a particular line in a file and remove certain text from it and replace with something that I want it to be there. like: file /etc/abc now look for line HOME="/export/xyz" in /etc/abc and then replace with HOME=/"export/xyz1" thanks in advance guys. (1 Reply)
Discussion started by: solaix14
1 Replies

10. Shell Programming and Scripting

remove specified text from file

I am trying to write a script that kills old sessions, I've posted here over the past few days and the script is just about perfect except I want to be given the option to exclude specified PIDs from being killed. this is the entire script: if then rm /tmp/idlepids fi if then rm... (2 Replies)
Discussion started by: raidzero
2 Replies
Login or Register to Ask a Question