06-19-2007
Sorry,
Even the touch command didnt serve my purpose;
The file I want to clear is always in use. Some program is appending it content always (even for each microseconds).
Any suggestions ?
10 More Discussions You Might Find Interesting
1. AIX
Hi
errclear seems not working on aix 4.3/rs6k, i can't clear HW error with errclear -d H 0 ??? what is wrong ?
thanks. (0 Replies)
Discussion started by: andryk
0 Replies
2. Shell Programming and Scripting
Hello,
I want to clear or modify a line of a file. It is possible by
cat filename | sed '3d'
for example. But If I want "3" to be a variable?
I can't do sed '$var d'
Help me please
Thank you very much (1 Reply)
Discussion started by: Nene
1 Replies
3. Linux
I have a log file on our system which fills up with lines that have been timestamped, as follows....
03/03/2008 10:56:06:815] (ERROR) balance: continuing session to genapp02 : 18500
03/03/2008 10:56:06:820] (ERROR) balance: continuing session to genapp02 : 18500
03/03/2008 10:56:07:003]... (2 Replies)
Discussion started by: davesimm
2 Replies
4. Shell Programming and Scripting
Hi,
How can i clear the contents of a file in perl? (1 Reply)
Discussion started by: chriss_58
1 Replies
5. Shell Programming and Scripting
Hello,
I have a script which creates a certain text file.
Whenever I call it, I need to recreate this file, because I have no need in the previous content.
So I thought to remove the file every time I call the script, and that way I am sure that the previous content will not interrupt me.... (2 Replies)
Discussion started by: shira
2 Replies
6. AIX
Dear Friends ,
From 'last' or 'lastlog' command , I can get the last login informations of the users . now as a system admin , If I want to delete the log information from this 'last' 'lastog' command , then is it possible to do ?
plz inform ... ... (1 Reply)
Discussion started by: shipon_97
1 Replies
7. Shell Programming and Scripting
Any help appreciated
Thanks
sample input:
> (extra spaces&tabs in here) test1 (extra spaces&tabs in here) 123.123.123.123 (extra spaces&tabs in here) abc (extra spaces&tabs in here) 123
---
< (extra spaces&tabs in... (3 Replies)
Discussion started by: goofist
3 Replies
8. Shell Programming and Scripting
Hi,
I have a script which will use an input.txt file as an input file.
I am providing data to this input file in the script and once the script is executed, I want to clear all the contents of this file as during the second time use of this script, I'll be appending the data in this input... (5 Replies)
Discussion started by: pat_pramod
5 Replies
9. Shell Programming and Scripting
proc get_view_rel_str { } {
set cc_view :] end]]
puts $cc_view
set a
puts $a
set a end]]
puts $a
set a
puts $a
set a
puts $a
set a
puts $a
}
get_view_rel_str
this is a script in tcl with clearcase view (1 Reply)
Discussion started by: Syed Imran
1 Replies
10. UNIX for Dummies Questions & Answers
Hi,
I have a file with 15 fields seperated by '|'. The requirement is to clear the last 5 characters of the 14th field. modifications should be done to the original file .
Can some one help me in sorting this out. (2 Replies)
Discussion started by: sureshk_85
2 Replies
TOUCH(1) User Commands TOUCH(1)
NAME
touch - change file timestamps
SYNOPSIS
touch [OPTION]... FILE...
DESCRIPTION
Update the access and modification times of each FILE to the current time.
Mandatory arguments to long options are mandatory for short options too.
-a change only the access time
-B, --backward=SECONDS
Modify the time by going back SECONDS seconds. For example, touch -r foo -B 5 bar will make the file bar 5 seconds older than file
foo.
-c, --no-create
do not create any files
-d, --date=STRING
parse STRING and use it instead of current time
-F, --forward=SECONDS
Modify the time by going forward SECONDS seconds. For example, touch -r foo -F 5 bar will make the file bar 5 seconds newer than
file foo.
-f (ignored)
-m change only the modification time
-r, --reference=FILE
use this file's times instead of current time
-t STAMP
use [[CC]YY]MMDDhhmm[.ss] instead of current time
--time=WORD
set time given by WORD: access atime use (same as -a) modify mtime (same as -m)
--help display this help and exit
--version
output version information and exit
Note that the -d and -t options accept different time-date formats.
AUTHOR
Written by Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, and Randy Smith.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for touch is maintained as a Texinfo manual. If the info and touch programs are properly installed at your site,
the command
info touch
should give you access to the complete manual.
touch (coreutils) 4.5.3 October 2002 TOUCH(1)