I have loads of files in different directories which I do miner changed on them and till now I have to create totally new directories for them, specially as I deal with a whole directory at once
it creates such as mess really
e.g.
Code:
FILES="F1/*"
for X in $FILES
do
name=$(basename $X)
sort $X | uniq | awk '{ $1=""}1' | awk '{ $NF=""}1' > F2/${name}
done
can it be written on the same files? on F1
can some one please let me know how I can write on output on the same exact file?
So I dont enounter things like:
gzip: /sometimename.gz already exists; do you wish to overwrite (y or n)?
Want to add it into a script and if there is a file aready there to just overwrite it, otherwise the script will hang unless there is manual intervention. (1 Reply)
Hi all,
In our webserver customer wants to see the latest 10 files arrived. So the names are hardcoded in webpage like :
filename_01.txt
filename_02.txt
....
....
filename_10.txt
where the filename_01.txt is the latest one (typically the output of ls -1t) in the /../webpage directory.... (2 Replies)
How to overwrite every time a particular portion of a file?
---------- Post updated at 02:16 PM ---------- Previous update was at 02:07 PM ----------
I have a file whose contents are something like:
Output of "apachectl fullstatus" command:
---------------------------------------------... (3 Replies)
Hi ,
i have two basic requirement on linux platform . I am using C language to do this .
1) copying one file to another (assuming i know their file descriptors)
2) Overwriting a file using it file descriptor .
Please guide.
regards
Aki (2 Replies)
Long story short, there was some sort of corruption with my ide and the script I was working on has been over written with nothing (the file is blank now). The IDE doesn't store a back up from what I know (I'm using notepadd++ in wine lol I know I know I'm addictted to the nppftp sidebar and geany... (1 Reply)
I have a script, which runs through cronjob every night 9 PM. It is supposed to do following tasks --
1- Connect to ftp.testsite.com via user redtest
2- Fetch file red_bill.txt to my local server, where my script is residing.
3- Rename red_bill.txt to red_bill.V01.txt everyday on sftp server.... (4 Replies)
Hi, An application is transferring a file to linux system with same file name. As file is transferring with same name always file will be overwritten. In this case we want to know what times file was overwirtten like below.
Modify: 2014-05-12 00:52:01.000000000
Modify: 2014-05-12... (2 Replies)
hi
i have a file as in follwoing:
cat apple.txt
Apple is a fruit
But this fruit is costly
Now I used the sed command and i see output as in following
# sed 's/fruit/healthy &/' fruit.txt
Apple is a healthy fruit
But this healthy fruit is costly
#
sed works fine here. But... (2 Replies)
Hello,
I have been working on script in which search and replace the multiple pattern.
1. update_params.sh read the multiple pattern from input file ParamMapping.txt(old_entry|New_entry) and passing this values one by one to change_text.sh
2. change_text.sh read... (0 Replies)
Hi Everyone,
We are trying to do a logrotate for "catalina.out" daily, So have used the "copytruncate" option in the logrotate configuration but ended up seeing there was a 0kb file touched with "catalina.out" and the other file with the current date(compressed) file created and seems the log is... (2 Replies)
Discussion started by: thiyagoo
2 Replies
LEARN ABOUT CENTOS
systemd-ask-password-wall.path
SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8) systemd-ask-password-console.service SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8)NAME
systemd-ask-password-console.service, systemd-ask-password-console.path, systemd-ask-password-wall.service, systemd-ask-password-wall.path
- Query the user for system passwords on the console and via wall
SYNOPSIS
systemd-ask-password-console.service
systemd-ask-password-console.path
systemd-ask-password-wall.service
systemd-ask-password-wall.path
DESCRIPTION
systemd-ask-password-console.service is a system service that queries the user for system passwords (such as hard disk encryption keys and
SSL certificate passphrases) on the console. It is intended to be used during boot to ensure proper handling of passwords necessary for
boot. systemd-ask-password-wall.service is a system service that informs all logged in users for system passwords via wall(1). It is
intended to be used after boot to ensure that users are properly notified.
See the developer documentation[1] for more information about the system password logic.
Note that these services invoke systemd-tty-ask-password-agent(1) with either the --watch --console or --watch --wall command line
parameters.
SEE ALSO systemd(1), systemd-tty-ask-password-agent(1), wall(1)NOTES
1. developer documentation
http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents
systemd 208SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8)
09-12-2012
