10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi All,
I have a input file as below. Input file may contain more hostlists.
sample Input file
$ cat hostlist.lst
cs18-db1-1-sjl
cs22-db1-1-was
na88-db1-1-chi
na21-db1-2-was
I want the output like below format. Pls help. Thanks !
Output format:
... (4 Replies)
Discussion started by: kamauv234
4 Replies
2. Shell Programming and Scripting
My scenario is as follows.
1. I have a reference file with the IP addresses and names
$ cat ref.list
10.11.xxx.xxx AA
10.12.xxx.xxx BB
10.13.xxx.xxx CC
10.14.xxx.xxx DD
2. A script runs and gets me one of the IP addresses and puts it in a separate file, for e.g... (2 Replies)
Discussion started by: Nagesh_1985
2 Replies
3. Shell Programming and Scripting
(qemu) migrate -d tcp:192.168.122.1:4444
(qemu) info migrate
capabilities: xbzrle: off
Migration status: completed
total time: 4425 milliseconds
downtime: 3 milliseconds
transferred ram: 130338 kbytes
remaining ram: 0 kbytes
total ram: 1057152 kbytes
duplicate: 232613 pages
normal:... (0 Replies)
Discussion started by: yanglei_fage
0 Replies
4. Shell Programming and Scripting
Hi,
If I have loads of logs like below and I am interested to print the requests(lines) which have taken more than 1000 ms. In this case how could I print the two highlighted lines ?
abc.log
reqquest id232342 , adfghfasdfsaf, TIME=30
reqquest id11111 , asdfdfghdffsaf, TIME=54
reqquest... (4 Replies)
Discussion started by: nariwithu
4 Replies
5. Shell Programming and Scripting
Hi All,
Is it wrong to do something like this:
ssh -T $PROXY_USER@$PROXY_SERVER < script.txt > ssh_output.log
I ran and it works fine and does what I need. I wanted to pass a set of commands to the ssh session and store an output in the log file.
Thanks (4 Replies)
Discussion started by: rdogadin
4 Replies
6. Shell Programming and Scripting
Hello All,
I have created a script to capture logs on every day at every 3 Min.Please find in attach.So my goal is to mail all the logs to myself for pertical date.So can anyone guide me how can i this on the basis of the attached logs.
Regards
Ankit (0 Replies)
Discussion started by: ajaincv
0 Replies
7. Shell Programming and Scripting
Hi,
I have two files , one file with data file with attributes that need to be sent to another file to generate a predefined format.
Example:
File.txt
AP|{SSHA}VEEg42CNCghUnGhCVg==
APVG3|{SSHA}XK|"password"
AP3|{SSHA}XK|"This is test"
....
etc
---------
test.sh has... (1 Reply)
Discussion started by: hudson03051nh
1 Replies
8. Shell Programming and Scripting
Hi,
I am having an Input file .which is having a list of names.
comapring with our database , needs to write the out put in file called output.txt , format should be name--> country--->phone number
could you please help me..
thanks in advance (7 Replies)
Discussion started by: hegdeshashi
7 Replies
9. Shell Programming and Scripting
Hi guys. Is it possible (I'm sure it is) to use the output of a simple 'ls' command as input of another command 'tail'.
It is not really the output of the 'ls'. I have to useeach line of the output.
This is the first command...
ls *myFile*021308*
Which it outputs many filenames. For each... (3 Replies)
Discussion started by: rodrimuino
3 Replies
10. Shell Programming and Scripting
This site has been very helpful thus far.. I thank you all in advance for sharing the knowledge. Let me get to it.
I am trying to write a very small script to take away from the boredom of doing the same thing over and over.
Everynow and again I have to get the hex value of a file using a... (2 Replies)
Discussion started by: BkontheShell718
2 Replies
HEAD(1) User Commands HEAD(1)
NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=[-]NUM
print the first NUM bytes of each file; with the leading '-', print all but the last NUM bytes of each file
-n, --lines=[-]NUM
print the first NUM lines instead of the first 10; with the leading '-', print all but the last NUM lines of each file
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
-z, --zero-terminated
line delimiter is NUL, not newline
--help display this help and exit
--version
output version information and exit
NUM may have a multiplier suffix: b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024, GB 1000*1000*1000, G 1024*1024*1024, and so on for T,
P, E, Z, Y.
AUTHOR
Written by David MacKenzie and Jim Meyering.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report head translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
tail(1)
Full documentation at: <http://www.gnu.org/software/coreutils/head>
or available locally via: info '(coreutils) head invocation'
GNU coreutils 8.28 January 2018 HEAD(1)
