Dear Experts
I am trying to find if it is possible to combine unix commands in awk program. For example if it is possible embed rm or ls or any unix command inside the awk program and while it is reading the file besides printing be able to do some unix commands. I am thinking may be just print... (2 Replies)
I would like to change the lines:
originalline1
originalline2
to:
originalline1new
originalline1newline
originalline2new
originalline2newline
To do this, id like to combine the commands:
sed 's/^/&new/g' file > newfile1
and
sed '/^/ a\\
newline\\
\\ (2 Replies)
Hello all,
I am trying to list and count all the files of a particular type in any given directory. I can use the commands separately but when I combine them they do not give an output.
The command for counting the files is ls -1 | wc -l and for listing all the file of particular type say... (2 Replies)
Is there anyway to achieve "find /home -name "*.bashrc" 2>/dev/null" and "PS1="\n>"" in the same command? I just wanna add a line to the previous command to change the PS1 variable to ">". (1 Reply)
Hi Guys,
I am looking to optimze these 5 SSH lines to a single SSH to get my machine to not hang! lol!
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} top -b > util/{}.top &' >> r_query_info
cat hosts.lst | xargs -n1 -t -i echo 'home/util/timeout 6 0 ssh -q {} uname -r... (5 Replies)
hey can anyone tell me how can i combine these two commands so that it is executed only once, but gives me both the results.
IDLE=`sar 30 6 | grep Average | awk '{print $1 $5}' `
sar 30 120 | awk '{print $1" "$5}' >> mailx -m -s "$MSG" xyz@abc.com. (5 Replies)
Hi,
I have a directory with some XML files in it. I can use wildcards to get the list of XMLs I want
say I have following XMLs in same dir
Employee1.xml
Employee2.xml
Employee3.xml
and
Salary1.xml
Salary2.xml
Salary3.xml
apart from other .txt .dat files etc
I want to write a unix... (7 Replies)
I have a directory of 3000 files without extensions (Solaris 5.10).
I would like to iterate the file names through the 'file' command and output their mime types (most are pdf or jpg, but a very few might be psd or swf which show simply as 'data')
So, I would like the output of the 'ls'... (2 Replies)
Hi,
I am pretty new to the unix community and have encountered a problem that I am trying to solve. I have 2 files one of which is called passwd file that looks like the following
Sample Output
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
... (1 Reply)
Hello all,
I need to send an attachment and text in the body, both in the same Email.
Below are two cammand that send the required data in separate Emails. I need to combine them so that I get just 1 Email containing the attachment & text in the body.
uuencode ${filename} "${file_}" |... (6 Replies)
Discussion started by: Junaid Subhani
6 Replies
LEARN ABOUT CENTOS
mixin::linewise::readers
Mixin::Linewise::Readers(3) User Contributed Perl Documentation Mixin::Linewise::Readers(3)NAME
Mixin::Linewise::Readers - get linewise readers for strings and filenames
VERSION
version 0.004
SYNOPSIS
package Your::Pkg;
use Mixin::Linewise::Readers -readers;
sub read_handle {
my ($self, $handle) = @_;
LINE: while (my $line = $handle->getline) {
next LINE if $line =~ /^#/;
print "non-comment: $line";
}
}
Then:
use Your::Pkg;
Your::Pkg->read_file($filename);
Your::Pkg->read_string($string);
Your::Pkg->read_handle($fh);
EXPORTS
"read_file" and "read_string" are exported by default. Either can be requested individually, or renamed. They are generated by
Sub::Exporter, so consult its documentation for more information.
Both can be generated with the option "method" which requests that a method other than "read_handle" is called with the created IO::Handle.
read_file
Your::Pkg->read_file($filename);
If generated, the "read_file" export attempts to open the named file for reading, and then calls "read_handle" on the opened handle.
Any arguments after $filename are passed along after to "read_handle".
read_string
Your::Pkg->read_string($string);
If generated, the "read_string" creates an IO::String handle from the given string, and then calls "read_handle" on the opened handle.
Any arguments after $string are passed along after to "read_handle".
AUTHOR
Ricardo SIGNES <rjbs@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2008 by Ricardo SIGNES.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
perl v5.16.3 2013-06-18 Mixin::Linewise::Readers(3)