I have been busy reading away on devices and filesystems and I am stuck on a particular subject matter.. I'm not understanding the concept behind mknod mkfifo makedev or related commands..
can anyone shed some light on the subject.!
any feedback welcome!
moxxx68 (0 Replies)
I'm having problem writing a shell script using bash that takes a file as an argument. The script should be able to determine what permissions the owner, group and everybody has for the file passed in.
could anyone plz help me out. (3 Replies)
#!/bin/bash
echo $1 | cat - $2 >> /tmp/$$ && mv /tmp/$$ $2
im trying to get the first argument to go in the middle of the second argument which is a file, anyone any ideas. i have only managed to get it to go on the end or the front.
been fiddling about with wc -l, i get the number of lines... (5 Replies)
Suppose that I have some data:
12,30
12,45
2,3
7,8
3,9
30, 8
45,54
56,65
Where (a,b) indicates that a is connected to b. I want to get all connected nodes to one point. For instance, the output of the above
example should be something like:
Group 1
2,3
3,9
Group 2
12,30
12,45... (4 Replies)
Hi all,
I have been struggling with this all day, and it is key to a conversion database I have to write.
The data converts the information out of an array using AWK, and basically all I have to do is figure out how to get the value of a variable inside a variable.
Right now at its... (11 Replies)
I want to search for the line with the group name and add the user into the group. The file format is the same as /etc/group
The code i wrote is
egrep "^$newGID" $group >/dev/null
FS=":"
oldData=awk -F: '{print $3}'
newData= "$oldData,$newUser"
sed -n $4/$newData $group
but a friend... (1 Reply)
Hi All
I have script that find 777 dir with specific extension like .php .Now after finding all 777 directory i will place in httpd.conf using a directory directive ,Now i was not do that,if directory entry exitst in httpd.conf then script ignor it dont show me at stdout else if it dont find... (2 Replies)
I am beginner in awk
awk 'BEGIN{for(i=1;(getline<"opnoise")>0;i++) arr=$1}{print arr}'
In the above script, opnoise is a file, I am reading it into an array and then printing the value corresponding to index 20. Well this is not my real objective, but I have posted this example to describe... (1 Reply)
I am developing a multi-threaded library that helps the transformation of messages between threads in different processes using shared memory.
I am using the pthreads condition facility in order to synchronize access to the shared memory slots through which the messages are passed.
My test... (2 Replies)
I was given this to do,
Write a Shell script to automatically check that a specified user is logged in to the computer.
The program should allow the person running the script to specify the name of the user to be checked, the frequency in seconds at which the script should check. If a... (1 Reply)
Discussion started by: operator
1 Replies
LEARN ABOUT DEBIAN
graphics::primitive::insets
Graphics::Primitive::Insets(3pm) User Contributed Perl Documentation Graphics::Primitive::Insets(3pm)NAME
Graphics::Primitive::Insets - Space between things
DESCRIPTION
Graphics::Primitive::Insets represents the amount of space that surrounds something. This object can be used to represent either padding
or margins (in the CSS sense, one being inside the bounding box, the other being outside)
SYNOPSIS
use Graphics::Primitive::Insets;
my $insets = Graphics::Primitive::Insets->new({
top => 5,
bottom => 5,
left => 5,
right => 5
});
METHODS
Constructor
new Creates a new Graphics::Primitive::Insets.
Instance Methods
as_array
Return these insets as an array in the form of top, right, bottom and left.
bottom
Set/Get the inset from the bottom.
equal_to
Determine if these Insets are equal to another.
left
Set/Get the inset from the left.
right
Set/Get the inset from the right.
top Set/Get the inset from the top.
zero
Sets all the insets (top, left, bottom, right) to 0.
AUTHOR
Cory Watson, "<gphat@cpan.org>"
SEE ALSO perl(1)COPYRIGHT & LICENSE
Copyright 2008-2010 by Cory G Watson.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.3 2010-08-21 Graphics::Primitive::Insets(3pm)