are there any basic commands that can display lines 99 - 101 of the /etc/passwd file?
I'm thinking use of head and tail, but I forget what numbers to use and where to put /etc/passwd in the command. (2 Replies)
I woud like to substitue a string on a specific position for specific lines
I've got a file and I would like to change a specific string from "TOCHANGE" to "ABCABCAB"
For every line (except 1,2, 3 and the last one) , I need to check between the 9th and the 16th digits.
For the 3rd line, I... (7 Replies)
Hi,
I have a delimited (|) file having millions of rows. Sometime the file comes with less number of delimiters than expected. In this scenario I want to delete the row having unmatched delimiters.
Can anyone help me with the command to achieve this?
Ex:
File1.txt
8039339595113|JIMMY... (2 Replies)
This could be a really dummy question.
I have a log text file.
What unix command to extract line from specific string to another specific string.
Is it something similar to?:
more +/"string" file_name
Thanks (4 Replies)
Hi
I have a file which is tab-delimited. Now, I'd like to print the lines which have "chr6" string in both first and second columns. Could anybody help? (3 Replies)
Data file example
I look for primary and * to isolate the interesting slot number.
slot=`sed '/^primary$/,/\*/!d' filename | tail -1 | sed s'/*//' | awk '{print $1" "$2}'`
Now I want to get the Touch line for only the associate slot number, in this case, because the asterisk... (2 Replies)
Hi,
I need help to split any lines that contain ; or ,
input.txtAc020 Not a good chemical process
AC030 many has failed, 3 still maintained
AC040 Putative; epithelial cells
AC050 Predicted binding activity
AC060 rodC Putative; upregulated in 48;h biofilm vs planktonic
The output... (8 Replies)
Hi,
I have a file with hundreds of lines. I want to search for particular lines starting with 4000, search and replace the 137-139 position characters; which will be '000', with '036'. Can all of this be done without opening a temp file and then moving that temp file to the original file name.
... (7 Replies)
Hi, I need to print lines which are matching with start pattern "SELECT" and END PATTERN ";" and only select the last "select" statement including the ";" .
I have attached sample input file and the desired input should be as:
INPUT FORMAT:
SELECT
ABCD,
DEFGH,
DFGHJ,
JKLMN,
AXCVB,... (5 Replies)
Discussion started by: nani2019
5 Replies
LEARN ABOUT DEBIAN
geometry::primitive::line
Geometry::Primitive::Line(3pm) User Contributed Perl Documentation Geometry::Primitive::Line(3pm)NAME
Geometry::Primitive::Line - A Line
DESCRIPTION
Geometry::Primitive::Line represents a straight curve defined by two points.
SYNOPSIS
use Geometry::Primitive::Line;
my $line = Geometry::Primitive::Line->new();
$line->start($point1);
$line->end($point2);
ATTRIBUTES
end
Set/Get the end point of the line.
start
Set/Get the start point of the line.
METHODS
new
Creates a new Geometry::Primitive::Line
contains_point
Returns true if the supplied point is 'on' the line. Accepts either a point object or an x y pair.
grow
Does nothing, as I'm not sure how. Patches or hints welcome.
is_parallel ($other_line)
Returns true if the supplied line is parallel to this one.
is_perpendicular ($other_line)
Returns true if the supplied line is perpendicular to this one.
length
Get the length of the line.
point_end
Get the end point. Provided for Shape role.
point_start
Get the start point. Provided for Shape role.
scale
Does nothing at the moment.
slope
Get the slope of the line.
to_string
Guess!
y_intercept
Returns the Y intercept of this line.
AUTHOR
Cory Watson <gphat@cpan.org>
COPYRIGHT & LICENSE
You can redistribute and/or modify this code under the same terms as Perl itself.
perl v5.10.1 2010-01-10 Geometry::Primitive::Line(3pm)