How do we display specific row of an output from bottom given line number?
I pass a number to my script. Passing "1" below.
I wish to use ls -ltr i.e list files in ascending order of time the latest showing at the bottom of the output.
Number 1 should get me the last row of ls -ltr output i.e the latest file.
Passing Number "2" should get me the second last row of the output.
Number "3 would get me the 3rd last row and so forth.
I wish to use only sed for this purpose as it is works smoothy across different flavors of Operating Systems that I have.
ls -ltr | sed -n '$p' gives me the last row whereas ls -ltr | sed -n 3p gives me the third row from top.
I'm not sure how can I give an equation so that based on user input, I could get my sed to display corresponding row of output.
Hi,
I have a huge file & I want to add a specific text in column. But I want to add this text from a specific line number to a specific line number & another text in to another range of line numbers.
To be more specific: lets say my file has 1000 lines & 4 Columns. I want to add text "Hello"... (2 Replies)
using sed to replace a specific string on a specific line number using variables
this is where i am at
grep -v WARNING output | grep -v spawn | grep -v Passphrase | grep -v Authentication | grep -v '/sbin/tfadmin netguard -C'| grep -v 'NETWORK>' >> output.clean
grep -n Destination... (2 Replies)
I have a two files containing numbers like below. First one contains one number on each line, the other is a table of numbers, each separated by a space. There are the same number of lines in each file.
I want to take each number in the row of the table and find the difference from the... (12 Replies)
Hi,
I have a menu of around 10 lines with options.
I want to display it in bottom right corner of screen for better display.
I can do it with clear screen. But I don't want to use it, because it will clear the existing text. After one choice from menu is executed, the menu should just place... (3 Replies)
Hi ,
1)i want to display specific line number using tail command.
e.g. display 10 line from end.
Please help...
2)Want to display line 10 to 15 (from end)using tail command) (2 Replies)
This is Input - starts with Storage Group Name and ends with Shareable and the loop continues all I need is Storage group name and Alu numbers in the below output format requested.
Storage Group Name: abcd
Storage Group UID: 00:00:000:00:0:0:0
HBA/SP Pairs:
HBA UID ... (6 Replies)
Hi,
I'm trying to figure out a way to find which line in my file.txt with IP addresses:
192.168.0.1
192.178.0.2
etc...
returns specific result when I execute command affecting all lines.
For example when I run:
for line in `cat file.txt`;
do
snmpget $line
done
it displays the... (5 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
What single command line would you enter to get the following output?
8140 drwxr-xr-x 9 root bin 18 Jan 20... (6 Replies)
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
Discussion started by: vivek d r
3 Replies
LEARN ABOUT DEBIAN
cdk_position
cdk_position(3) Library Functions Manual cdk_position(3)NAME
cdk_position - curses widget positioning key-bindings
SYNOPSIS
Position methods for the Cdk widgets allow the user to move the widget around the screen via the cursor/keypad keys.
DESCRIPTION
The following key bindings can be used to move the widget around the screen.
+---------------------------------------------------------------+
|Key Action |
+---------------------------------------------------------------+
|Up Arrow Moves the widget up one row. |
|Down Arrow Moves the widget down one row. |
|Left Arrow Moves the widget left one column |
|Right Arrow Moves the widget right one column |
|1 Moves the widget down one row and left one |
| column. |
|2 Moves the widget down one row. |
|3 Moves the widget down one row and right one |
| column. |
|4 Moves the widget left one column |
|5 Centers the widget both vertically and hori- |
| zontally. |
|6 Moves the widget right one column |
|7 Moves the widget up one row and left one |
| column. |
|8 Moves the widget up one row. |
|9 Moves the widget up one row and right one |
| column. |
|t Moves the widget to the top of the screen. |
|b Moves the widget to the bottom of the |
| screen. |
|l Moves the widget to the left of the screen. |
|r Moves the widget to the right of the screen. |
|c Centers the widget between the left and |
| right of the window. |
|C Centers the widget between the top and bot- |
| tom of the window. |
|Escape Returns the widget to its original position. |
|Return Exits the function and leaves the wid- |
| getwhere it was. |
+---------------------------------------------------------------+
+---------------------------------------------------------------+
The numbers 0-9 are chosen to correspond to the numeric keypad on your terminal. Cdk does not handle the application mode keypad control
sequences, since those are not defined via terminfo. To use the numeric keypad you should ensure that it is in normal (or NumLock) mode.
SEE ALSO cdk(3), cdk_binding(3), cdk_display(3), cdk_screen(3)cdk_position(3)