I have been reading through the sed one liners, trying to understand what is happening.
# delete the last 2 lines of a file
sed 'N;$!P;$!D;$d'
The above will delete the last 2 line of a file. I tried analyzing what happens. And I got lost :(
This is what I understood so far from the... (2 Replies)
First of all, I know this can be more eassily done with perl or other scripting languages but, that's not the issue. I need this in sed. (or wander if it's possible )
I got a file (trace file to recreate the control file from oracle for the dba boys)
which contains
some lines
another line... (11 Replies)
Hi,
I'm very new to Sed and I have a very large file that contains data in the following way
(*064) 1 4 10
(*064) simulation time = 0.12000E-05
(*064) 1 2 10
(*064) 1 3 10Essentially what I want to do it delete every line that starts with
'(*064) 1'I tried the following,
... (2 Replies)
Hi,
I would like to delete lines in /etc/hosts on few workstations, basically I want to delete all the lines for a list of machines like this :
for HOST in $(cat stations.lst |uniq)
do
# echo -n "$HOST"
if ping -c 1 $HOST > /dev/null 2>&1
then
HOSTNAME_val=`rsh $HOST "sed... (3 Replies)
Sample file:
This is line one,
this is another line,
this is the PRIMARY INDEX line
l ;
This is another line
The command should find the line with “PRIMARY INDEX” and remove the last character from the line preceding it (in this case , comma) and remove the first character from the line... (5 Replies)
Hi
I need to delete lines from a file which are after pattern1 and between pattern 2 and patter3, as below:
aaaaaaaa
bbbbbbbb
pattern1
cdededed
ddededed
pattern2
fefefefe <-----Delete this line
efefefef <-----Delete this line
pattern3
adsffdsd
huaserew
Please can you suggest... (6 Replies)
Hi friends,
This is sed & awk type question.
I have a text file which has numbers spread all over the file. I want to sum the series of numbers whenever i find it and produce an output file with the sum. For example
###start of input text file ####
abc
def
ghi
1
2
3
4
kjld
random... (3 Replies)
Hi Members,
This is my first post in this forum.
I want to do is match form feed lines one by one in a file and delete the next n lines (ex-3 lines) with the form feed character
Eg - Files looks like
Data 1
Data 2
Data 3
FF
Hdr1
Hdr2
Hdr3
Data4
Data5
FF
Hdr1
Hdr2
Hdr3 (9 Replies)
Hi Guys
I am looking for a solution to one problem to remove parentheses in a range of lines.
Input file
module bist_logic_inst(a, ab , dhd, dhdh , djdj, hdh, djjd, jdj, dhd, dhp, dk
);
input a;
input ab;
input dhd;
input djdj;
input dhd;
output hdh;
output djjd;
output jdj;... (5 Replies)
Discussion started by: kshitij
5 Replies
LEARN ABOUT SUNOS
winsdelln
insdelln(3XCURSES) X/Open Curses Library Functions insdelln(3XCURSES)NAME
insdelln, winsdelln - insert/delete lines to/from the window
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int insdelln(int n);
int winsdelln(WINDOW *win, int n);
PARAMETERS
n Is the number of lines to insert or delete (positive n inserts; negative n deletes).
win Is a pointer to the window in which to insert or delete a line.
DESCRIPTION
The insdelln() and winsdelln() functions insert or delete blank lines in stdscr or win, respectively. When n is positive, n lines are
added before the current line and the bottom n lines are lost; when n is negative, n lines are deleted starting with the current line,
the remaining lines are moved up, and the bottom n lines are cleared. The position of the cursor does not change.
RETURN VALUES
On success, these functions return OK. Otherwise, they return ERR.
ERRORS
None.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO deleteln(3XCURSES), insertln(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5)SunOS 5.10 5 Jun 2002 insdelln(3XCURSES)