Hi,
I need to delete the lines with empty name.
What is the best way to do it?
Thanks a lot for your help!
EMID MMDDYY HOURS JOB EMNAME
0241 051605 11.40 52062 someone
0520 051605 10.63 52062
0520 051605 10.66 52062
0520 051605 10.65 52062 (3 Replies)
abc#
abc#this is a test
abc#this is a test to delete
abc#
xyz#
xyz#this is a test two
xyz#
In the above example '#' is common. How to do delete the emply lines. In specific to observe the output as:
abc#this is a test
abc#this is a test to delete
xyz#this is a test two
.
.
.
. (5 Replies)
Hello !
I am trying to delete a number from the even-numbered lines of a pipeline after having extracted and sorted the desired data from an original text file using sed...
sed -r 's/\(*\)*\((*)\),*,*,(*)*: * \w*\=(*).*/\3,\1/g' | sort -n
then the data looks like :
Now, I am... (3 Replies)
I was just looking at this post: https://www.unix.com/shell-programming-scripting/22893-delete-multiple-empty-lines.html.
and I am looking to achieve the same with sed. So the idea is to delete lines from a file where a certain field has no value.
Inputfile:
EMID MMDDYY HOURS JOB EMNAME
0241... (4 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)
I have a file with ~200K lines, I need to delete 4K lines in it. There is no range.
I do have the line numbers of the lines which I want to be deleted.
I did tried using
> cat del.lines
sed '510d;12d;219d;......;3999d' file
> source del.lines
Word too long.
I even tried... (2 Replies)
hi,
I'd like to ask you if you can help me with such surely easy thing - I have some data and need to plot them. I have txt of data in two columns, tab separated, but some second columns are empty. like
1```` 2
1.2``
3```` 2
4.44`
5`````
6.1```1
how can I erase all the lines... (2 Replies)
Hello,
I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below).
Example:
one
two
three
four
five
six
seven
eight
I want it to look like: (6 Replies)
Discussion started by: slimjbe
6 Replies
LEARN ABOUT REDHAT
curs_deleteln
curs_deleteln(3X)curs_deleteln(3X)NAME
deleteln, wdeleteln, insdelln, winsdelln, insertln, winsertln - delete and insert lines in a curses window
SYNOPSIS
#include <curses.h>
int deleteln(void);
int wdeleteln(WINDOW *win);
int insdelln(int n);
int winsdelln(WINDOW *win, int n);
int insertln(void);
int winsertln(WINDOW *win);
DESCRIPTION
The deleteln and wdeleteln routines delete the line under the cursor in the window; all lines below the current line are moved up one line.
The bottom line of the window is cleared. The cursor position does not change.
The insdelln and winsdelln routines, for positive n, insert n lines into the specified window above the current line. The n bottom lines
are lost. For negative n, delete n lines (starting with the one under the cursor), and move the remaining lines up. The bottom n lines
are cleared. The current cursor position remains the same.
The insertln and winsertln routines, insert a blank line above the current line and the bottom line is lost.
RETURN VALUE
All routines return the integer ERR upon failure and an OK (SVr4 specifies only "an integer value other than ERR") upon successful comple-
tion.
PORTABILITY
These functions are described in the XSI Curses standard, Issue 4. The standard specifies that they return ERR on failure, but specifies
no error conditions.
NOTES
Note that all but winsdelln may be macros.
These routines do not require a hardware line delete or insert feature in the terminal. In fact, they won't use hardware line
delete/insert unless idlok(..., TRUE) has been set on the current window.
SEE ALSO curses(3X)curs_deleteln(3X)