delete multiple empty lines Post: 88886

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Need to delete multiple lines in a file.

Hi, I'm new to this forum, and searched through the previous posts, but didn't see anything close enough to what i'm looking for. I have a radius file like this: testone Password = "11111" Service-Type = "Framed-User", Session-Timeout =...

2. UNIX for Advanced & Expert Users

How to delete empty lines

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 . . . .

3. Shell Programming and Scripting

How to delete all leading empty lines in a file?

How to delete all leading empty lines in a file? $>cat input.txt test Test $> output file should be test Test $>

4. Shell Programming and Scripting

Delete multiple lines in a file

The high level requirement is as follows: I have a file which has multiple line starting with pattern (which is fixed say "Hello" and i need to search for one more pattern in that line which starts with "Hello" and if the pattern matches, i need to delete lines from that line to the next line...

5. Shell Programming and Scripting

delete lines with empty second column

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...

6. Shell Programming and Scripting

Sed delete certain number of empty lines

Hi What I'm trying to do is delete every blank line upto a certain number, so for instance I only want to delete the first 4 empty lines within a file, I know how to delete every line with: sed '/^$/d' But I can't figure out how to limit it to only the first 4 occourances I though it...

7. Shell Programming and Scripting

search and replace, when found, delete multiple lines, add new set of lines?

hey guys, I tried searching but most 'search and replace' questions are related to one liners. Say I have a file to be replaced that has the following: $ cat testing.txt TESTING AAA BBB CCC DDD EEE FFF GGG HHH ENDTESTING This is the input file:

8. Shell Programming and Scripting

Single command to create multiple empty files(no trailing lines as well).

Hi, i need a single command to create multiple empty files(no trailing lines as well) and empty the files if already existing. please let me know or if this has been ansered, if some ocan share the link please, thanks > newfile.txt or :> newfile.txt do not work

9. UNIX for Beginners Questions & Answers

Split file into multiple files based on empty lines

I am using below code to split files based on blank lines but it does not work. awk 'BEGIN{i=0}{RS="";}{x="F"++i;}{print > x;}' Your help would be highly appreciated find attachment of sample.txt file

10. UNIX for Beginners Questions & Answers

Delete multiple lines between blank lines containing two patterns

Hi all, I'm looking for a way (sed or awk) to delete multiple lines between blank lines containing two patterns ex: user: alpha parameter_1 = 15 parameter_2 = 1 parameter_3 = 0 user: alpha parameter_1 = 15 parameter_2 = 1 parameter_3 = 0 user: alpha parameter_1 = 16...

LEARN ABOUT OPENSOLARIS

insdelln

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 5.11							    5 Jun 2002							insdelln(3XCURSES)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Need to delete multiple lines in a file.

Discussion started by: kangdom

2. UNIX for Advanced & Expert Users

How to delete empty lines

Discussion started by: Aejaz

3. Shell Programming and Scripting

How to delete all leading empty lines in a file?

Discussion started by: johnveslin

4. Shell Programming and Scripting

Delete multiple lines in a file

Discussion started by: KeerthiReddy