Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How do I combine the last 2 lines of a file
Top Forums UNIX for Dummies Questions & Answers How do I combine the last 2 lines of a file Post 302396239 by karthigayan on Thursday 18th of February 2010 04:22:55 AM
Old 02-18-2010
Solution for this problem
Try the following ,

Code:
(history | tail -1 | sed -e 's/.\{7\}/&\n/g' | head -1 ;date)>>hist ; tr -d '\012'  < hist >> myhistory ; rm -rf hist ;

Here I used the temporary file hist.
Last edited by Franklin52; 02-22-2010 at 04:29 AM.. Reason: Please use code tags, thank you!
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Combine all lines of a file with all lines of another file.

Dear all, I would like to combine all lines of a file with all lines of another file: The input are file 1 A B C D file 2 A B C D The output is final file A_A A_B A_C (3 Replies)
Discussion started by: valente
3 Replies

2. Shell Programming and Scripting

Combine multiple lines in file based on specific field

Hi, I have an issue to combine multiple lines of a file. I have records as below. Fields are delimited by TAB. Each lines are ending with a new line char (\n) Input -------- ABC 123456 abcde 987 890456 7890 xyz ght gtuv ABC 5tyin 1234 789 ghty kuio ABC ghty jind 1234 678 ght ... (8 Replies)
Discussion started by: ratheesh2011
8 Replies

3. UNIX for Dummies Questions & Answers

Combine lines from file

Hello, Input file looks like this: apples bananas oranges and rice pears cherries mango I want output to look like this: apples bananas oranges and rice pears cherries mango It should combine line 1 with line 2 and line 3 with line 4 like that.... Right now, only way I can... (4 Replies)
Discussion started by: holyearth
4 Replies

4. Shell Programming and Scripting

Combine multiple unique lines from event log text file into one line, use PERL or AWK?

I can't decide if I should use AWK or PERL after pouring over these forums for hours today I decided I'd post something and see if I couldn't get some advice. I've got a text file full of hundreds of events in this format: Record Number : 1 Records in Seq : ... (3 Replies)
Discussion started by: Mayday22
3 Replies

5. UNIX for Dummies Questions & Answers

Combine lines in file

Hi All, I am trying to understand if its possible to carry out the following. I have a text file which contains output from multiple commands, within the file a node will be quiered twice if there was 2 commands for example. Is it possible do combine 2 lines into 1 if the first word is the... (1 Reply)
Discussion started by: mutley2202
1 Replies

6. UNIX for Dummies Questions & Answers

Need to combine two lines in a file based on first character of each line in a file

Hi, I have a requirement where I need to combine two lines in a file based on first character of each line in a file. Please find the sample content of the file below: Code: _______________________ 5, jaya, male, 4-5-90, single smart 6, prakash, male, 5-4-84, married fair 7, raghavi,... (1 Reply)
Discussion started by: jayaP
1 Replies

7. UNIX for Advanced & Expert Users

Need to combine two lines in a file based on first character of each line in a file

Hi, I have a requirement where I need to combine two lines in a file based on first character of each line in a file. Please find the sample content of the file below: Code: _______________________ 5, jaya, male, 4-5-90, single smart 6, prakash, male, 5-4-84, married fair 7, raghavi,... (1 Reply)
Discussion started by: jayaP
1 Replies

8. Shell Programming and Scripting

Program to combine two lines in a file on checking the first character of each line

Hi, I have a requirement where I need to combine two lines in a file based on first character of each line in a file. Please find the sample content of the file below: _______________________ 5, jaya, male, 4-5-90, single smart 6, prakash, male, 5-4-84, married fair 7, raghavi, female,... (12 Replies)
Discussion started by: jayaP
12 Replies

9. Shell Programming and Scripting

awk to combine matching lines in file

I am trying to combine all matching lines in the tab-delimited using awk. The below runs but no output results. Thank you :). input chrX 110925349 110925532 ALG13 chrX 110925349 110925532 ALG13 chrX 110925349 110925532 ALG13 chrX 47433390 47433999 SYN1... (3 Replies)
Discussion started by: cmccabe
3 Replies

10. Shell Programming and Scripting

Script to combine lines in a file

Greetings, I have large file with following format name1 name2 name3 name4 name5 name6 child7 child8 child9 <== there is leading blank space child10 child11 child12 <== there is leading blank space name13 name14 name15 name16 child17 child18... (6 Replies)
Discussion started by: rnnyusa
6 Replies

LEARN ABOUT OPENSOLARIS

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 5.11							    5 Jun 2002							insdelln(3XCURSES)
All times are GMT -4. The time now is 07:29 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy