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Top Forums Shell Programming and Scripting incrementing lines in the file & format output. Post 302551167 by Shell_Life on Monday 29th of August 2011 03:10:58 PM
Old 08-29-2011
Quote:
Originally Posted by ashanabey
How do i increment each line in the file and read, If can assign to two variables while increment line then i can get the output I need.
cat b.txt |paste -s -d " " - > c.txt
output
Sir, make sure you use EXACTLY the proposed solution:
Code:
paste -d' ' - - < Inp_File

I never suggested you use:
Code:
cat b.txt |paste -s -d " "  - > c.txt

The solution:
Code:
sed  'N; s/\n/ /'

does not output the last line for an odd number of lines file. Example:
Code:
Line1
Line2
Line3

The output will be:
Code:
Line1 Line2

The last record "Line3" will not be displayed.

If you want to use "sed", here is a working solution:
Code:
sed '$!N;s/\n/ /'

 

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SHCOMP(1)						       Korn shell utilities							 SHCOMP(1)

NAME
shcomp - compile a shell script SYNOPSIS
shcomp [ options ] [infile [outfile]] DESCRIPTION
Unless -D is specified, shcomp takes a shell script, infile, and creates a binary format file, outfile, that ksh can read and execute with the same effect as the original script. Since aliases are processed as the script is read, alias definitions whose value requires variable expansion will not work correctly. If -D is specified, all double quoted strings that are preceded by $ are output. These are the messages that need to be translated to locale specific versions for internationalization. If outfile is omitted, then the results will be written to standard output. If infile is also omitted, the shell script will be read from standard input. OPTIONS
[D dictionary] Generate a list of strings that need to be placed in a message catalog for internationalization. [n noexec] Displays warn- ing messages for obsolete or non-conforming constructs. [v verbose] Displays input from infile onto standard error as it reads it. EXIT STATUS
0 Successful completion. >0 An error occurred. SEE ALSO
ksh(1) IMPLEMENTATION
version shcomp (AT&T Research) 2003-03-02 author David Korn <dgk@research.att.com> copyright Copyright (c) 1982-2010 AT&T Intellectual Property license http://www.opensource.org/licenses/cpl1.0.txt 2003-03-02 SHCOMP(1)
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