Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Abnormality while piping tr command output to sed
Top Forums Shell Programming and Scripting Abnormality while piping tr command output to sed Post 302746537 by chidori on Wednesday 19th of December 2012 03:16:40 PM
Old 12-19-2012
I have the file in unix system only and i dont see any any extra character. I am using solaris 10 .
Code:
# cat myfile
alpha
beta
gamma

# od -c myfile
0000000   a   l   p   h   a  \n   b   e   t   a  \n   g   a   m   m   a
0000020  \n
0000021
#

Code:
# tr -s '\n' ',' < myfile | sed 's/,$//'
#

I have tried this with bourne and bash shell. not same result.

sed path : /bin/sed

I tried with xpg4 path and output looks promising but with a warning message

Code:
# tr -s '\n' ',' < myfile | /usr/xpg4/bin/sed 's/,$//'
sed: Missing newline at end of file standard input.
alpha,beta,gamma

---------- Post updated at 03:16 PM ---------- Previous update was at 03:10 PM ----------

@Don Cragun your code worked. I am not able to get the point on why this behaviour is seen. why does a strip of trailing newlines piped to sed/awk wont work ?
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Piping output to while read

Hi. Im using cat to output the contents of a file, then piping it to my while read loop.In this loop variables get assigned values. However when i try to use the variables outside the loop their values has been reset.I understand about subshells etc. but I have no idea how to "preserve" the... (3 Replies)
Discussion started by: Ultimodiablo
3 Replies

2. UNIX for Dummies Questions & Answers

piping the output of find command to grep

Hi, I did not understand why the following did not work out as I expected: find . -name "pqp.txt" | grep -v "Permission" I thought I would be able to catch whichever paths containing my pqp.txt file without receiving the display of messages such as "find: cannot access... Permisson... (1 Reply)
Discussion started by: 435 Gavea
1 Replies

3. Shell Programming and Scripting

piping output to echo

Hi, I was wondering why ls * | echo does not print the contents of the directory to the screen? The way I see it, ls * returns a whole lot of information, and then we pipe all this info to echo, so surely it should all come to our screen! Is there a serious flaw in my understanding? ... (3 Replies)
Discussion started by: A1977
3 Replies

4. Shell Programming and Scripting

piping output of tail running in background

Not sure why this does not work in bash: tail -f err.log |& -bash: syntax error near unexpected token `&' I am attempting to continuously read a file that is being updated by doing a "tail -f" on the file and piping the output to stdin which can then be read by the next shell command Thnx (4 Replies)
Discussion started by: anuramdas
4 Replies

5. Shell Programming and Scripting

piping oracle output to a file?

Hi All... Does anyone know how to pipe the output of a "select" statement from a call to Oracle to a file? ANy ideas woule be greatly appreciated! Code is as below... echo "producing CSV file 2..." sqlplus -s $username/$password@$database<<EOF set serveroutput on size 1000000 set... (13 Replies)
Discussion started by: satnamx
13 Replies

6. Shell Programming and Scripting

Piping and assigning output to a variable in Perl

Hi All, I am trying to convert the below Csh code into Perl. But i have the following error. Can any expert help ? Error: ls: *tac: No such file or directory Csh set $ST_file = `ls -rt *$testid*st*|tail -1`; Perl my $ST_file = `ls -rt *$testid*st*|tail -1`; (10 Replies)
Discussion started by: Raynon
10 Replies

7. Shell Programming and Scripting

Piping output from a command into bash script

Hi all. I am using procmail to deliver an email to a script I am developing. Procmail delivers the email to the script on standard input. I imagine this is the same as piping input from a command into the script. Hence I've been testing my script by running echo 'test' | sms-autosend-backup.sh ... (2 Replies)
Discussion started by: akindo
2 Replies

8. Shell Programming and Scripting

need help piping the output from an app... uh, yeah...

Ok, so there is a perl script that runs as a server, on my local host. It tells me which port to use. I want to pipe that output into my browser so I can do the whole thing with a single command. The problem is, I think, that the program doesn't actually exit cause it's running a server, so...... (6 Replies)
Discussion started by: ninjaaron
6 Replies

9. Shell Programming and Scripting

Piping output of ls to a text file

Basically I was wondering if any of you know how to pipe the output of ls to a text file? so in my shell script one of the lines is ls but i want to pipe it into a file called directory listing. Cheers. I have tried ls | Directorylisting.txt but it keeps saying " line 7: DirectoryListing.txt:... (9 Replies)
Discussion started by: LinuxNubBrah
9 Replies

10. UNIX for Beginners Questions & Answers

Facing abnormality in Find command

Whenever the below command is being executed by a scheduler at UNIX environment, we are getting below error cd /tmp/log find . -ignore_readdir_race ! -name . -prune -iname 'XYZ*' -type f -mtime +4 -printf "%f\n" ./tmpfile.script_name.2.31885.201906071336.tmp': No such file or directory... (2 Replies)
Discussion started by: Anirban2208
2 Replies

LEARN ABOUT DEBIAN

colorgccrc

COLORGCCRC(5)							File Formats Manual						     COLORGCCRC(5)

NAME

       colorgccrc - configuration file for colorgcc

DESCRIPTION

       A colorgccrc configuration file is used to configure the highlighting of the compiler output from colorgcc.

SYNTAX

       Each  line  consists  of  a  keyword  designating  a configuration variable.  The keyword is followed by `:' and then one or several values
       (depending on the keyword).  Lines beginning with a hash mark `#' are comments.

CONFIGURATION VARIABLES

       g++ | gcc | c++ | cc | g77 | gcj | gnat | gpc
	      Specifies the paths to the compilers.  Takes one value; a path to the compiler.

       nocolor
	      Specifies what terminal types colorization should be disabled on.  Takes one or several values, separated by whitespace.

       srcColor
	      Specifies the highlighting attributes source-code should be given.  Takes one or several color attributes.  See  the  section  COLOR
	      ATTRIBUTES for more information.

       introColor
	      Specifies  the  highlighting  attributes	for normal compiler output.  Takes one or several color attributes.  See the section COLOR
	      ATTRIBUTES for more information.

       warningFileNameColor | errorFileNameColor
	      Specifies the highlighting attributes for the filename in a  warning  or	an  error,  respectively.   Takes  one	or  several  color
	      attributes.  See the section COLOR ATTRIBUTES for more information.

       warningNumberColor | errorNumberColor
	      Specifies  the  highlighting  attributes	for  the  line-number  in a warning or an error, respectively.	Takes one or several color
	      attributes.  See the section COLOR ATTRIBUTES for more information.

       warningMessageColor | errorMessageColor
	      Specifies the highlighting attributes for the message-text in a warning or an error,  respectively.   Takes  one	or  several  color
	      attributes.  See the section COLOR ATTRIBUTES for more information.

COLOR ATTRIBUTES

       The following attributes are valid for highlighting.

       clear, reset

       bold, underline, underscore, blink, reverse, concealed

       black, red, green, yellow, blue, magenta, cyan, white

       on_black, on_red, on_green, on_yellow, on_blue, on_magenta, on_cyan, on_white

SEE ALSO

       gcc(1), colorgcc(1)

HISTORY

       Jan 15 2003: Initial version of this manual-page.

REPORTING BUGS

       Report bugs to <jmoyers@geeks.com>

AUTHORS

       Jamie Moyers <jmoyers@geeks.com> is the author of colorgcc.

       This  manual  page  was	written  by Joe Wreschnig <piman@sacredchao.net>, and modified by David Weinehall <tao@debian.org>, for the Debian
       GNU/Linux system (but may be used by others).

COPYRIGHT

       Copyright (C) 2003 Jamie Moyers
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

								   Jan 15, 2003 						     COLORGCCRC(5)
All times are GMT -4. The time now is 05:23 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy