Sed line concatenation problem

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

sed command to replace a line at a specific line number with some other line

my requirement is, consider a file output cat output blah sdjfhjkd jsdfhjksdh sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf hellow there this doesnt look good et cetc etc etcetera i want to replace a line of line number 4 ("this doesnt look good") with some other line ...

2. Shell Programming and Scripting

Line concatenation help

please help me on this.... cat /xx.txt 2:1 2 2:2 24 8:0 0 9:0 0 Expected result would be 2:1 2 2:2 24 8:0 0 9:0 0

3. Shell Programming and Scripting

String variable concatenation through loop problem

Hi Team!! Please can anyone tell me why the following line does not work properly? str3+=$str2 it seems that str3 variable does not keep its value in order to be concatenated in the next iteration! Thus when i print the result of the line above it returns the str2 value What i want to do is to...

4. Shell Programming and Scripting

String concatenation problem

Hi there, I'm writing a basic script where I want to make a string of 2 numeric fields from a file, which I have done, but the behavior is rather confusing. I have a file of random values such as: 1 2 3 4 5 6 7 8 9 10 and my awk code is: BEGIN { FS = " " } { str = str $1 $2 } END {...

5. Shell Programming and Scripting

Concatenation of a line to previous line

I need to concatenate all lines of a file into 1 line. input file containing lines like 001123456400001234563 107 001578000000000000000000000000000000000000 0000000021600 001123456912345600003 107 001578000000000000000000000000000000000000 0000000992000 i am using command echo `awk...

6. Shell Programming and Scripting

Another parsing line awk or sed problem

Hi, After looking on different forums, I'm still in trouble to parse a parameters line received in KSH. $* is equal to "/AAA:111 /BBB:222 /CCC:333 /DDD:444" I would like to parse it and be able to access anyone from his name in my KSH after. like echo myArray => display 111 ...

7. Shell Programming and Scripting

sed problem - last line of file deleted

Hi, I am simply trying to remove the header row from a file using sed, but I'm running into strange difficulties. It seems that in addition to removing the first line, this command is also removing the last line (or more specifically, clearing the last line, since the line is still counted...

8. Shell Programming and Scripting

SED - editing file names (End of line problem?)

For lists in sed, to say what to replace, is this correct: I am hoping that this would recognise that either a "." is present, or that the substitution happens at the end of the line. For files with extensions , my script works perfectly. My problem is, files without extentions, i.e. . ...

9. Shell Programming and Scripting

File concatenation problem

I have written a script to find particular text files created within the last 24 hours and concatenate them all into a single concat.txt file. The problem that I am running into is that the last line of the text files do not terminate with <CR><LF> characters (as do all the other lines in each...

10. UNIX for Dummies Questions & Answers

Sed new line problem

Hi all, I've searched the web and this forum for this but not had any luck. I'm trying to use sed so when it finds a space it will insert a new line. What i have is a file containing .e.g 1 2 4 7 9 and want it to look like 1 2 4 7 9 I've tried: more test2 | sed 's/ /\\n/g'...

LEARN ABOUT DEBIAN

shtool-subst

SHTOOL-SUBST.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-SUBST.TMP(1)

NAME

       shtool-subst - GNU shtool sed(1) substitution operations

SYNOPSIS

       shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
       [-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]

DESCRIPTION

       This command applies one or more sed(1) substitution operations to stdin or any number of files.

OPTIONS

       The following command line options are available.

       -v, --verbose
	   Display some processing information.

       -t, --trace
	   Enable the output of the essential shell commands which are executed.

       -n, --nop
	   No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.

       -w, --warning
	   Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
	   operations resulted in no content change on all files.

       -q, --quiet
	   Suppress warning on substitution operation resulting in no content change.

       -s, --stealth
	   Stealth operation. Preserve timestamp on file.

       -i, --interactive
	   Enter interactive mode where the user has to approve each operation.

       -b, --backup ext
	   Preserve backup of original file using file name extension ext.  Default is to overwrite the original file.

       -e, --exec cmd
	   Specify sed(1) command directly.

       -f, --file cmd-file
	   Read sed(1) command from file.

EXAMPLE

	#   shell script
	shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]

	#    RPM spec-file
	%install
	    shtool subst -v -n 
		-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g' 
		-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g' 
		`find . -name Makefile -print`
	    make install

HISTORY

       The GNU shtool subst command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 2001 for GNU shtool.  It was prompted
       by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.

SEE ALSO

       shtool(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-SUBST.TMP(1)

Shell Programming and Scripting