Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: sed doubt...
Top Forums Shell Programming and Scripting sed doubt... Post 302357728 by vasanth.vadalur on Wednesday 30th of September 2009 12:42:04 PM
Old 09-30-2009
sed doubt...
Hi,

i need find and replace a sting with a new variable having value as spaces in between.

Eg:

set a = "i am variable"
set b = "i am second"

sed -e 's/find_string/'$a'/g' -e 's/find2_str/'$b'/g' input_file


here it is giving error...

How to get an varaible, which is having space..

Thanks in advance,
Vasanth

---------- Post updated at 08:42 AM ---------- Previous update was at 08:33 AM ----------

Hi

anybody there to help me on this issue.

Vasanth
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

doubt it sed

Hello.. i want to use variable in sed.. like sed 's/ROOTMAILID/$variable/g' conf.test but its not working.. please help thanks in advance esham (2 Replies)
Discussion started by: esham
2 Replies

2. UNIX for Dummies Questions & Answers

doubt in sed

hi all, i have a variable exported as VAR=ATTRIB then tried with, echo "tt" | sed 's/^/$VAR/' expected result as ttATTRIB but obtained only, $VARtt i could nt get where i am wrong. Thanks. (3 Replies)
Discussion started by: matrixmadhan
3 Replies

3. UNIX for Advanced & Expert Users

Doubt in SED command

PLEASE EXPLANIN ME... sed 's~\(.*\)\(<name>\)\(.*\)\(</name>\)\(.*\)~\2\3\4~' this is the format <start><name>123<\name><addr>BAC<\addr><loc>sfo<\loc></start> (1 Reply)
Discussion started by: gksenthilkumar
1 Replies

4. Shell Programming and Scripting

Basic SED doubt

Hi Friends!! I want to add a / at the end of a number. for example i have CQ65758 /, in this case i want to shift that backspace one space to the left so the my result becomes CQ65758/. How can i do that with sed. Thanks Adi (3 Replies)
Discussion started by: asirohi
3 Replies

5. Shell Programming and Scripting

A sed doubt - need explanation

Hi, The following command works fine for me, but I could not grasp the logic working behind of sed command, it's obscure to me :( :confused: echo "./20080916/core/audioex.amr" | sed "s%\(\)/%\1_%g" o/p: ./20080916_core_audioex.amr Could anyone please explain to me in detail, that how... (6 Replies)
Discussion started by: royalibrahim
6 Replies

6. Shell Programming and Scripting

sed command doubt

i have input files like this SFE_DOC_DATE (SFE_DOC_DATE:UniChar.:): "04/18/20" SFE_PSTNG_DATE (SFE_PSTNG_DATE:UniChar.:): "04/18/20" SFE_CREATEDON (SFE_CREATEDON:UniChar.:): "05/31/20" SFE_CLEAR_DATE (SFE_CLEAR_DATE:UniChar.:): "(NULL)" SFE_CLR_DOC_NO... (3 Replies)
Discussion started by: Gopal_Engg
3 Replies

7. Shell Programming and Scripting

sed doubt in extracting

Hi, Can anyone help me in understanding how the below code works? echo "texxt" | sed 's///' gives output exxt, ideally it should give xxt. as this should remove the chars which is not x. echo 'x_a_b_a_c_a_d' | sed 's/.*\(a\)/\1/' gives output as a_d, which should be 'a' as it's the only... (2 Replies)
Discussion started by: royalibrahim
2 Replies

8. UNIX for Dummies Questions & Answers

sed basic doubt

Hi , what is the equivalent of below awk in sed. awk '$1=="ABC"&&$2=="XYZ" {print $0}' infile Thanks, Shruthi (6 Replies)
Discussion started by: shruthidwh
6 Replies

9. Shell Programming and Scripting

sed q predicate doubt

Hi, Could anyone please explain me what the following command does? sed -ne "/\"$var\"/{=;q}" file (1 Reply)
Discussion started by: royalibrahim
1 Replies

10. UNIX for Dummies Questions & Answers

Doubt in sed

Hi All Can some one explain what does the given two sed commands do :confused: sed "s/\'/\\\'/g" | sed 's/\"/\\\"/g' Please find the sample code i used to find out what this is doing , but it has confused me more :wall: $ cat sri1.txt \ ' " $ sed 's/\"/\\\"/g' sri1.txt \ '... (5 Replies)
Discussion started by: Sri3001
5 Replies

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)
All times are GMT -4. The time now is 08:07 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy