Echo "abc" | sed - r 's/a/&

Echo "abc" | sed - r 's/a/&_&/

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

what does "&" do in this sed command

I want to know the working of & here step by step using sed command: echo "abc" | sed - r 's/a/&_&/'

2. Web Development

How would I mod_rewrite "/~a1Pha" and "/=a1Pha" to "/paste/a1Pha.htm"? (internally & externally)

Basically I want to shorten URLs on my html pasting site (pasteht.ml), by using "/~a1Pha" instead of "/paste/a1Pha". The ID is 5 numbers and letters, both cases. For example: /~idnum serves /paste/idnum.htm /=idnum serves /paste/idnum.htm /paste/idnum redirects to /~idnum (to update any old...

3. Shell Programming and Scripting

finding the strings beween 2 characters "/" & "/" in .txt file

Hi all. I have a .txt file that I need to sort it My file is like: 1- 88 chain0 MASTER (FF-TE) FFFF 1962510 /TCK T FD2TQHVTT1 /jtagc/jtag_instreg/updateinstr_reg_1 dff1 (TI,SO) 2- ...

4. Shell Programming and Scripting

Replace dashes positions 351-357 & 024-043 with 0 & replace " " if exis with 04 at position 381-382

I need to replace dashes (i.e. -) if present from positions 351-357 with zero (i.e. 0), I also need to replace dash (i.e “-“) if present between position 024-043 with zero (i.e. 0) & I replace " " (i.e. 2 space characters) if present at position 381-382 with "04". Total length of record is 413....

5. Red Hat

files having Script which works behind "who" & "w" commands

Dear All, plz print the path of files which have the script of "who" & "w" commands. thnx in advance.

6. Shell Programming and Scripting

Manipulate "&" in sed

Is it possible to manipulate the ampersand in sed? I want to sum +1 to all numbers in a file. Example that doesn't work:sed "s/\{1,2\}/$(expr & + 1)/g" filenameAlso, how to return 02 instead of 2 from expr?

7. Shell Programming and Scripting

What does this really mean? "tty -s && stty istrip"

I am having hard time understanding what this really do to the environment? I do understand this part "tty -s && stty " but not "istrip" # stty command is executed only if a tty is attached to the process. # stty istrip : Strip input characters to 7 bits tty -s && stty istrip I am...

8. Shell Programming and Scripting

Append && echo "success" to all commands

I am learning to build from SVN and other tools, with a lot of copying and pasting from forums. I like to append && echo "success" to all commands so that I can see at a glance if things went all right. Is there a way that I can have the bash shell append this to all commands? Thanks!

9. Shell Programming and Scripting

"sed" to check file size & echo " " to destination file

Hi, I've modified the syslogd source to include a thread that will keep track of a timer(or a timer thread). My intention is to check the file size of /var/log/messages in every one minute & if the size is more than 128KB, do a echo " " > /var/log/messages, so that the file size will be set...

10. What is on Your Mind?

[[ $(date +%Y) == 2007 ]] && echo "Happy New Year"

Same as the Title! :)

LEARN ABOUT PHP

reset

RESET(3)								 1								  RESET(3)

reset - Set the internal pointer of an array to its first element

SYNOPSIS

       mixed reset (array  &$array)

DESCRIPTION

       reset(3) rewinds $array's internal pointer to the first element and returns the value of the first array element.

PARAMETERS

	      o $array
		- The input array.

RETURN VALUES

	Returns the value of the first array element, or FALSE if the array is empty.

EXAMPLES

       Example #1

	      reset(3) example

	      <?php

	      $array = array('step one', 'step two', 'step three', 'step four');

	      // by default, the pointer is on the first element
	      echo current($array) . "<br />
"; // "step one"

	      // skip two steps
	      next($array);
	      next($array);
	      echo current($array) . "<br />
"; // "step three"

	      // reset pointer, start again on step one
	      reset($array);
	      echo current($array) . "<br />
"; // "step one"

	      ?>

SEE ALSO

       current(3), each(3), end(3), next(3), prev(3).

PHP Documentation Group 														  RESET(3)

UNIX for Beginners Questions & Answers