Sponsored Content
Full Discussion: Substitution using sed
Top Forums UNIX for Dummies Questions & Answers Substitution using sed Post 5579 by Optimus_P on Friday 17th of August 2001 09:14:54 AM
Old 08-17-2001
Re: Substitution using sed

Quote:
Originally posted by Ohji
I know we can substitute a string using sed but how?

For example: sed 's/(old variable)/(new variable)/ details.dat

Am I suppose to put $old variable or whatever? Because I tried many times, it didnt work by putting $old variable. Am I suppose to enclose it with "" or ''?

Please help
your missing a closeing single quote.

should be
sed 's/(old variable)/(new variable)/' details.dat
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

sed substitution

Hi, I have a set of files containing strings like I.TEST1_TEST2 or B.ESSA_ESSB for example. Does somebody know how to substitute these strings whith the same name and an extension "_V1" (ie. I.TEST1_TEST2_V1) using sed command or else ? (3 Replies)
Discussion started by: jo_aze
3 Replies

2. Shell Programming and Scripting

Substitution using SED

Hi , I am stuck up in the below scenario:- I need to read a file name (eg A.txt) name frm another file (eg B.txt) and then I need to search for a particular expression in A.txt and substitute it with another expression. How can I use SED inside SHELL Scripting and command prompt as... (2 Replies)
Discussion started by: shubhranshu
2 Replies

3. Shell Programming and Scripting

SED Substitution

Hi , I am stuck up in the below scenario:- I need to read a file name (eg A.txt) name frm another file (eg B.txt) and then I need to search for a particular expression in A.txt and substitute it with another expression. How can I use SED inside SHELL Scripting and command prompt as well to... (1 Reply)
Discussion started by: shubhranshu
1 Replies

4. Shell Programming and Scripting

SED Substitution

Hi guys, Can u please help me to replace (-) with (/) in a file containing no of records using "sed " command in unix. thanks in advance. subhendu (5 Replies)
Discussion started by: subhendu81
5 Replies

5. Shell Programming and Scripting

sed substitution

Hi I am trying to do a text insertion in a text file at a particular line number in a shell script. However its not working. sed '122i\ > for j in \`echo $MyList\` ; do perl -pi -e\'s#01\/01\/2009#01\/01\/2011#\' $j ; done' $HOME/MyScript.ksh The Actual line to be inserted at line 122... (5 Replies)
Discussion started by: som.nitk
5 Replies

6. UNIX for Dummies Questions & Answers

Help with sed substitution

I'm a noob to unix, and I have a line of data like the following: title=Boston|tcolor=green|desc=Large city in New England|url=www.boston.com Is there a way to change a field value with sed substitution? (i.e. change tcolor=green to tcolor=blue) I figured out: sed... (19 Replies)
Discussion started by: stabby
19 Replies

7. Shell Programming and Scripting

Substitution with sed

I have a file with some numbers having single quotes around them which I want to remove. i.e. '923930' -> 23930 If it can be done without using sed thats fine. I have tried with sed but can't think how to replace this pattern on only the numbers (13 Replies)
Discussion started by: user_invalid
13 Replies

8. Shell Programming and Scripting

sed substitution

Hello, I have two files. File1 is normal txt file and File2 contains list of line numbers. e.g. File2: 3 6 9 ..... I need to replace a character in File1 in lines (taken from File2). For that I am using a "for" loop: for i in $(cat File2) do sed "$i s/Y/N/" File1 done but my... (3 Replies)
Discussion started by: shekhar2010us
3 Replies

9. UNIX for Dummies Questions & Answers

sed substitution

How can you use sed with a line of code that reads: 67899:Bill:Williams:Maple Dr.:45908600 Let us say we want to replace Maple Dr. with Oak St. (1 Reply)
Discussion started by: yonkers062986
1 Replies

10. Shell Programming and Scripting

sed substitution

Hi everyone, I need very simple sed command to change a parameter in a text file. I have a line in this text which is like set xx 0.5 A program reads this file and does some algebraic calculations. So to make a parameter scan I need to change the value of xx. I thought I can do... (7 Replies)
Discussion started by: hayreter
7 Replies
APACHE_SETENV(3)							 1							  APACHE_SETENV(3)

apache_setenv - Set an Apache subprocess_env variable

SYNOPSIS
bool apache_setenv (string $variable, string $value, [bool $walk_to_top = false]) DESCRIPTION
apache_setenv(3) sets the value of the Apache environment variable specified by $variable. Note When setting an Apache environment variable, the corresponding $_SERVER variable is not changed. PARAMETERS
o $variable - The environment variable that's being set. o $value - The new $variable value. o $walk_to_top - Whether to set the top-level variable available to all Apache layers. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 Setting an Apache environment variable using apache_setenv(3) <?php apache_setenv("EXAMPLE_VAR", "Example Value"); ?> NOTES
Note apache_setenv(3) can be paired up with apache_getenv(3) across separate pages or for setting variables to pass to Server Side Includes (.shtml) that have been included in PHP scripts. SEE ALSO
apache_getenv(3). PHP Documentation Group APACHE_SETENV(3)
All times are GMT -4. The time now is 12:37 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy