Sponsored Content
Full Discussion: Using the command SED
Top Forums Shell Programming and Scripting Using the command SED Post 302588140 by jyang72211 on Saturday 7th of January 2012 01:22:58 AM
Old 01-07-2012
Quote:
Originally Posted by greet_sed
1)
Code:
sed -i s/search/replace/' fileA

2) Assume that fileC, fileD contains just one string.
try this:
TO_GREP=`cat fileC`
TO_REP=`cat fileD`
Code:
sed "s/$TO_GREP/$TO_REP/" fileA


When I do 2), can I execute the 3 lines one at a time?
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk/sed Command : Parse parameter file / send the lines to the ksh export command

Sorry for the duplicate thread this one is similar to the one in https://www.unix.com/shell-programming-scripting/88132-awk-sed-script-read-values-parameter-files.html#post302255121 Since there were no responses on the parent thread since it got resolved partially i thought to open the new... (4 Replies)
Discussion started by: rajan_san
4 Replies

2. Shell Programming and Scripting

Loop with sed command to replace line with sed command in it

Okay, title is kind of confusion, but basically, I have a lot of scripts on a server that I need to replace a ps command, however, the new ps command I'm trying to replace the current one with pipes to sed at one point. So now I am attempting to create another script that replaces that line. ... (1 Reply)
Discussion started by: cbo0485
1 Replies

3. UNIX for Dummies Questions & Answers

some help with the sed command please

hi all, attached you can find a small txt file ( .txt ), GIVEN that past_scheduler="islip" and scheduler="mucf" can somebody please tell me WHY sed 's/-u '$past_scheduler'/-u '$scheduler'/g' .txt > .txt.temp fails ? thanx (3 Replies)
Discussion started by: OneDreamCloser
3 Replies

4. Shell Programming and Scripting

Convert Sed command to perl command

Hello, Can any perl experts help me convert my sed string to perl. I am unsuccessful with this. I have to remove this string from html files OAS_AD('Top'); I have come up with this. However the requirement is in perl. for find in $(find . -type f -name "file1.html") ; do cat $find |... (2 Replies)
Discussion started by: abacus
2 Replies

5. UNIX for Dummies Questions & Answers

sed insert command and variable expansion/command substitution

I know this script is crummy, but I was just messing around.. how do I get sed's insert command to allow variable expansion to show the filename? #!/bin/bash filename=`echo $0` /usr/bin/sed '/#include/ { i\ the filename is `$filename` }' $1 exit 0 (8 Replies)
Discussion started by: glev2005
8 Replies

6. UNIX for Advanced & Expert Users

sed command

Hi..... I'm using sed command for replace the words in a file cat >test.txt My test.txt contains Mary had a little ham Mary fried a lot of spam Jack ate a Spam sandwich Jill had a lamb spamwich Marry had a spicy wich $ sed 's/wich$/mirchi/g' test.txt output is: Mary had a little ham... (24 Replies)
Discussion started by: ksrivani
24 Replies

7. Shell Programming and Scripting

sed returns error "sed: -e expression #1, char 18: unterminated `s' command"

Hello All, I have something like below LDC100/rel/prod/libinactrl.a LAA2000/rel/prod/libinactrl.a I want to remove till first forward slash that is outputshould be as below rel/prod/libinactrl.a rel/prod/libinactrl.a How can I do that ??? (8 Replies)
Discussion started by: anand.shah
8 Replies

8. Shell Programming and Scripting

sed Command

Hello, I'm working with this command which I'm having trouble understanding it: sed -e '1,$ s/SUB/N/g' < $1 > file.txt Where SUB stand for an special character with code in ASCII is 0x1A, notepad read it as a right arrow. Any help will be appreciated. (5 Replies)
Discussion started by: emilioveras
5 Replies

9. Shell Programming and Scripting

sed and awk giving error ./sample.sh: line 13: sed: command not found

Hi, I am running a script sample.sh in bash environment .In the script i am using sed and awk commands which when executed individually from terminal they are getting executed normally but when i give these sed and awk commands in the script it is giving the below errors :- ./sample.sh: line... (12 Replies)
Discussion started by: satishmallidi
12 Replies

10. UNIX for Dummies Questions & Answers

Output of sed command to another sed command

Hi All, I'm relatively new to Unix scripting and am trying to get my head around piping. I'm trying to take a header record from one file and prepend it to another file. I've done this by creating several temp files but i'm wondering if there is a cleaner way to do this. I'm thinking... (10 Replies)
Discussion started by: BigCroyd
10 Replies
STR_IREPLACE(3) 							 1							   STR_IREPLACE(3)

str_ireplace - Case-insensitive version ofstr_replace(3).

SYNOPSIS
mixed str_ireplace (mixed $search, mixed $replace, mixed $subject, [int &$count]) DESCRIPTION
This function returns a string or an array with all occurrences of $search in $subject (ignoring case) replaced with the given $replace value. If you don't need fancy replacing rules, you should generally use this function instead of preg_replace(3) with the i modifier. PARAMETERS
If $search and $replace are arrays, then str_ireplace(3) takes a value from each array and uses them to search and replace on $subject. If $replace has fewer values than $search, then an empty string is used for the rest of replacement values. If $search is an array and $replace is a string, then this replacement string is used for every value of $search. The converse would not make sense, though. If $search or $replace are arrays, their elements are processed first to last. o $search - The value being searched for, otherwise known as the needle. An array may be used to designate multiple needles. o $replace - The replacement value that replaces found $search values. An array may be used to designate multiple replacements. o $subject - The string or array being searched and replaced on, otherwise known as the haystack. If $subject is an array, then the search and replace is performed with every entry of $subject, and the return value is an array as well. o $count - If passed, this will be set to the number of replacements performed. RETURN VALUES
Returns a string or an array of replacements. EXAMPLES
Example #1 str_ireplace(3) example <?php $bodytag = str_ireplace("%body%", "black", "<body text=%BODY%>"); ?> NOTES
Note This function is binary-safe. Caution Replacement order gotcha Because str_ireplace(3) replaces left to right, it might replace a previously inserted value when doing multiple replacements. Example #2 in the str_replace(3) documentation demonstrates how this may affect you in practice. SEE ALSO
str_replace(3), preg_replace(3), strtr(3). PHP Documentation Group STR_IREPLACE(3)
All times are GMT -4. The time now is 12:40 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy