Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How to substitute brackets in the beginning of string in perl?
Top Forums Shell Programming and Scripting How to substitute brackets in the beginning of string in perl? Post 302345737 by vanitham on Thursday 20th of August 2009 05:42:58 AM
Old 08-20-2009
How to substitute brackets in the beginning of string in perl?
Hi,

I have a string like this user can specify different query sets that is why "or" is mentioned:

Code:
$string="[[:<:]](";

or

$string="[[:<:]]((";

or

$string="[[:<:]](((";

or

$string="[[:>:]](((((";


What i have to do is substitute these brackets in the beginning.

I tried like this:

Code:
if($string=~/\[\[:<:\]\]\(/)
{
  $string=~s/\[\[:<:\]\]\(/\(\[\[:<:\]\]/g;
}
elsif($string=~/[[:<:]]\(\(/)
{
   #same here
}
elsif($string=~/[[:<:]]\(\(\(/)
{
  #same here
}
elsif($string=~/[[:<:]]\(\(\(\(/)
{
  #same here
}
elsif($string=~/[[:<:]]\(\(\(\(\(/)
{
  #same here
}

If statement i can use but i will be not be sure how many brackets will be there to substitute in the beginning?

I have to avoid this if loop!!

The output should be like this.

Code:
$string="\([[:<:]]";

or

$string="\(\([[:<:]]";

or

$string="\(\(\([[:<:]]";

etc like this all these different string examples are based on the users query sets that is why i just mentioned or such that user can give either like first string ( [[:<:]]\( ) or like second string ( [[:<:]]\(\( ).

How can i put or substitute brackets in the beginning of the sting?

Any ideas???

Regards
Vanitha
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Match keyword on string and substitute under vi

Hi guys, with sed when I need to make a substitution inside a line containing a specific keyword, I usually use: sed '/keyword/ s/cat/dog/g' This will substitute "cat" with "dog" on those lines containing "keyword". Now I want to use this inside vi, for several reason that I cannot... (2 Replies)
Discussion started by: lycaon
2 Replies

2. Shell Programming and Scripting

To substitute a string in a line to another string

Suppose, d=ABC*.BGH.LKJ Now I want to replace 'DEFGHIJ' instead of '*.B' and store the value in d. Any Idea? Can we use sed here? The outout should be like this: d=ABCDEFGHIJGH.LKJ Please help.. (4 Replies)
Discussion started by: Niroj
4 Replies

3. Shell Programming and Scripting

substitution of string in brackets

Hi friends! I have a tab delimited file with two columns : GB_45_DRB SP:0139466(mrmi sisignm)|SP:3674(fllflg_itoioh)|SP:68954779(RMTKLGF to emmdm-roomto) GB_45_DRD SP:475928(mgmdksi rikgkg)|SP:587959(roykgl tiic-tm)|SP:0139466(mrmi sisignm)|SP:3674(fllflg_itoioh)|SP:68954779(RMTKLGF to... (4 Replies)
Discussion started by: jacks
4 Replies

4. Shell Programming and Scripting

Deleting part of a string enclosed in brackets

I use otool on OS X to figure out the shared libraries that a binary uses. I run this command: otool -L /Applications/Vidnik\ 0.13.0/Vidnik.app/Contents/MacOS/Vidnik And it returns an output similar to this: /Applications/Vidnik 0.13.0/Vidnik.app/Contents/MacOS/Vidnik:... (10 Replies)
Discussion started by: pcwiz
10 Replies

5. UNIX for Advanced & Expert Users

grep string containing [] brackets

Hello, I am trying to grep string with square brackets. for example I want to grep the below string in log.txt file. This is a test thanks in advance. (2 Replies)
Discussion started by: sureshcisco
2 Replies

6. Shell Programming and Scripting

Substitute Perl Script

I am having trouble with a part of my substitute script I am using. I have it look through a file and find an exact match and then if it finds that match in the 1 file it should run the following 1 liner on 3 different files. perl -pi -e 's/$CurrentName\s/$NewName/g' foo.cfg; The issue that is... (8 Replies)
Discussion started by: Takau
8 Replies

7. Programming

Substitute string using location (preferably perl).

I have a string like. ATATATATTATTATATTATATTATT I want to substitute the characters to "C" by using these locations 3 7 10 18 15 20 desired Output: ATCCCCCTTACCCCCCCCCCTTATT any clue will be great help. :wall: thanks in advance. (2 Replies)
Discussion started by: admax
2 Replies

8. UNIX for Dummies Questions & Answers

Find and substitute a string

Hi, I started exploring unix recently. Now i have got a requirement like i have a input file where i am having some strings line by line (One string Might be single line or multiple lines). Now i need find these strings in another file and if its found i have to replace it with another string... (2 Replies)
Discussion started by: Sivajee
2 Replies

9. Shell Programming and Scripting

Issue catching/reading 2 digits and 3 letter string between brackets

Hello I'm writing a handler for ffmpeg, and having troubles to catch some exceptions that may occour with certain files. In order to parse for video & subtitle maps, i've had to make the raw data easier to handle, until now this worked well, but basicly i've just been lucky... The input... (1 Reply)
Discussion started by: sea
1 Replies

10. Shell Programming and Scripting

[sed]: Substitute a string with a multiline value

Dear all, I try to replace a string of characters in a file (MyFile.txt) by a multiline value of the variable "Myvar": $ cat MyFile.txt DESCRIPTION '@TargetTable SCHEMA' ( @InputFlowDef ); $ The content of Myvar: $ echo "$Myvar" col1 , col2 , col3 $ (4 Replies)
Discussion started by: dae
4 Replies

LEARN ABOUT DEBIAN

recoll

RECOLL(1)						      General Commands Manual							 RECOLL(1)

NAME

       recoll - user interface for the Recoll full text search system

SYNOPSIS

       recoll [ -c <configdir> ] [ -o | -l | -f | -a ] [ -t ] [ -q <query> ]

DESCRIPTION

       The recoll command will start the graphical user interface for querying the Recoll database.

       On the first run, recoll will create the user configuration which can be customized before starting the first indexation.

       The -c option specifies the configuration directory name, overriding the default or $RECOLL_CONFDIR.

       The  -q	option	can be used to specify an initial query on the command line. This query will be interpreted by default as a query language
       string.	If -a is specified, the query string will be interpreted as an all words simple search query. If -o is specified, the query string
       will  be  interpreted  as  an  any word simple search query. If -f is specified, the query string will be interpreted as a file name simple
       search query. If -l is specified, the query string will be interpreted as a query language simple search query.

       If -t is specified, the Graphical User Interface will not be started, and results will  be  printed  to	the  standard  output.	Additional
       options	understood  by	the  recollq  command may be specified in this case. These can control the output format and the maximum number of
       results to be printed.

       Please refer to online help for a full description.

SEE ALSO

       recollindex(1) recollq(1) recoll.conf(5)

								  8 January 2006							 RECOLL(1)
All times are GMT -4. The time now is 02:42 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy