Sponsored Content
Operating Systems AIX How can i replace a character with blank space? Post 302186289 by bakunin on Thursday 17th of April 2008 02:07:29 AM
Old 04-17-2008
Quote:
Originally Posted by rollthecoin
The query should check for characters which is not present in the following
A to Z,
a to z ,
0 to 9
You have already solved the problem almost - all on your own. Just construct a simple regular expression from your goal:

Code:
[^A-Za-z0-9.,#&@]

will find any characters which are not small characters, capitalized characters, digits or some punctuation characters. Add in the brackets more punctuation characters to exclude them too from the found characters as per your request. Now put this mechanism to work with "sed" or whatever:

Code:
sed '/[^A-Za-z0-9.,#&@]//g' /path/to/sourcefile > /path/to/newfile

will delete all the characters not covered in the regexp and write the result to a file. Check this file and modify the regexp as necessary depending on the result.

I hope this helps.

bakunin
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to replace all entries of comma in text file by space or other character

Hi , How to replace all entries of comma in text file by space or other character. cat temp.txt A,B,C,D I want this file to be like A B C D Please help!!! (4 Replies)
Discussion started by: prashant43
4 Replies

2. Shell Programming and Scripting

Replace a blank space with string "\\ "

Hi, I have a requirement to replace a every blank space with char "\\ ". Like string "God Love" to "God\\ Love" and "God Love" as "God\\ \\ Love". and only in the sed. We have already a script but it is replaceing all continuous blank space with one "\\ ". which is as DIR=`sudo echo... (7 Replies)
Discussion started by: Akshay4u
7 Replies

3. Shell Programming and Scripting

how to replace a character with blank in a file

hi, I have a doubt in replacing characters with blank. My requirement is that, i have one file and looks like below 4:ALTER SYSTEM DISCONNECT SESSION '193,191' IMMEDIATE; 6:ALTER SYSTEM DISCONNECT SESSION '205,7274' IMMEDIATE; 5:ALTER SYSTEM DISCONNECT SESSION '206,34158' IMMEDIATE;... (4 Replies)
Discussion started by: sridhusha
4 Replies

4. Shell Programming and Scripting

Replace comma with a blank space using SED

Hello everyone, I want to replace all "," (commas) with a blank space My command thus far is: cat test.text | sed -e s/\`//g | awk '{print$1" "$2" "$3}' I'm sure you guys know this, but the SED command that I am using is to get rid of the "`" (tics). which gives me: name ... (5 Replies)
Discussion started by: jayT
5 Replies

5. UNIX for Dummies Questions & Answers

Replace colon with blank space

Dear Gurus, I have a unix file with multiple colons on each row, and I would like to replace each colon with a blank space using the awk command. For example, I have the following data: Data: --------- A~000000000000518000~SLP:~99991231~20090701~00102.00~USD:~CS:~... (2 Replies)
Discussion started by: chumsky
2 Replies

6. Shell Programming and Scripting

Replace newline character between a double quotes to a space

Hi Guys, I have a file with content as below aj.txt "Iam allfine" abcdef abcd "all is not well" What I'm trying to say is my data has some new line characters in between quoted text. I must get ride of the newline character that comes in between the quoted text. output must be:... (8 Replies)
Discussion started by: ajahuja
8 Replies

7. Shell Programming and Scripting

Romove columns and replace a space with a character

Hi, I have a file containing this: testvol1 unix enabled testvol2 unix enabled testvol3 unix enabled testvol3 qtree1 unix enabled testvol3 qtree2 unix enabled testvol4 unix enabled testvol4 qtree1 unix enabled And I want an output of this: testvol1... (4 Replies)
Discussion started by: niap21
4 Replies

8. UNIX for Dummies Questions & Answers

Replace character by blank

Hi all, I have 89 columns,1200 rows in a flat file, some of the values are just '.' (the character dot). I want to replace them by nothing (blank), but when I do so, it affects the decimal numbers too. so 12.34 becomes 1234. How can I just replace values which are only '.' with 1 white... (13 Replies)
Discussion started by: newbie83
13 Replies

9. Shell Programming and Scripting

Remove blank space and insert special character

Hi Folks, I have a huge data of the below format abc #apple 1200 06/23 ghj #orange 1500 06/27 uyt #banana 2300 05/13 efg #vegetable 0700 04/16 After first 3 letters, i have 9 spaces and after fruit there are no specific fixed space, but it varies... (4 Replies)
Discussion started by: jayadanabalan
4 Replies

10. Post Here to Contact Site Administrators and Moderators

Search for a pattern and replace a space at specific position with a Character in File

In file, we have millions of records each of 1000 in length. And at specific position say 800 there is a space, we need to replace it with Character X if the ID in that row starts with 123. So far i have used the below which is replacing space at that position to X but its not checking for... (3 Replies)
Discussion started by: Jagmeet Singh
3 Replies
GIT-REPLACE(1)							    Git Manual							    GIT-REPLACE(1)

NAME
git-replace - Create, list, delete refs to replace objects SYNOPSIS
git replace [-f] <object> <replacement> git replace -d <object>... git replace -l [<pattern>] DESCRIPTION
Adds a replace reference in refs/replace/ namespace. The name of the replace reference is the SHA-1 of the object that is replaced. The content of the replace reference is the SHA-1 of the replacement object. Unless -f is given, the replace reference must not yet exist. Replacement references will be used by default by all Git commands except those doing reachability traversal (prune, pack transfer and fsck). It is possible to disable use of replacement references for any command using the --no-replace-objects option just after git. For example if commit foo has been replaced by commit bar: $ git --no-replace-objects cat-file commit foo shows information about commit foo, while: $ git cat-file commit foo shows information about commit bar. The GIT_NO_REPLACE_OBJECTS environment variable can be set to achieve the same effect as the --no-replace-objects option. OPTIONS
-f If an existing replace ref for the same object exists, it will be overwritten (instead of failing). -d Delete existing replace refs for the given objects. -l <pattern> List replace refs for objects that match the given pattern (or all if no pattern is given). Typing "git replace" without arguments, also lists all replace refs. BUGS
Comparing blobs or trees that have been replaced with those that replace them will not work properly. And using git reset --hard to go back to a replaced commit will move the branch to the replacement commit instead of the replaced commit. There may be other problems when using git rev-list related to pending objects. And of course things may break if an object of one type is replaced by an object of another type (for example a blob replaced by a commit). SEE ALSO
git-tag(1) git-branch(1) git(1) GIT
Part of the git(1) suite Git 1.8.3.1 06/10/2014 GIT-REPLACE(1)
All times are GMT -4. The time now is 12:37 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy