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1. Shell Programming and Scripting
OS : RHEL 6.7
Shell : bash
I am trying to remove the leading the spaces in the below file
$ cat pattern2.txt
Expected output is shown below.
$ cat pattern2.txt
hello4 (2 Replies)
Discussion started by: John K
2. Shell Programming and Scripting
I know that this expression gets rid of non-alphanumeric characters:
and I understand that it is replacing them with nothing - hence the '//'-, but I don't understand how it's doing it.
It seems it's finding strings that begin with alphanumeric and replacing them with... (2 Replies)
Discussion started by: bgnersoon2be#1
3. Shell Programming and Scripting
Hello. I've been thinking about how to go about this. I know I'm close but still does not work. I need to remove any word in that is not at least 2 characters long. I've removed all the non-alphabetic characters already (numbers included). Here's an example:
my $string = "This string is a... (4 Replies)
Discussion started by: D2K
4. Shell Programming and Scripting
I had a string in perl script as below.
Tue Augáá7 03:54:12 2012
Now I need to replace the special character with space.
After removing the special chaacters
Tue Aug 7 03:54:12 2012
Could anyone please help me here for writing the regular expression?
Thanks in advance..
GS (1 Reply)
Discussion started by: giridhar276
5. Shell Programming and Scripting
I am new to Unix and trying to run some scripting on a linux box. I am trying to remove the non alphanumeric characters and alpha characters from the following line.
<measResults>883250 869.898 86432.4 809875.22 804609 60023 59715 </measResults>
Desired output is:
883250... (6 Replies)
Discussion started by: jackma
6. Shell Programming and Scripting
Hi, I'm writing a ksh script and trying to use an awk / sed / or perl one-liner to remove the last 4 characters of a line in a file if it begins with a period.
Here is the contents of the file... the column in which I want to remove the last 4 characters is the last column. ($6 in awk). I've... (10 Replies)
Discussion started by: right_coaster
7. Shell Programming and Scripting
can you help me in removing the junk character "^S" from the below line using perl
Reference Data Not Recognised ^S Where a value is provided by the consuming system, which is not reco
M.Mohan (1 Reply)
Discussion started by: mohan_xunil
8. Shell Programming and Scripting
I've got a file that will have multiple columns. In one column there will be a string that is 10 digits in length, but I need to trim the first four zeros to make it 6 characters?
000321 (5 Replies)
Discussion started by: Cailet
9. Shell Programming and Scripting
In a file tht i copied from the web , i am not able to remove the leading white spaces. I tried the below , none of them working . I opened the file through vi to check for the special characters if any , but no such characters found.
Your advice will be greatly appreciated.
sed... (5 Replies)
Discussion started by: panyam
10. Shell Programming and Scripting
I am stuck with a problem here.
Suppose i have a variable which is assigned some string containing special charatcers. for eg:
I have to remove the special characters using Perl. The text is assigned to the variable implicitly.
How to do it? (1 Reply)
Discussion started by: agarwal