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Issue with sed command does not replace exact string matched

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Top Forums Shell Programming and Scripting Issue with sed command does not replace exact string matched
# 8  
Old 07-12-2018
Quote:
Originally Posted by Corona688
Remove the 'single quotes'
Error is gone but it Did not help. Nothing got replaced when I was expecting the first (..its 190.169.11.15 c..) and third (.. >190.169.11.15< ...) occurrences of 190.169.11.15 to get replaced and only the second one (... 190.169.11.155 ...)should have been ignored.

more proxy.log
Quote:
including its 190.169.11.15 configuration, runtime artifacts 190.169.11.155 such as >190.169.11.15< lock databases.
more change.sed
Quote:
s=\(^\| \)190.169.11.15\($\| \)=\110.4.112.240\2=g
command: sed -f change.sed proxy.log
Last edited by mohtashims; 07-12-2018 at 01:51 PM..
# 9  
Old 07-12-2018
That it worked partially is very strange. Show the input you had, the output you were expecting, the output you got, and the exact code and regex file you used.
# 10  
Old 07-12-2018
Hammer & Screwdriver
Quote:
Originally Posted by Corona688
That it worked partially is very strange. Show the input you had, the output you were expecting, the output you got, and the exact code and regex file you used.
Input or original file proxy.log
Quote:
including its 190.169.11.15 configuration, runtime artifacts 190.169.11.155 such as >190.169.11.15< lock databases.
Expected output:
Quote:
including its 10.4.112.240 configuration, runtime artifacts 190.169.11.155 such as >10.4.112.240< lock databases.
as you can see only 2/3 string "190.169.11.15" should be replaced.

The one which should not get replaced is 190.169.11.155 because it is followed by / preceded by a numeric digit(see red bold)

Current i am getting the below output:
Quote:
including its 190.169.11.15 configuration, runtime artifacts 190.169.11.155 such as >190.169.11.15< lock databases.
As you can see nothing got replaced Smilie

more change.sed
Code:
s=\(^\| \)190.169.11.15\($\| \)=\110.4.112.240\2=g

My command is sed -f change.sed proxy.log
# 11  
Old 07-12-2018
Ah, I think I see:

I specified "beginning of line or space", not "beginning of line, space, or >". I can specify "beginning of line or non-numeric", "end of line or non-numeric" instead.

How about:

Code:
s=\(^\|[^0-9]\)190.169.11.15\($\|[^0-9]\)=\110.4.112.240\2=g

# 12  
Old 07-12-2018
Quote:
Originally Posted by Corona688
Ah, I think I see:

I specified "beginning of line or space", not "beginning of line, space, or >". I can specify "beginning of line or non-numeric", "end of line or non-numeric" instead.

How about:

Code:
s=\(^\|[^0-9]\)190.169.11.15\($\|[^0-9]\)=\110.4.112.240\2=g

This also does not work. It does not replace anything. See output:
Code:
echo " logs for the >190.169.11.15< instances on various nodes. If there 190.169.11.1555 are no instan" | sed 's=\(^\|[^0-9]\)190.169.11.15\($\|[^0-9]\)=\110.4.112.240\2=g'
 logs for the >190.169.11.15< instances on various nodes. If there 190.169.11.1555 are no instan

# 13  
Old 07-12-2018
Moderator's Comments:
Mod Comment Posting "Does not work" without explanation does not help you or anyone. If a command does not work for you, please show the exact circumstances you used it, and the exact error or malfunction you received. Do not paraphrase errors, or post the text as links, images, or attachments if you can avoid it: Paste the exact message, in code tags, like [code] text [/code] or by selecting the text and using the Image button.

Thank you.

The UNIX and Linux Forums


You have sneak-edited in more details now but it should have had them in the first place.

It works perfectly with the input you gave me, I get
Code:
including its 10.4.112.240 configuration, runtime artifacts 190.169.11.155 such as >10.4.112.240< lock databases.

Show exactly how you used it down to the last keystroke.
# 14  
Old 07-12-2018
Hammer & Screwdriver
Quote:
Originally Posted by Corona688
Moderator's Comments:
Mod Comment Posting "Does not work" without explanation does not help you or anyone. If a command does not work for you, please show the exact circumstances you used it, and the exact error or malfunction you received. Do not paraphrase errors, or post the text as links, images, or attachments if you can avoid it: Paste the exact message, in code tags, like [code] text [/code] or by selecting the text and using the Image button.

Thank you.

The UNIX and Linux Forums


You have sneak-edited in more details now but it should have had them in the first place.

It works perfectly with the input you gave me, I get
Code:
including its 10.4.112.240 configuration, runtime artifacts 190.169.11.155 such as >10.4.112.240< lock databases.

Show exactly how you used it down to the last keystroke.
I am sharing the snapshot so there is no doubt
Image
Image
CLICK HERE to see SNAPSHOT
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