在 2013/3/16 3:31, peter sands 写道:

Hello,

I have a text file where I need to get rid of a repeating control character, I have tried sed and tr but not getting the results I expect.
The text file is as an example:

^M
text here
text here
^M^M
text here
text here
^M

I need to remove the repeating character of ^M so I have:

^M
text here
text here
^M
text here
text here
^M

Any idea's please
PS

USE sed command , find and replace: sed -n ':a;N;$!ba;s/\n\r\r\n/\n/g' filename

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On 21.02.2023 02:35, spender wrote:

在 2013/3/16 3:31, peter sands 写道:

^^^^^^^^^^^

Hello,

I have a text file where I need to get rid of a repeating control
character, I have tried sed and tr but not getting the results I expect.
The text file is as an example:
[...]

USE sed command , find and replace: sed -n ':a;N;$!ba;s/\n\r\r\n/\n/g' filename

After these 10 years that passed since his post I suppose that peter
sands could have even carved the duplicate control characters out of
marble using a chisel instead of sed.

Janis

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