Shell command to strip out ^M characters from text

问题:

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Closed 7 years ago.

Possible Duplicate:
Remove carriage return in Unix

I am reading some data generated by an external third party. I have noticed that the ASCII text in the file is interspersed with ^M characters, which I believe is character 13 in ASCII and represents a carriage return without linefeed.

Is there a one liner I can use to strip the ^M characters from the file?

I am running on Linux (Ubuntu).

回答1:

You can use sed like this:

sed -i.bak 's/^M$//' infile.txt

To type ^M, you need to type CTRL-V and then CTRL-M.

回答2:

OR

dos2unix infile.txt file2.txt ....

OR

man dos2unix 

for more details.