how to delete ^M

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Top Forums UNIX for Advanced & Expert Users how to delete ^M
# 1  
Old 11-29-2007
how to delete ^M

I have a file copied from Windows in which there are many ^M, how can I delete them in VI editor ?
Many thanks.
# 2  
Old 11-29-2007
dos2unix <filename>

# 3  
Old 11-29-2007
thank you, but how in VI editor ?
# 4  
Old 11-29-2007
when in vi:

Note: you can get "^M" pressing CTRL+V and next CTRL+M
# 5  
Old 11-29-2007
many thanks.
# 6  
Old 11-29-2007
cat filename |col -b > newfile works as well
# 7  
Old 12-02-2007

should work too.

I find it easier to just keep a couple shell aliases around
alias unix2dos="perl -i -pe 's/\r//g'"
alias dos2unix="perl -i -pe 's/\n/\r\n/'"

Hope this helps!
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