FreeKB - Bash Shell Scripting carriage returns (\r ^M)
Bash Shell Scripting - carriage returns (\r ^M)

The following two characters are used to represent a carriage return.

\r
^M

 

Let's say foo.txt is transferred from a Windows system to a Linux system. Windows will end each line with a new line (\n) and carriage return (\r). On Linux, lines only end with a new line (\n), thus sometimes you may want or need to remove the carriage return (\r) from each line.

This command will remove the carriage returns (\r).

sed -i 's/\r$//g' foo.txt

 

The same could be done using Perl.



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