I wrote script in bash but I have problem when I try run it by terminal. I tried on Ubuntu and Debian.

For example, this is bash script:

#!/bin/bash
clear

when I run it by this commands:

bash name.sh

or

. name.sh

I got that error

bash: $'clear\r: command not found

in my script I have that for every line.

2

1 Answer

"\r" is how bash prints the Carriage Return character. ("^M,0x0B) that some other systems use as part of their End-of-Line marker ("^M^J", Carriage Return, followed by LineFeed). Linux uses only "^J" (LineFeed) at End-of-line.

One way of clearing out the "\r" characters is through dos2unix, in the package of the same name.

Another way is:

tr -d "\r" <name.sh >a.tmp
mv a.tmp name.sh

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