When running the written shell script, the error prompt $'\ \ R': command not found appears
The reason for the error is that when we operate in Windows system, the newline character in the editor is \\\\\\\\\\\\\\\\\
There are two ways to deal with it
1. VI command to enter the file to be edited, press ESC key to enter the command mode, execute the following command, press enter key, and then save to exit the file
: set ff=unix
2. The second kind
yum -y install dos2unix
dos2nuix install.sh
The above install. SH is the script you wrote. Use dos2nuix to process the files
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