\r character in shell script

Question

I get the below error while trying to execute a shell script,

$\'\\r\': command not found: line 2:

Please suggest a solution for the same.

Answer 1

I got a different error message when running your script under /bin/sh, but when I switched to /bin/bash, it worked fine:

$ cat foo.sh
#!/bin/sh
if [[ $# -lt 1 ]];
    then echo "ERROR Environment argument missing"
    RC=50
    exit $RC
fi
$ sh foo.sh
foo.sh: 6: [[: not found
$ bash foo.sh
ERROR Environment argument missing

You've built in a bashism. This may or may not be a big deal for your organization. If you want to keep using bash-specific features, change the shebang line to #!/bin/bash and see if that helps.