-eq is
for integer comparisons. Use = instead.[[ $foo -eq "Y" ]][[ $foo = "Y" ]]Shells have two sets of comparison operators: for integers
(-eq, -gt, ...) and strings (=,
>, ...). ShellCheck has noticed that you're using an
integer comparison with string data.
If you are in fact comparing integers, double check your parameters.
Certain mistakes like $$foo or ${bar}} can
introduce non-numeric characters into otherwise numeric arguments.
None.
ShellCheck is a static analysis tool for shell scripts. This page is part of its documentation.