Re: gawk 5.1.1 testsuite failures

[Miguel Pineiro Jr.]

Hi, Arnold.

 A suggestion for eliminating the (recently disabled) race in iolint.awk:

Since the test doesn't use --posix, it can use ENVIRON[] to pass to a child a 
string to eval. This makes it easy to execute different, simple commands 
without modifying the redirection expression.

The `read` in the second pipeline prevents the race.

BEGIN {
        LINT = 1

        # `%.*s' used for input pipe and output pipe
        pipecmd = "eval $CMD_TO_RUN"

        ENVIRON["CMD_TO_RUN"] = "echo hello"
        pipecmd | getline junk 
        ENVIRON["CMD_TO_RUN"] = "read junk"
        print "hello" | pipecmd

        print close(pipecmd)
        print close(pipecmd)
        fflush()
}

Take care,
Miguel