replace deprecated egrep with grep -E #7
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egrepis the same asgrep -Ebut direct invocation asegrepis deprecated and is only provided to allow historical applications that rely on it to run unmodified. This change modifies 8 files to usegrep -Einstead by replacing all instances ofegrepwithgrep -E. I don't believe this commit will cause any problems but I'll admit I haven't tested it. It should reduce the number of warning messages.