Em (02:25:11), Andreas Schwab escreveu:
>Herculano Einloft writes: > >> Hey all, >> >> $ if $(echo string >/dev/null); then echo true; fi >> true >> >> This should be a syntax error > >No, it is a perfectly valid command, syntactically. That the command >substitution expands to nothing has no significance any more once the >command is parsed, just like shell meta characters resulting from >expansions are taken literally. > >Andreas. > Anyway, I see your point. It can't be a syntax error, since of course it parses correctly. It's kind of a weird case though, but I guess that's it. Thanks all
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