Miles Bader <miles@xxxxxxx> writes: > Eygene Ryabinkin <rea-git@xxxxxxxxxxx> writes: >>> The comment "... holds only for a shell where [ is a builtin" doesn't >>> make any sense to me >> >> The 'while case ...' construct does not invoke any external commands. >> The 'while test ...' too, but only when 'test' is builtin. When >> 'test' is the external binary you get one additional fork/exec per >> each cycle. > > In practice that's not an issue though -- every reasonable shell has > test as a builtin these days, so the "works when test is not a builtin" > criteria is really important only for robustness. Since the external test is pretty standardized, "works when test is one of various builtins" is actually more important for robustness... -- David Kastrup - To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
