Subject: Re: [ksh93-integration-discuss] [Bug 399] New: "alias.sh" may execute the wrong command --------
> > ... if PATH is /usr/xpg4/bin:/usr/bin, a "ls" builtin is bound to > > /usr/bin/ls > > and the script should execute the "ls" builtin it will execute > > /usr/xpg4/bin/ls > > instead of the builtin command because /usr/xpg4/bin comes before /usr/bin > > in > > PATH. > > > > I must be missing something. If ls is a builtin for /usr/bin/ls but /usr/xpg4/bin comes before /usr/bin in PATH, then ls should run /usr/xpg4/bin/ls, not the built-in version of /usr/bin/ls. That is the whole point of binding a builtin to a path name rather than just making ls a builtin. David Korn dgk at research.att.com
