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Annotation of src/usr.bin/which/which.1, Revision 1.10

1.10    ! alex        1: .\"    $OpenBSD: which.1,v 1.9 1999/05/12 13:26:52 aaron Exp $
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1.4       millert    35: .Dd February 21, 1997
1.1       deraadt    36: .Dt WHICH 1
1.4       millert    37: .Os
1.1       deraadt    38: .Sh NAME
                     39: .Nm which
1.4       millert    40: .Nd "locate a program file (or files) in the path"
1.1       deraadt    41: .Sh SYNOPSIS
                     42: .Nm which
1.6       millert    43: .Op Fl a
1.8       aaron      44: .Ar name Op Ar ...
1.1       deraadt    45: .Sh DESCRIPTION
1.8       aaron      46: .Nm which
1.1       deraadt    47: takes a list of names and looks for the files which would be
                     48: executed had these names been given as commands.
1.4       millert    49: Each argument is searched for along the user's path.
1.6       millert    50: .Pp
                     51: If the
                     52: .Fl a
                     53: flag is given,
                     54: .Nm
                     55: will return a list of all matches instead of just the first match.
1.4       millert    56: .Sh RETURN VALUES
1.3       niklas     57: The
1.4       millert    58: .Nm
1.3       niklas     59: utility exits with one of the following values:
                     60: .Bl -tag -width 4n
                     61: .It 0
1.8       aaron      62: All names were successfully resolved.
1.3       niklas     63: .It 1
1.8       aaron      64: Some names were resolved but not all.
1.3       niklas     65: .It 2
1.8       aaron      66: No names were resolved.
1.4       millert    67: .It -1
                     68: A system error occurred.
1.3       niklas     69: .El
1.4       millert    70: .Sh DIAGNOSTICS
                     71: A diagnostic is given if an executable file with the argument
                     72: name was not found in the path.
1.7       deraadt    73: .Sh ENVIRONMENT
1.4       millert    74: .Bl -tag -width PATH
                     75: .It Ev PATH
                     76: .Nm
                     77: uses the environment variable
                     78: .Ev PATH
                     79: as a colon-separated list of directories in which to find executables.
                     80: If
                     81: .Ev PATH
1.9       aaron      82: is not set, and the given name is not a fully qualified
1.4       millert    83: or relative pathname,
                     84: .Nm
                     85: will fail.
1.1       deraadt    86: .El
1.4       millert    87: .Sh CAVEATS
                     88: The
                     89: .Nm
                     90: command formerly was a
                     91: .Xr csh 1
                     92: script and could expand aliases.
                     93: .Xr csh 1
                     94: now has a built-in
                     95: .Nm
1.10    ! alex       96: command so this version is intended for use
1.4       millert    97: with other shells like
                     98: .Xr sh 1 .
                     99: .Sh SEE ALSO
1.1       deraadt   100: .Xr csh 1 ,
1.4       millert   101: .Xr sh 1 ,
1.5       millert   102: .Xr whereis 1 ,
1.4       millert   103: .Xr environ 7
1.1       deraadt   104: .Sh HISTORY
1.4       millert   105: A
1.1       deraadt   106: .Nm
                    107: command appeared in
                    108: .Bx 3.0 .