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Joshua Root
81 lines
2.4 KiB
Groff
81 lines
2.4 KiB
Groff
'\" t
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.TH "PORT\-ECHO" "1" "2\&.12\&.99" "MacPorts 2\&.12\&.99" "MacPorts Manual"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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port-echo \- Print the list of ports the argument expands to
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.SH "SYNOPSIS"
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.sp
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.nf
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\fBport\fR \fBecho\fR
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[[\fIportname\fR | \fIpseudo\-portname\fR | \fIport\-expressions\fR | \fIport\-url\fR]]
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.fi
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.SH "DESCRIPTION"
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.sp
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\fBport echo\fR expands its argument list according to MacPorts\*(Aq rules and prints a list of ports that match the expression given as argument\&. It can be useful to see what a pseudo\-portname or a pseudo\-portname selector (see \fBport\fR(1)) expands to\&.
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.sp
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If \fBport echo\fR doesn\(cqt recognize an argument as port, it will still print it as\-is\&. You cannot use \fBport echo\fR to check whether a port exists:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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$ port echo nonexistentport
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nonexistentport
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.fi
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.if n \{\
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.RE
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.\}
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.SH "EXAMPLES"
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.sp
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Common use cases are:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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port echo depends:zlib
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port echo inactive
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port echo obsolete
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port echo requested
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port echo leaves
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port echo category:^mail$
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.fi
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.if n \{\
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.RE
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.\}
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.sp
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Note that \fBecho\fR is usually \fInot\fR used to list outdated ports, since a separate action \fBport-outdated\fR(1) exists for that\&. \fBport outdated\fR has the advantage compared to \fBport echo outdated\fR that it gives the reason why MacPorts considers the port outdated\&.
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.SH "SEE ALSO"
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.sp
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\fBport\fR(1), \fBport-outdated\fR(1)
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.SH "AUTHORS"
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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(C) 2014 The MacPorts Project
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Clemens Lang <cal@macports\&.org>
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.fi
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.if n \{\
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.RE
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.\}
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