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288 lines
6.5 KiB
Groff
288 lines
6.5 KiB
Groff
.TH "WIMENU" 1 "Oct, 2009" "wmii-@VERSION@"
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.SH NAME
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.P
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wimenu \- The wmii menu program
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.SH SYNOPSIS
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.P
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wimenu \fI[\-i]\fR \fI[\-h \fI<history file>\fR]\fR \fI[\-n \fI<history count>\fR]\fR \fI[\-p \fI<prompt>\fR]\fR
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.P
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wimenu \-v
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.SH DESCRIPTION
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.P
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\fBwimenu\fR is \fBwmii\fR's standard menu program. It's used
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extensively by \fBwmii\fR and related programs to prompt the user
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for input. The standard configuration uses it to launch
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programs, select views, and perform standard actions. It
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supports basic item completion and history searching.
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.SH BASIC ARGUMENTS
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.P
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Normal use of \fBwimenu\fR shouldn't require any arguments other than the
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following. More advanced options are documented below.
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.TP
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\-h \fI<history file>\fR
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Causes \fBwimenu\fR to read its command history from
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\fI<history file>\fR and to append its result to that file if
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\fI\-n\fR is given.
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.TP
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\-i
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Causes matching of completion items to be performed in a
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case insensitive manner.
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.TP
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\-n \fI<count>\fR
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Write at most \fI<count>\fR items back to the history file.
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The file is never modified unless this option is
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provided. Duplicates are filtered out within a 20 item
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sliding window before this limit is imposed.
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.TP
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\-p \fI<prompt>\fR
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The string \fI<prompt>\fR will be show before the input field
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when the menu is opened.
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.TP
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\-r \fI<rows>\fR
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Display completion items as a vertical list, one per
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row, rather than a horizontal list, side\-by\-side. A
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maximum of \fI<rows>\fR rows will be displayed.
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.SH ADVANCED ARGUMENTS
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.TP
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\-a
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The address at which to connect to \fBwmii\fR.
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.TP
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\-K
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Prevents \fBwimenu\fR from initializing its default key
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bindings. WARNING: If you do this, be sure to bind a key
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with the Accept or Reject action, or you will have no way
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to exit \fBwimenu\fR.
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.TP
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\-k \fI<key file>\fR
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Key bindings will be read from \fI<key file>\fR. Bindings
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appear as:
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\fI<key>\fR \fI[action]\fR \fI[args]\fR
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where \fI<key>\fR is a key name, similar to the format used by
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wmii. For action and args, please refer to the default
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bindings, provided in the source distribution under
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cmd/menu/keys.txt, or use strings(1) on the \fBwimenu\fR
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executable (this level of customization is reserved for the
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determined).
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.TP
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\-s \fI<screen>\fR
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Suggests that the menu open on Xinerama screen \fI<screen>\fR.
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.TP
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\-S \fI<command separator>\fR
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.RS
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Causes each input item to be split at the first occurance of
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\fI<command sep>\fR. The text to the left of the separator is displayed
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as a menu option, and the text to the right is displayed when a
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selection is made.
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.RE
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.SH KEY BINDINGS
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.P
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\fBwimenu\fR's default key bindings are based largely on the
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movement keys of vi and the standard UNIX shell input bindings.
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.TP
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Return, C\-j, C\-m
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Accept the input, and select the first matching
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completion if the cursor is at the end of the input.
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.TP
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S\-Return, C\-S\-j, C\-S\-m
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Accept the input literally.
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.TP
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Esc, C\-[
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Quit without returning any output, and exit with
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non\-zero status.
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.TP
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A\-p
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Paste the PRIMARY selection.
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.TP
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Left, C\-b
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Move backward one character.
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.TP
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Right, C\-f
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Move forward one character.
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.TP
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A\-b
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Move backward one word.
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.TP
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A\-f
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Move forward one word.
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.TP
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C\-a
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Move to the begining of the line.
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.TP
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C\-e
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Move to the end of the line.
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.TP
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C\-p, up
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Move backward through the input history.
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.TP
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C\-n, up
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Move forward through the input history.
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.TP
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Backspace, C\-h
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Delete the previous character.
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.TP
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C\-Backspace, C\-w
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Delete the previous word.
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.TP
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C\-u
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Delete the previous portion of the line.
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.TP
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Tab, C\-i¸ A\-l
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Select the next completion.
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.TP
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S\-Tab, C\-S\-i, A\-h
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Select the previous completion.
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.TP
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PageUp, A\-k
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Select the previous completion page.
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.TP
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PageDown, A\-j
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Select the next completion page.
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.TP
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Home, A\-g
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Select the first completion page.
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.TP
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End, A\-S\-g
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Select the last completion page.
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.SH CUSTOM COMPLETION
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.P
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Custom, multipart completion data may be proveded by an
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external application. When the standard input is not a TTY,
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processing of a set of completions stops at every blank line.
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After the first new line or EOF, \fBwimenu\fR displays the first
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set of menu items, and waits for further input. The completion
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items may be replaced by writing out a new set, again followed
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by a new line. Every set following the first must begin with a
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line containing a single decimal number specifying where the
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new completion results are to be spliced into the input. When
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an item is selected, text from this position to the position
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of the caret is replaced.
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.SS ARGUMENTS
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.TP
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\-c
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Prints the contents of the input buffer each time the
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user inputs a character, as such:
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\fI<text before caret>\fR\en\fI<text after caret>\fR\en
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.SS EXAMPLE
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.P
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Let's assume that a script would like to provide a menu with
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completions first for a command name, then for arguments
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to that command. Given three commands and argument sets,
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.TP
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foo
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.RS
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1, 2, 3
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.RE
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.TP
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bar
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.RS
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4, 5, 6
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.RE
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.TP
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baz
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.RS
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7, 8, 9
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.RE
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.P
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the following script provides the appropriate completions:
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.nf
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#!/bin/sh -f
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rm fifo
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mkfifo fifo
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# Open wimenu with a fifo as its stdin
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wimenu -c <fifo | awk '
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BEGIN {
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# Define the completion results
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cmds = "foo\enbar\enbaz\en"
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cmd\fI["foo"]\fR = "1\en2\en3\en"
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cmd\fI["bar"]\fR = "4\en5\en6\en"
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cmd\fI["baz"]\fR = "7\en8\en9\en"
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# Print the first set of completions to wimenu’s fifo
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fifo = "fifo"
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print cmds >fifo; fflush(fifo)
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}
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{ print; fflush() }
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# Push out a new set of completions
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function update(str, opts) {
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print length(str) >fifo # Print the length of the preceding string
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print opts >fifo # and the options themself
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fflush(fifo)
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}
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# Ensure correct argument count with trailing spaces
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/ $/ { $0 = $0 "#"; }
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{ # Process the input and provide the completions
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if (NF == 1)
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update("", cmds) # The first arg, command choices
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else
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update($1 " ", cmd\fI[$1]\fR) # The second arg, command arguments
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# Skip the trailing part of the command
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getline rest
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}
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\&' | tail -1
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.fi
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.P
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In theory, this facility can be used for myriad purposes,
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including hijacking the programmable completion facilities of
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most shells. See also the provided examples\fI[1]\fR.
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.SH ENVIRONMENT
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.TP
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\fB$WMII_ADDRESS\fR
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The address at which to connect to wmii.
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.TP
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\fB$NAMESPACE\fR
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The namespace directory to use if no address is
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provided.
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.SH SEE ALSO
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.P
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wmii(1), wmiir(1), wistrug(1), wmii9menu(1), dmenu(1)
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.P
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\fI[1]\fR http://www.suckless.org/wiki/wmii/tips/9p_tips
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.P
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\fI[2]\fR @EXAMPLES@
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.\" man code generated by txt2tags 2.5 (http://txt2tags.sf.net)
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.\" cmdline: txt2tags -o- wimenu.man1
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