Added manpage

ask.1

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+.\" Manpage for ask.
+.\" Contact bruce@bruce-hill.com to correct errors or typos.
+.TH man 8 "4 June 2019" "1.0" "bb manual page"
+.SH NAME
+ask \- A tiny command line tool for getting user input
+.SH SYNOPSIS
+.B ask
+[\fI-hpqv\fR]
+[\fI--initial=initial\fR]
+[\fIprompt \fR
+[\fIinitial\fR
+[\fIoptions...\fR]]]
+.SH DESCRIPTION
+\fBask\fR is a tiny console application that displays a prompt, gets user input
+(with line editing and fuzzy finding functionality), and prints the result to
+standard output
+.SH OPTIONS
+.B \-q
+.B \--quickpick
+When used with fuzzy finding, as soon as exactly one match is found, exit and
+print it.
+
+.B \-p
+.B \--password
+Use password mode, which does not print user input as it's being typed.
+
+.B \-v
+.B \--version
+Print \fBask\fR's version and exit.
+
+.B \-h
+.B \--help
+Print ask's usage and exit.
+
+.B \--initial=initial
+If given, pre-populate the user input with this value.
+
+.B prompt
+If provided, display the given prompt in bold. (Default: "> ")
+
+.B options...
+If additional command line arguments are provided, or if any input is piped in,
+\fBask\fR will operate in fuzzy finding mode, attempting to pick one of the
+given options.
+
+.SH EXAMPLES
+.TP
+.B
+foo="`ask 'What is foo? '`"
+Store user input in a variable. (Equivalent of \fBread -p 'What is foo? ' foo\fR)
+
+.TP
+.B
+rm "`ls | ask 'Delete file: '`"
+Fuzzy find a file. (Equivalent of \fBrm "`ls | fzf --prompt='Delete file: '`"\fR)
+
+.TP
+.B
+if test "`ask -q 'Do thing? [Y/n] ' '' Y N`" != N; then dothing; fi
+Ask user for confirmation (default: yes).
+
+.TP
+.B
+if test "`ask -q 'Do thing? [y/N] ' '' Y N`" = Y; then dothing; fi
+Ask user for confirmation (default: no).
+
+.SH AUTHOR
+Bruce Hill (bruce@bruce-hill.com)