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README.md
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README.md
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# miscutils
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Miscellaneous UNIX utilities.
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## bwrap
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Wrap text received in stdin as if it was a single line. Indicate breaks with the ":" charater at both ends.
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## hppt
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Reformat stdin as a horizontal paper tape.
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## mkgmap
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Generates a simple Gophermap in its standard output, listing all text files in the current directory
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in reverse alphabetical order.
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## newp
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Creates a new ms phlog post. The file name will contain the current date and word separated by dashes.
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## rot
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Visually rotate stdin 90 degrees counter clockwise, swapping rows and columns.
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## rr
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Run a command repeteadly until it fails.
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## scmfmt
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Format stdin to use as a commit message
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## ts
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Runs the shell tests passed as arguments.
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## unpage
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Removes all page headers and footers from stdin, getting as result output that contains a single continuous page.
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## upcasetl
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Takes an ms troff document in stdin, and outputs to its stdout the same document
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with all `.tl` and `.sh` converted to uppercase.
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35
pick
35
pick
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#!/usr/bin/env perl
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use strict;
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use warnings;
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use Scalar::Util qw{looks_like_number};
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my @choices;
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for (@ARGV) {
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if (/^--$/) {
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push(@choices, <STDIN>);
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} elsif (/^@(.+)$/) {
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open(my $fh, '<', $1);
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push(@choices, <$fh>);
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close($fh);
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} else {
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push(@choices, "$_\n");
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}
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}
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open(my $tty, '<', '/dev/tty');
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my $sel;
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until (looks_like_number($sel) && $sel > 0 && $sel <= @choices) {
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while (my ($i, $c) = each @choices) {
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print $i+1 . ') ' . $choices[$i];
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}
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print $ENV{'PS3'} || '#? ';
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exit(1) unless defined($sel = <$tty>);
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}
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close($tty);
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print $choices[$sel - 1];
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pick.1
25
pick.1
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.Dd Sep 13, 2023
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.Dt TS 1
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.Os
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.Sh NAME
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.Nm pick
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.Nd Choose interactively from the set of arguments and input lines
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.Sh SYNOPSIS
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.Nm
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.Ar arg ...
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.Sh DESCRIPTION
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.Nm
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will display a Korn shell style selection menu with stdin contents and
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arguments as options.
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.Pp
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When a selection is made, the command will print its value to stdout.
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If the selection is aborted, nothing will be printed.
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.Sh ENVIRONMENT
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.Bl -tag -width PS3
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.It Ev PS3
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Prompt string displayed to the user (default: #?).
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.El
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.Sh EXIT STATUS
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.Ex -std
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.Sh AUTHORS
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.An Adolfo Perez Alvarez Aq Mt adolfopa@sdf.org
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