pick - Select one entry from stdin and/or argv

Pick will take stdin and all command line arguments and display a
ksh-like selection menu will all input lines/arguments.

pick

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+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Scalar::Util qw{looks_like_number};
+
+my @choices;
+
+for (@ARGV) {
+  if (/^--$/) {
+    push(@choices, <STDIN>);
+  } elsif (/^@(.+)$/) {
+    open(my $fh, '<', $1);
+    push(@choices, <$fh>);
+    close($fh);
+  } else {
+    push(@choices, "$_\n");
+  }
+}
+
+open(my $tty, '<', '/dev/tty');
+
+my $sel;
+until (looks_like_number($sel) && $sel > 0 && $sel <= @choices) {
+  while (my ($i, $c) = each @choices) {
+    print $i+1 . ') ' . $choices[$i];
+  }
+  print $ENV{'PS3'} || '#? ';
+  exit(1) unless defined($sel = <$tty>);
+}
+
+close($tty);
+
+print $choices[$sel - 1];

pick.1

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+.Dd Sep 13, 2023
+.Dt TS 1
+.Os
+.Sh NAME
+.Nm pick
+.Nd Choose interactively from the set of arguments and input lines
+.Sh SYNOPSIS
+.Nm
+.Ar arg ...
+.Sh DESCRIPTION
+.Nm
+will display a Korn shell style selection menu with stdin contents and
+arguments as options.
+.Pp
+When a selection is made, the command will print its value to stdout.
+If the selection is aborted, nothing will be printed.
+.Sh ENVIRONMENT
+.Bl -tag -width PS3
+.It Ev PS3
+Prompt string displayed to the user (default: #?).
+.El
+.Sh EXIT STATUS
+.Ex -std
+.Sh AUTHORS
+.An Adolfo Perez Alvarez Aq Mt adolfopa@sdf.org