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File name : time_binary

Content :#!/bin/bash -e #--------------------------------------------------------------------- # Script to display a "binary clock" using unicode characters from the # braille block. # # Designed to work with the wonderful byobu(1) but can be run # stand-alone. #--------------------------------------------------------------------- # # Copyright (C) 2011 Canonical Ltd. # # Author: James Hunt <james.hunt@canonical.com> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, version 3 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # #--------------------------------------------------------------------- script_name=${0##*/} # Selected Unicode Braille characters: # # 0x2800, 0x2880, 0x2820, 0x28a0, 0x2810, 0x2890, 0x2830, 0x28b0, 0x2808, 0x2888, # 0x2840, 0x28c0, 0x2860, 0x28e0, 0x2850, 0x28d0, 0x2870, 0x28f0, 0x2848, 0x28c8, # 0x2804, 0x2884, 0x2824, 0x28a4, 0x2814, 0x2894, 0x2834, 0x28b4, 0x280c, 0x288c, # 0x2844, 0x28c4, 0x2864, 0x28e4, 0x2854, 0x28d4, 0x287b, 0x28f4, 0x284c, 0x28cc, # 0x2802, 0x2882, 0x2822, 0x28a2, 0x2812, 0x2892, 0x2832, 0x28b2, 0x280a, 0x288a, # 0x2842, 0x28c2, 0x2862, 0x28e2, 0x2852, 0x28d2, 0x2872, 0x28f2, 0x284a, 0x28ca, # 0x2806, 0x2886 # # Index of this array is 0-61 with character returned being # "two column" binary representation of a time segment. # binary=(⠀ ⢀ ⠠ ⢠ ⠐ ⢐ ⠰ ⢰ ⠈ ⢈ \ ⡀ ⣀ ⡠ ⣠ ⡐ ⣐ ⡰ ⣰ ⡈ ⣈ \ ⠄ ⢄ ⠤ ⢤ ⠔ ⢔ ⠴ ⢴ ⠌ ⢌ \ ⡄ ⣄ ⡤ ⣤ ⡔ ⣔ ⡻ ⣴ ⡌ ⣌ \ ⠂ ⢂ ⠢ ⢢ ⠒ ⢒ ⠲ ⢲ ⠊ ⢊ \ ⡂ ⣂ ⡢ ⣢ ⡒ ⣒ ⡲ ⣲ ⡊ ⣊ ⠆ ⢆) usage() { cat <<EOT Description: A clock that displays the time in binary. Usage: $script_name [options] Options: -b : Display binary clock (default) -h : Show this help. -l : Display leading zeros (hex and octal modes only). -m : Show time in 24-hour military format (default: 12-hour format). -n : Suppress newline at end of time. -o : Display time in octal (base 8). -s <sep> : Specify separator between hours and minutes (and seconds if not disabled). -u : Display alphabetics in upper-case (hex mode only). -x : Disable time in hexadecimal (base 16). -z : Disable display of seconds. EOT } suppress_seconds=n clock_type=binary format=std ending="" uppercase=n leading_zeros=n while getopts "bhlmnos:uxz" opt do case "$opt" in b) clock_type=binary ;; h) usage exit 0 ;; l) leading_zeros=y ;; m) format=mil ;; n) ending= ;; o) clock_type=oct ;; s) sep=$OPTARG ;; u) uppercase=y ;; x) clock_type=hex ;; z) suppress_seconds=y ;; esac done if [ -z "$clock_type" ] then printf "%s\n" "ERROR: must specify clock type" exit 1 fi shift $[$OPTIND-1] # get current time, handling 12-hour or 24-hour if [ $format = std ] then hrs_format=%l else hrs_format=%k fi time=($(date "+${hrs_format} %M %S")) h=$(printf ${time[0]}) m=$(printf ${time[1]}) s=$(printf ${time[2]}) if [ $clock_type = binary ] then [ $suppress_seconds = n ] && seconds="${sep}${binary[10#$s]}" display_time="${binary[10#$h]}${sep}${binary[10#$m]}${seconds}${ending}" else if [ $clock_type = hex ] then conversion=x [ $uppercase = y ] && conversion=X else conversion=o fi precision= [ $leading_zeros = y ] && precision=.2 base_format=%2${precision}${conversion} hh=$(printf "$base_format" $h) hm=$(printf "$base_format" $m) [ "$suppress_seconds" = n ] && hs="${sep}$(printf "$base_format" $s)" display_time="${hh}${sep}${hm}${hs}${ending}" fi color k w printf "%s" "$display_time" color --

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