From c40170cb03e41bd1efe775bbd430a50da6cdeea4 Mon Sep 17 00:00:00 2001 From: Joe Date: Thu, 10 Nov 2011 11:31:23 +0000 Subject: First commit, pbot-ng already works. --- lib/time.sh | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 lib/time.sh (limited to 'lib/time.sh') diff --git a/lib/time.sh b/lib/time.sh new file mode 100644 index 0000000..befce82 --- /dev/null +++ b/lib/time.sh @@ -0,0 +1,110 @@ +#!/bin/bash +# -*- coding: utf-8 -*- +########################################################################### +# # +# envbot - an IRC bot in bash # +# Copyright (C) 2007-2008 Arvid Norlander # +# # +# 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, either version 3 of the License, or # +# (at your option) any later version. # +# # +# 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 . # +# # +########################################################################### +#--------------------------------------------------------------------- +## Functions for working with time. +#--------------------------------------------------------------------- + +#--------------------------------------------------------------------- +## Check if a set time has passed +## @Type API +## @param Unix timestamp to check against +## @param Number of seconds +## @return 0 If at least the given number of seconds has passed +## @return 1 If it hasn't +#--------------------------------------------------------------------- +time_check_interval() { + local newtime= + time_get_current 'newtime' + (( ( newtime - $1 ) > $2 )) +} + + +#--------------------------------------------------------------------- +## Get current time (seconds since 1970-01-01 00:00:00 UTC) +## @Type API +## @param Variable to return current timestamp in +#--------------------------------------------------------------------- +time_get_current() { + printf -v "$1" '%s' "$(( time_initial + SECONDS ))" +} + + +#--------------------------------------------------------------------- +## Returns how long a time interval is in a human readable format. +## @Type API +## @param Time interval +## @param Variable to return result in. +## @Note Modified version of function posted by goedel at +## @Note http://forum.bash-hackers.org/index.php?topic=59.0 +#--------------------------------------------------------------------- +time_format_difference() { + local tdiv=$1 + local tmod i + local output="" + + for ((i=0; i < ${#time_format_units[@]}; ++i)); do + # n means no limit. + if [[ ${time_format_unitspan[i]} == n ]]; then + tmod=$tdiv + else + (( tmod = tdiv % time_format_unitspan[i] )) + (( tdiv = tdiv / time_format_unitspan[i] )) + fi + output="$tmod${time_format_units[i]} $output" + [[ $tdiv = 0 ]] && break + done + + printf -v "$2" '%s' "${output% }" +} + +########################################################################### +# Internal functions to core or this file below this line! # +# Module authors: go away # +########################################################################### + +#--------------------------------------------------------------------- +## Array used for time_format_difference +## @Type Private +#--------------------------------------------------------------------- +declare -r time_format_units=( s min h d mon ) +#--------------------------------------------------------------------- +## Array used for time_format_difference +## @Type Private +## @Note n means no limit. +#--------------------------------------------------------------------- +declare -r time_format_unitspan=( 60 60 24 30 n ) + +#--------------------------------------------------------------------- +## Initial timestamp that we use to get current time later on. +## @Type Private +#--------------------------------------------------------------------- +time_initial='' + +#--------------------------------------------------------------------- +## Set up time variables +## @Type Private +#--------------------------------------------------------------------- +time_init() { + # Set up initial env + time_initial="$(date -u +%s)" + SECONDS=0 +} -- cgit v1.2.3-54-g00ecf