76 lines
1.5 KiB
Bash
Executable File
76 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2015 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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exe_name=$(basename $0)
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# outputs the date and time in pre-set formats
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# default format is: 20150114-181112
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# usage: timestamp [-a] [-d] [-u] [-s] [-S]
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# where: -a changes default to: 2015-01-14-18-11-56
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# -d changes default to: 20150114
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# -u changes default to: 20150114_181201
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# -s changes default to: 20150114-1812.04
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# -S changes default to: 20150114-1812
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# Some switches can be mixed and matched, eg. -Sa gives 2015-01-14-18-13
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date_format="%Y%m%d"
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time_format="%H%M"
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seconds_format="%S"
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seconds_separator=""
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date_time_separator="-"
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function usage {
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printf "usage: %s [-a] [-d] [-u] [-s] [-S]\n" $exe_name >&2
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}
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function fail {
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usage
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exit -1
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}
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function get_opts {
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declare -r optstr="adusSh"
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while getopts ${optstr} opt; do
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case ${opt} in
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a) all_separated=1 ;;
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d) date_only=1 ;;
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u) date_time_separator="_" ;;
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s) seconds_separator="." ;;
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S) no_seconds=1 ;;
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h) usage; exit 0 ;;
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*) fail ;;
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esac
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done
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}
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get_opts $@
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if [ x${all_separated} == x1 ]; then
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date_format="%Y-%m-%d"
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time_format="%H-%M"
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seconds_separator="-"
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fi
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if [ x${date_only} == x1 ]; then
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date_time_separator=""
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time_format=""
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seconds_format=""
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seconds_separator=""
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fi
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if [ x${no_seconds} == x1 ]; then
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seconds_format=""
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seconds_separator=""
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fi
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output_date=${date_format}${date_time_separator}
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output_time=${time_format}${seconds_separator}${seconds_format}
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output=$(date +${output_date}${output_time})
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echo ${output}
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