mirror of
https://github.com/natelandau/shell-scripting-templates.git
synced 2025-11-08 13:13:47 -05:00
396 lines
18 KiB
Bash
396 lines
18 KiB
Bash
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_monthToNumber_() {
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# DESC: Convert a month name to a number
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# ARGS: None
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# OUTS: Prints the number of the month to stdout
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# USAGE: _monthToNumber_ "January"
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local mon="$(echo "$1" | tr '[:upper:]' '[:lower:]')"
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case "$mon" in
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january | jan | ja) echo 1 ;;
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february | feb | fe) echo 2 ;;
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march | mar | ma) echo 3 ;;
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april | apr | ap) echo 4 ;;
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may) echo 5 ;;
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june | jun | ju) echo 6 ;;
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july | jul) echo 7 ;;
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august | aug | au) echo 8 ;;
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september | sep | se) echo 9 ;;
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october | oct) echo 10 ;;
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november | nov | no) echo 11 ;;
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december | dec | de) echo 12 ;;
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*)
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warning "month_monthToNumber_: Bad monthname: $1"
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return 1
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;;
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esac
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}
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_numberToMonth_() {
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# DESC: Convert a month number to its name
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# ARGS: None
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# OUTS: Prints the name of the month to stdout
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# USAGE: _numberToMonth_ 1
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local mon="$1"
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case "$mon" in
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1 | 01) echo January ;;
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2 | 02) echo February ;;
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3 | 03) echo March ;;
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4 | 04) echo April ;;
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5 | 05) echo May ;;
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6 | 06) echo June ;;
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7 | 07) echo July ;;
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8 | 08) echo August ;;
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9 | 09) echo September ;;
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10) echo October ;;
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11) echo November ;;
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12) echo December ;;
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*)
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warning "_numberToMonth_: Bad month number: $1"
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return 1
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;;
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esac
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}
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_parseDate_() {
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# DESC: Takes a string as input and attempts to find a date within it
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# to parse into component parts (day, month, year)
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# ARGS: $1 (required) - A string
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# OUTS: Returns error if no date found
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# $_parseDate_found - The date found in the string
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# $_parseDate_year - The year
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# $_parseDate_month - The number month
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# $_parseDate_monthName - The name of the month
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# $_parseDate_day - The day
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# $_parseDate_hour - The hour (if avail)
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# $_parseDate_minute - The minute (if avail)
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# USAGE: if _parseDate_ "[STRING]"; then ...
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# NOTE: This function only recognizes dates from the year 2000 to 2029
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# NOTE: Will recognize dates in the following formats separated by '-_ ./'
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# * YYYY-MM-DD * Month DD, YYYY * DD Month, YYYY
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# * Month, YYYY * Month, DD YY * MM-DD-YYYY
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# * MMDDYYYY * YYYYMMDD * DDMMYYYY
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# * YYYYMMDDHHMM * YYYYMMDDHH * DD-MM-YYYY
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# * DD MM YY * MM DD YY
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# TODO: Impelemt the following date formats
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# * MMDDYY * YYMMDD * mon-DD-YY
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# TODO: Simplify and reduce the number of regex checks
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[[ $# -eq 0 ]] && {
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error 'Missing required argument to _parseDate_()!'
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return 1
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}
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local date="${1:-$(date +%F)}"
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_parseDate_found="" _parseDate_year="" _parseDate_month="" _parseDate_monthName=""
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_parseDate_day="" _parseDate_hour="" _parseDate_minute=""
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shopt -s nocasematch #Use case-insensitive regex
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debug "_parseDate_() input ${tan}$date${purple}"
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# YYYY MM DD or YYYY-MM-DD
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pat="(.*[^0-9]|^)((20[0-2][0-9])[-\.\/_ ]+([0-9]{1,2})[-\.\/_ ]+([0-9]{1,2}))([^0-9].*|$)"
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if [[ ${date} =~ $pat ]]; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year=$((10#${BASH_REMATCH[3]}))
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_parseDate_month=$((10#${BASH_REMATCH[4]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[5]}))
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debug "regex match: ${tan}YYYY-MM-DD${purple}"
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# Month DD, YYYY
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elif [[ ${date} =~ ((january|jan|ja|february|feb|fe|march|mar|ma|april|apr|ap|may|june|jun|july|jul|ju|august|aug|september|sep|october|oct|november|nov|december|dec)[-\./_ ]+([0-9]{1,2})(nd|rd|th|st)?,?[-\./_ ]+(20[0-2][0-9]))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[1]:-}"
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_parseDate_month=$(_monthToNumber_ ${BASH_REMATCH[2]:-})
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month:-}")"
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_parseDate_day=$((10#${BASH_REMATCH[3]:-}))
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_parseDate_year=$((10#${BASH_REMATCH[5]:-}))
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debug "regex match: ${tan}Month DD, YYYY${purple}"
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# Month DD, YY
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elif [[ ${date} =~ ((january|jan|ja|february|feb|fe|march|mar|ma|april|apr|ap|may|june|jun|july|jul|ju|august|aug|september|sep|october|oct|november|nov|december|dec)[-\./_ ]+([0-9]{1,2})(nd|rd|th|st)?,?[-\./_ ]+([0-9]{2}))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[1]}"
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_parseDate_month=$(_monthToNumber_ ${BASH_REMATCH[2]})
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[3]}))
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_parseDate_year="20$((10#${BASH_REMATCH[5]}))"
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debug "regex match: ${tan}Month DD, YY${purple}"
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# DD Month YYYY
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elif [[ ${date} =~ (.*[^0-9]|^)(([0-9]{2})[-\./_ ]+(january|jan|ja|february|feb|fe|march|mar|ma|april|apr|ap|may|june|jun|july|jul|ju|august|aug|september|sep|october|oct|november|nov|december|dec),?[-\./_ ]+(20[0-2][0-9]))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day=$((10#"${BASH_REMATCH[3]}"))
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_parseDate_month="$(_monthToNumber_ "${BASH_REMATCH[4]}")"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year=$((10#"${BASH_REMATCH[5]}"))
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debug "regex match: ${tan}DD Month, YYYY${purple}"
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# MM-DD-YYYY or DD-MM-YYYY
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elif [[ ${date} =~ (.*[^0-9]|^)(([0-9]{1,2})[-\.\/_ ]+([0-9]{1,2})[-\.\/_ ]+(20[0-2][0-9]))([^0-9].*|$) ]]; then
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if [[ $((10#${BASH_REMATCH[3]})) -lt 13 &&
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$((10#${BASH_REMATCH[4]})) -gt 12 &&
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$((10#${BASH_REMATCH[4]})) -lt 32 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year=$((10#${BASH_REMATCH[5]}))
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_parseDate_month=$((10#${BASH_REMATCH[3]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[4]}))
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debug "regex match: ${tan}MM-DD-YYYY${purple}"
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elif [[ $((10#${BASH_REMATCH[3]})) -gt 12 &&
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$((10#${BASH_REMATCH[3]})) -lt 32 &&
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$((10#${BASH_REMATCH[4]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year=$((10#${BASH_REMATCH[5]}))
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_parseDate_month=$((10#${BASH_REMATCH[4]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[3]}))
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debug "regex match: ${tan}DD-MM-YYYY${purple}"
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elif [[ $((10#${BASH_REMATCH[3]})) -lt 32 &&
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$((10#${BASH_REMATCH[4]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year=$((10#${BASH_REMATCH[5]}))
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_parseDate_month=$((10#${BASH_REMATCH[3]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[4]}))
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debug "regex match: ${tan}MM-DD-YYYY${purple}"
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else
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shopt -u nocasematch
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return 1
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fi
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elif [[ ${date} =~ (.*[^0-9]|^)(([0-9]{1,2})[-\.\/_ ]+([0-9]{1,2})[-\.\/_ ]+([0-9]{2}))([^0-9].*|$) ]]; then
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if [[ $((10#${BASH_REMATCH[3]})) -lt 13 &&
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$((10#${BASH_REMATCH[4]})) -gt 12 &&
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$((10#${BASH_REMATCH[4]})) -lt 32 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year="20$((10#${BASH_REMATCH[5]}))"
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_parseDate_month=$((10#${BASH_REMATCH[3]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[4]}))
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debug "regex match: ${tan}MM-DD-YYYY${purple}"
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elif [[ $((10#${BASH_REMATCH[3]})) -gt 12 &&
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$((10#${BASH_REMATCH[3]})) -lt 32 &&
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$((10#${BASH_REMATCH[4]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year="20$((10#${BASH_REMATCH[5]}))"
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_parseDate_month=$((10#${BASH_REMATCH[4]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[3]}))
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debug "regex match: ${tan}DD-MM-YYYY${purple}"
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elif [[ $((10#${BASH_REMATCH[3]})) -lt 32 &&
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$((10#${BASH_REMATCH[4]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_year="20$((10#${BASH_REMATCH[5]}))"
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_parseDate_month=$((10#${BASH_REMATCH[3]}))
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_day=$((10#${BASH_REMATCH[4]}))
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debug "regex match: ${tan}MM-DD-YYYY${purple}"
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else
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shopt -u nocasematch
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return 1
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fi
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# Month, YYYY
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elif [[ ${date} =~ ((january|jan|ja|february|feb|fe|march|mar|ma|april|apr|ap|may|june|jun|july|jul|ju|august|aug|september|sep|october|oct|november|nov|december|dec),?[-\./_ ]+(20[0-2][0-9]))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[1]}"
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_parseDate_day="1"
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_parseDate_month="$(_monthToNumber_ "${BASH_REMATCH[2]}")"
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_parseDate_monthName="$(_numberToMonth_ $_parseDate_month)"
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_parseDate_year="$((10#${BASH_REMATCH[3]}))"
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debug "regex match: ${tan}Month, YYYY${purple}"
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# YYYYMMDDHHMM
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elif [[ ${date} =~ (.*[^0-9]|^)((20[0-2][0-9])([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2}))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[5]}))"
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_parseDate_month="$((10#${BASH_REMATCH[4]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="$((10#${BASH_REMATCH[3]}))"
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_parseDate_hour="$((10#${BASH_REMATCH[6]}))"
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_parseDate_minute="$((10#${BASH_REMATCH[7]}))"
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debug "regex match: ${tan}YYYYMMDDHHMM${purple}"
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# YYYYMMDDHH 1 2 3 4 5 6
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elif [[ ${date} =~ (.*[^0-9]|^)((20[0-2][0-9])([0-9]{2})([0-9]{2})([0-9]{2}))([^0-9].*|$) ]]; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[5]}))"
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_parseDate_month="$((10#${BASH_REMATCH[4]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="$((10#${BASH_REMATCH[3]}))"
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_parseDate_hour="${BASH_REMATCH[6]}"
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_parseDate_minute="00"
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debug "regex match: ${tan}YYYYMMDDHHMM${purple}"
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# MMDDYYYY or YYYYMMDD or DDMMYYYY
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# 1 2 3 4 5 6
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elif [[ ${date} =~ (.*[^0-9]|^)(([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2}))([^0-9].*|$) ]]; then
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# MMDDYYYY
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if [[ $((10#${BASH_REMATCH[5]})) -eq 20 &&
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$((10#${BASH_REMATCH[3]})) -lt 13 &&
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$((10#${BASH_REMATCH[4]})) -lt 32 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[4]}))"
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_parseDate_month="$((10#${BASH_REMATCH[3]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="${BASH_REMATCH[5]}${BASH_REMATCH[6]}"
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debug "regex match: ${tan}MMDDYYYY${purple}"
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# DDMMYYYY
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elif [[ $((10#${BASH_REMATCH[5]})) -eq 20 &&
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$((10#${BASH_REMATCH[3]})) -gt 12 &&
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$((10#${BASH_REMATCH[3]})) -lt 32 &&
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$((10#${BASH_REMATCH[4]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[3]}))"
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_parseDate_month="$((10#${BASH_REMATCH[4]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="${BASH_REMATCH[5]}${BASH_REMATCH[6]}"
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debug "regex match: ${tan}DDMMYYYY${purple}"
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# YYYYMMDD
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elif [[ $((10#${BASH_REMATCH[3]})) -eq 20 &&
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$((10#${BASH_REMATCH[6]})) -gt 12 &&
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$((10#${BASH_REMATCH[6]})) -lt 32 &&
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$((10#${BASH_REMATCH[5]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[6]}))"
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_parseDate_month="$((10#${BASH_REMATCH[5]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="${BASH_REMATCH[3]}${BASH_REMATCH[4]}"
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debug "regex match: ${tan}YYYYMMDD${purple}"
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# YYYYDDMM
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elif [[ $((10#${BASH_REMATCH[3]})) -eq 20 &&
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$((10#${BASH_REMATCH[5]})) -gt 12 &&
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$((10#${BASH_REMATCH[5]})) -lt 32 &&
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$((10#${BASH_REMATCH[6]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[5]}))"
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_parseDate_month="$((10#${BASH_REMATCH[6]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="${BASH_REMATCH[3]}${BASH_REMATCH[4]}"
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debug "regex match: ${tan}YYYYMMDD${purple}"
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# Assume YYYMMDD
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elif [[ $((10#${BASH_REMATCH[3]})) -eq 20 &&
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$((10#${BASH_REMATCH[6]})) -lt 32 &&
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$((10#${BASH_REMATCH[5]})) -lt 13 ]] \
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; then
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_parseDate_found="${BASH_REMATCH[2]}"
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_parseDate_day="$((10#${BASH_REMATCH[6]}))"
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_parseDate_month="$((10#${BASH_REMATCH[5]}))"
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_parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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_parseDate_year="${BASH_REMATCH[3]}${BASH_REMATCH[4]}"
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debug "regex match: ${tan}YYYYMMDD${purple}"
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else
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shopt -u nocasematch
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return 1
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fi
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# # MMDD or DDYY
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# elif [[ "$date" =~ .*(([0-9]{2})([0-9]{2})).* ]]; then
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# debug "regex match: ${tan}MMDD or DDMM${purple}"
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# _parseDate_found="${BASH_REMATCH[1]}"
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# # Figure out if days are months or vice versa
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# if [[ $(( 10#${BASH_REMATCH[2]} )) -gt 12 \
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# && $(( 10#${BASH_REMATCH[2]} )) -lt 32 \
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# && $(( 10#${BASH_REMATCH[3]} )) -lt 13 \
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# ]]; then
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# _parseDate_day="$(( 10#${BASH_REMATCH[2]} ))"
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# _parseDate_month="$(( 10#${BASH_REMATCH[3]} ))"
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# _parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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# _parseDate_year="$(date +%Y )"
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# elif [[ $(( 10#${BASH_REMATCH[2]} )) -lt 13 \
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# && $(( 10#${BASH_REMATCH[3]} )) -lt 32 \
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# ]]; then
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# _parseDate_day="$(( 10#${BASH_REMATCH[3]} ))"
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# _parseDate_month="$(( 10#${BASH_REMATCH[2]} ))"
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# _parseDate_monthName="$(_numberToMonth_ "${_parseDate_month}")"
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# _parseDate_year="$(date +%Y )"
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# else
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# shopt -u nocasematch
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# return 1
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# fi
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else
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shopt -u nocasematch
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return 1
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fi
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[[ -z ${_parseDate_year:-} ]] && {
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shopt -u nocasematch
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return 1
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}
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((_parseDate_month >= 1 && _parseDate_month <= 12)) || {
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shopt -u nocasematch
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return 1
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}
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((_parseDate_day >= 1 && _parseDate_day <= 31)) || {
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shopt -u nocasematch
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return 1
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}
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debug "${tan}\$_parseDate_found: ${_parseDate_found}${purple}"
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debug "${tan}\$_parseDate_year: ${_parseDate_year}${purple}"
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debug "${tan}\$_parseDate_month: ${_parseDate_month}${purple}"
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debug "${tan}\$_parseDate_monthName: ${_parseDate_monthName}${purple}"
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debug "${tan}\$_parseDate_day: ${_parseDate_day}${purple}"
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[[ -z ${_parseDate_hour:-} ]] || debug "${tan}\$_parseDate_hour: ${_parseDate_hour}${purple}"
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[[ -z ${_parseDate_minute:-} ]] || debug "${tan}\$_parseDate_minute: ${_parseDate_minute}${purple}"
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shopt -u nocasematch
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# Output results for BATS tests
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if [ "${automated_test_in_progress:-}" ]; then
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echo "_parseDate_found: ${_parseDate_found}"
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echo "_parseDate_year: ${_parseDate_year}"
|
|
echo "_parseDate_month: ${_parseDate_month}"
|
|
echo "_parseDate_monthName: ${_parseDate_monthName}"
|
|
echo "_parseDate_day: ${_parseDate_day}"
|
|
echo "_parseDate_hour: ${_parseDate_hour}"
|
|
echo "_parseDate_minute: ${_parseDate_minute}"
|
|
fi
|
|
}
|
|
|
|
_formatDate_() {
|
|
# DESC: Reformats dates into user specified formats
|
|
# ARGS: $1 (Required) - Date to be formatted
|
|
# $2 (Optional) - Format in any format accepted by bash's date command. Examples listed below.
|
|
# %F - YYYY-MM-DD
|
|
# %D - MM/DD/YY
|
|
# %a - Name of weekday in short (like Sun, Mon, Tue, Wed, Thu, Fri, Sat)
|
|
# %A - Name of weekday in full (like Sunday, Monday, Tuesday)
|
|
# '+%m %d, %Y' - 12 27, 2019
|
|
# OUTS: Echo result to STDOUT
|
|
# USAGE: _formatDate_ "Jan 10, 2019" "%D"
|
|
# NOTE: Defaults to YYYY-MM-DD or $(date +%F)
|
|
|
|
[[ $# -eq 0 ]] && {
|
|
error 'Missing required argument to _formatDate_()'
|
|
return 1
|
|
}
|
|
|
|
local d="${1}"
|
|
local format="${2:-%F}"
|
|
format="${format//+/}"
|
|
|
|
if command -v gdate >/dev/null 2>&1; then
|
|
gdate -d "${d}" "+${format}"
|
|
else
|
|
date -d "${d}" "+${format}"
|
|
fi
|
|
}
|