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date.sh: clean up & fix date::add_months_to

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Dimitry Ishenko
2023-01-13 17:37:18 -05:00
parent 3c33f6801d
commit 0d339aca92
1 changed files with 9 additions and 12 deletions
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21
src/date.sh
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@@ -67,30 +67,27 @@ date::add_days_to() {
printf "%s" "$new_ts"
}
# @description Add number of months from specified timestamp.
# If number of months not specified then it defaults to 1 month.
# @description Add number of months to the specified timestamp.
#
# @example
# echo "$(date::add_months_to "1594143480")"
# date::add_months_to 1594143480 1
# #Output
# 1596821880
#
# @arg $1 int unix timestamp.
# @arg $2 int number of months (optional).
# @arg $1 int Unix timestamp.
# @arg $2 int Number of months to add.
#
# @exitcode 0 If successful.
# @exitcode 0 If successful.
# @exitcode 1 If unable to generate timestamp.
# @exitcode 2 Function missing arguments.
#
# @stdout timestamp.
# @stdout New timestamp.
date::add_months_to() {
(( $# == 0 )) && return 2
local ts new_ts month
ts="${1}"
month=${2:-1}
new_ts="$(date -d "$(date -d "@${ts}" '+%F %T')+${month} month" +'%s')" || return $?
printf "%s" "${new_ts}"
local ts="$1" new_ts months=$2
new_ts="$(date -d "$(date -d "@$ts" '+%F %T %Z') + $months month" +'%s')" || return
printf "%s" "$new_ts"
}
# @description Add number of years from specified timestamp.