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249 lines
6.7 KiB
Markdown
249 lines
6.7 KiB
Markdown
The *list-calendar.ps1* Script
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===========================
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Lists calendar elements, either a single month or an entire year.
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Parameters
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----------
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```powershell
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/home/markus/Repos/PowerShell/scripts/list-calendar.ps1 [[-Month] <Int32>] [[-Year] <Int32>] [<CommonParameters>]
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-Month <Int32>
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If specified, will limit output to a single month with this numeral value.
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Required? false
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Position? 1
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Default value (Get-Date).Month
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Accept pipeline input? false
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Accept wildcard characters? false
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-Year <Int32>
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If specified, will output an entire year.
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Required? false
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Position? 2
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Default value (Get-Date).Year
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./list-calendar
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Lists the calendar for current month.
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```
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Example
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-------
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```powershell
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PS> ./list-calendar 2013
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Lists the calendar for 2013.
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```
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Example
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-------
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```powershell
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PS> ./list-calendar 04 2011
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Lists the calendar for April, 2011.
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```
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Example
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-------
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```powershell
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PS> ./list-calendar 7
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Lists the calendar for July of this year.
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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.SYNOPSIS
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Lists the calendar
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.DESCRIPTION
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Lists calendar elements, either a single month or an entire year.
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.PARAMETER Month
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If specified, will limit output to a single month with this numeral value.
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.PARAMETER Year
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If specified, will output an entire year.
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.EXAMPLE
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PS> ./list-calendar
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Lists the calendar for current month.
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.EXAMPLE
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PS> ./list-calendar 2013
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Lists the calendar for 2013.
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.EXAMPLE
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PS> ./list-calendar 04 2011
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Lists the calendar for April, 2011.
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.EXAMPLE
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PS> ./list-calendar 7
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Lists the calendar for July of this year.
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([int]$Month = (Get-Date).Month, [int]$Year = (Get-Date).Year)
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function Print-Month ($month, $year) {
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$firstDayOfMonth = Get-Date -month $month -day 1 -year $year
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$lastDayOfMonth = (Get-Date -month $firstDayOfMonth.AddMonths(1).Month -day 1 -year $firstDayOfMonth.AddMonths(1).Year).AddDays(-1)
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$header = (Get-Date $firstDayOfMonth -Format MMMM) + " " + $firstDayOfMonth.Year
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Write-Host
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Write-Host $header.ToUpper()
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Write-Host "__________________________"
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Write-Host $daysLine
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for ($day = $firstDayOfMonth; $day -le $lastDayOfMonth; $day = $day.AddDays(1)) {
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if ($day.day -eq 1) {
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Write-Host (" " * 4 * [int](Get-Date $day -uformat %u)) -NoNewLine
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}
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Write-Host ((Get-Date $day -Format dd).ToString()) -NoNewLine
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Write-Host " " -NoNewLine
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if ($day.DayOfWeek -eq "Saturday") {
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Write-Host
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}
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}
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if ($lastDayOfMonth.DayOfWeek -ne "Saturday") {
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Write-Host
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}
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Write-Host
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}
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function Print-Year($year) {
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Write-Host
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for($month = 1; $month -le 12; $month += 3) {
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$header = ""
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for ($i = $month; $i -lt $month + 3; $i++) {
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$tempHeader = (Get-Date -month $i -Format MMMM) + " " + $year.ToString()
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$header += ((" " * (($daysLine.Length - $tempHeader.Length) / 2)) + $tempHeader.toUpper() + (" " * (($daysLine.Length - $tempHeader.Length) / 2)))
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$header += " "
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}
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Write-Host $header
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Write-Host (($daysLine + " ") * 3)
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$dayCounts = (1, 1, 1)
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$i = 0
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while ($dayCounts[0] -le (Get-Date -day 1 -month ($month + 1) -year $year).AddDays(-1).day -or `
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$dayCounts[1] -le (Get-Date -day 1 -month ($month + 2) -year $year).AddDays(-1).day -or `
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$dayCounts[2] -le (Get-Date -day 1 -month (($month + 3) % 12) -year $year).AddDays(-1).day) {
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$dayOfMonth = $dayCounts[$i]
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$dayCounts[$i]++
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$dayOffset = [int](Get-Date -day 1 -month ($month + $i) -year $year -uformat %u)
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if ($dayOfMonth -eq 1) {
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Write-Host (" " * 4 * $dayOffSet) -NoNewLine
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}
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if ($dayOfMonth -le (Get-Date -day 1 -month ((($i + $month) % 12) + 1) -year $year).AddDays(-1).day) {
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$currentDay = (Get-Date -day $dayOfMonth -month ((($i + $month - 1) % 12) + 1) -year $year)
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Write-Host ((Get-Date -month ($i + $month) -day $dayOfMonth -year $year -Format dd).ToString()) -NoNewLine
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Write-Host " " -NoNewLine
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}
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else {
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Write-Host " " -NoNewLine
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}
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if ((($dayOfMonth + $dayOffset) % 7) -eq 0) {
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$i = ($i + 1) % 3
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Write-Host " " -NoNewLine
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if ($i -eq 0) {
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Write-Host
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}
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}
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}
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Write-Host
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$dayCounts = (1, 1, 1)
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}
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}
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function Find-WeekDayMultiple ($year, $month, $dayOfWeek, $multiple) {
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$result = Get-Date -Year $year -Month $month -Day 1
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$multipleCount = 0
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do {
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if ($result.DayOfWeek -eq $dayOfWeek) {
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$multipleCount++
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}
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$result = $result.AddDays(1)
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if ($result.Month -ne $month) {
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throw "Could not find weekday multiple."
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}
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}
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while ($multipleCount -lt $multiple)
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return $result.AddDays(-1)
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}
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function Find-LastWeekDay ($year, $month, $dayOfWeek) {
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$result = $dayCounter = Get-Date -Year $year -Month $month -Day 1
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while ($dayCounter.Month -eq $month) {
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if ($dayCounter.DayOfWeek -eq $dayOfWeek) {
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$result = $dayCounter
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}
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$dayCounter = $dayCounter.AddDays(1)
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}
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return $result
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}
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try {
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Set-Variable -name daysLine -option Constant -value "Su Mo Tu We Th Fr Sa "
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if ($year -lt 0) { throw "Year parameter must be greater than 0" }
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if ($month -lt 0) { throw "Month parameter must be between 1 and 12" }
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if (($month -gt 12) -and ($year -eq (Get-Date).Year)) {
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$year = $month
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$month = 0
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} elseif (($month -gt 12) -and ($year -ne (Get-Date).Year)) {
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throw "Month parameter must be between 1 and 12"
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}
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if ($month -ne 0) {
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Print-Month $month $year
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} else {
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Print-Year $year
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}
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*(generated by convert-ps2md.ps1 as of 11/20/2024 11:51:55)*
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