mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-14 03:54:46 +01:00
248 lines
6.7 KiB
Markdown
248 lines
6.7 KiB
Markdown
*list-calendar.ps1*
|
|
================
|
|
|
|
Lists calendar elements, either a single month or an entire year.
|
|
|
|
Parameters
|
|
----------
|
|
```powershell
|
|
PS> ./list-calendar.ps1 [[-Month] <Int32>] [[-Year] <Int32>] [<CommonParameters>]
|
|
|
|
-Month <Int32>
|
|
If specified, will limit output to a single month with this numeral value.
|
|
|
|
Required? false
|
|
Position? 1
|
|
Default value (Get-Date).Month
|
|
Accept pipeline input? false
|
|
Accept wildcard characters? false
|
|
|
|
-Year <Int32>
|
|
If specified, will output an entire year.
|
|
|
|
Required? false
|
|
Position? 2
|
|
Default value (Get-Date).Year
|
|
Accept pipeline input? false
|
|
Accept wildcard characters? false
|
|
|
|
[<CommonParameters>]
|
|
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
|
|
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./list-calendar
|
|
Lists the calendar for current month.
|
|
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./list-calendar 2013
|
|
Lists the calendar for 2013.
|
|
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./list-calendar 04 2011
|
|
Lists the calendar for April, 2011.
|
|
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./list-calendar 7
|
|
Lists the calendar for July of this year.
|
|
|
|
```
|
|
|
|
Notes
|
|
-----
|
|
Author: Markus Fleschutz | License: CC0
|
|
|
|
Related Links
|
|
-------------
|
|
https://github.com/fleschutz/PowerShell
|
|
|
|
Script Content
|
|
--------------
|
|
```powershell
|
|
<#
|
|
.SYNOPSIS
|
|
Lists the calendar
|
|
.DESCRIPTION
|
|
Lists calendar elements, either a single month or an entire year.
|
|
.PARAMETER Month
|
|
If specified, will limit output to a single month with this numeral value.
|
|
.PARAMETER Year
|
|
If specified, will output an entire year.
|
|
.EXAMPLE
|
|
PS> ./list-calendar
|
|
Lists the calendar for current month.
|
|
.EXAMPLE
|
|
PS> ./list-calendar 2013
|
|
Lists the calendar for 2013.
|
|
.EXAMPLE
|
|
PS> ./list-calendar 04 2011
|
|
Lists the calendar for April, 2011.
|
|
.EXAMPLE
|
|
PS> ./list-calendar 7
|
|
Lists the calendar for July of this year.
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([int]$Month = (Get-Date).Month, [int]$Year = (Get-Date).Year)
|
|
|
|
function Print-Month ($month, $year) {
|
|
$firstDayOfMonth = Get-Date -month $month -day 1 -year $year
|
|
$lastDayOfMonth = (Get-Date -month $firstDayOfMonth.AddMonths(1).Month -day 1 -year $firstDayOfMonth.AddMonths(1).Year).AddDays(-1)
|
|
|
|
$header = (Get-Date $firstDayOfMonth -Format MMMM) + " " + $firstDayOfMonth.Year
|
|
Write-Host
|
|
Write-Host ((" " * (($daysLine.Length - $header.Length) / 2)) + $header)
|
|
Write-Host $daysLine
|
|
|
|
for ($day = $firstDayOfMonth; $day -le $lastDayOfMonth; $day = $day.AddDays(1)) {
|
|
if ($day.day -eq 1) {
|
|
Write-Host (" " * 3 * [int](Get-Date $day -uformat %u)) -NoNewLine
|
|
}
|
|
|
|
Write-Host ((Get-Date $day -Format dd).ToString()) -NoNewLine
|
|
Write-Host " " -NoNewLine
|
|
|
|
if ($day.DayOfWeek -eq "Saturday") {
|
|
Write-Host
|
|
}
|
|
}
|
|
|
|
if ($lastDayOfMonth.DayOfWeek -ne "Saturday") {
|
|
Write-Host
|
|
}
|
|
|
|
Write-Host
|
|
}
|
|
|
|
function Print-Year($year) {
|
|
|
|
Write-Host
|
|
|
|
for($month = 1; $month -le 12; $month += 3) {
|
|
$header = ""
|
|
|
|
for ($i = $month; $i -lt $month + 3; $i++) {
|
|
$tempHeader = (Get-Date -month $i -Format MMMM) + " " + $year.ToString()
|
|
$header += ((" " * (($daysLine.Length - $tempHeader.Length) / 2)) + $tempHeader + (" " * (($daysLine.Length - $tempHeader.Length) / 2)))
|
|
$header += " "
|
|
}
|
|
|
|
Write-Host $header
|
|
Write-Host (($daysLine + " ") * 3)
|
|
|
|
$dayCounts = (1, 1, 1)
|
|
$i = 0
|
|
|
|
while ($dayCounts[0] -le (Get-Date -day 1 -month ($month + 1) -year $year).AddDays(-1).day -or `
|
|
$dayCounts[1] -le (Get-Date -day 1 -month ($month + 2) -year $year).AddDays(-1).day -or `
|
|
$dayCounts[2] -le (Get-Date -day 1 -month (($month + 3) % 12) -year $year).AddDays(-1).day) {
|
|
|
|
$dayOfMonth = $dayCounts[$i]
|
|
$dayCounts[$i]++
|
|
$dayOffset = [int](Get-Date -day 1 -month ($month + $i) -year $year -uformat %u)
|
|
|
|
if ($dayOfMonth -eq 1) {
|
|
Write-Host (" " * 3 * $dayOffSet) -NoNewLine
|
|
}
|
|
|
|
if ($dayOfMonth -le (Get-Date -day 1 -month ((($i + $month) % 12) + 1) -year $year).AddDays(-1).day) {
|
|
$currentDay = (Get-Date -day $dayOfMonth -month ((($i + $month - 1) % 12) + 1) -year $year)
|
|
|
|
Write-Host ((Get-Date -month ($i + $month) -day $dayOfMonth -year $year -Format dd).ToString()) -NoNewLine
|
|
Write-Host " " -NoNewLine
|
|
}
|
|
else {
|
|
Write-Host " " -NoNewLine
|
|
}
|
|
|
|
if ((($dayOfMonth + $dayOffset) % 7) -eq 0) {
|
|
$i = ($i + 1) % 3
|
|
Write-Host " " -NoNewLine
|
|
|
|
if ($i -eq 0) {
|
|
Write-Host
|
|
}
|
|
}
|
|
}
|
|
|
|
Write-Host
|
|
$dayCounts = (1, 1, 1)
|
|
}
|
|
}
|
|
|
|
function Find-WeekDayMultiple ($year, $month, $dayOfWeek, $multiple) {
|
|
$result = Get-Date -Year $year -Month $month -Day 1
|
|
$multipleCount = 0
|
|
|
|
do {
|
|
if ($result.DayOfWeek -eq $dayOfWeek) {
|
|
$multipleCount++
|
|
}
|
|
|
|
$result = $result.AddDays(1)
|
|
|
|
if ($result.Month -ne $month) {
|
|
throw "Could not find weekday multiple."
|
|
}
|
|
}
|
|
while ($multipleCount -lt $multiple)
|
|
|
|
return $result.AddDays(-1)
|
|
}
|
|
|
|
function Find-LastWeekDay ($year, $month, $dayOfWeek) {
|
|
$result = $dayCounter = Get-Date -Year $year -Month $month -Day 1
|
|
|
|
while ($dayCounter.Month -eq $month) {
|
|
if ($dayCounter.DayOfWeek -eq $dayOfWeek) {
|
|
$result = $dayCounter
|
|
}
|
|
$dayCounter = $dayCounter.AddDays(1)
|
|
}
|
|
return $result
|
|
}
|
|
|
|
try {
|
|
Set-Variable -name daysLine -option Constant -value "Su Mo Tu We Th Fr Sa "
|
|
|
|
if ($year -lt 0) { throw "Year parameter must be greater than 0" }
|
|
if ($month -lt 0) { throw "Month parameter must be between 1 and 12" }
|
|
|
|
if (($month -gt 12) -and ($year -eq (Get-Date).Year)) {
|
|
$year = $month
|
|
$month = 0
|
|
} elseif (($month -gt 12) -and ($year -ne (Get-Date).Year)) {
|
|
throw "Month parameter must be between 1 and 12"
|
|
}
|
|
if ($month -ne 0) {
|
|
Print-Month $month $year
|
|
} else {
|
|
Print-Year $year
|
|
}
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|
|
```
|
|
|
|
*(generated by convert-ps2md.ps1 using the comment-based help of list-calendar.ps1 as of 09/20/2023 17:04:40)*
|