Kamil Procyszyn

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PowerShell Parameter Attributes - validate, group, require params and add pipeline to your function

Kamil published on 2022-02-07 included in Powershell Video

Having properly configured parameters help your users to understand the use of your function. It also helps fellow developers to appreciate the intended use of the function. In addition, it gives you more control of how the code flows through your script. Parameter attributes is what takes parameters to the next level - you can specify that certain parameters are mandatory, group them together so that only certain combination of parameters is meant to work together, we can even add pipeline support so that function can be used as any other built-in function.

PowerShell function - converting script into function with parameters

Kamil published on 2022-01-21 included in Powershell Video

So you’ve been writing your scripts for some time and wondering how to make them more PowerShell-like, so that they can be invoked from the console like all the other cmdlets? In this quick video I’ll show you how to convert a sample script into function, add parameters and indicated to your user how to use your function with mandatory parameters and types. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 # Sample script which asks user for basic information, then manipulates it and # display some information # There's no way (at least easy) to pass these parameters from prompt, nor validate $Name = Read-Host -Prompt "What's your name?

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PowerShell PSCustomObject - Custom Object, the way it was meant to be

Kamil published on 2021-11-02 included in Powershell object custom

Everything is an object in PowerShell, and ability to create own object allows for one more way of controlling and handling data. In this video I’ll take you through the steps of creating PSCustomObject, working with its properties to doing more advanced topics - like adding methods and types to the object. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 <#PSScriptInfo .

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PowerShell Hash Table - Storing key value pairs

Kamil published on 2021-09-14 included in Powershell Hashtable Map Hash

Quick crash course into using hash tables in PowerShell. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 <#PSScriptInfo .

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PowerShell Array and ArrayList - storing multiple items as a one variable

Kamil published on 2021-08-23 included in Powershell Array List Collection

Array is a basic data structure that allows to store multiple items in one variable. In this short video, I’ll show you how to create a basic array, populate it with items, how to add, access and modify items within array. In addition, I’ll present to you how to use ArrayList - which is much more flexible array, especially for adding more items. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 # Link to the video: https://youtu.

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PowerShell Switch Statement - Different take on branching

Kamil published on 2021-08-04 included in Powershell Condition Branching Switch

One switch statement can replace multiple if/else statements, it makes code more readable and is really easy to use - there’s no reason why you shouldn’t give it a try! 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 # Link to the video: https://youtu.