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sdwheeler merged 6 commits into from
Nov 16, 2021
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Add examples for + and minus, fix unary - #8281

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Add examples for + and minus, fix unary -
yecril71pl Oct 30, 2021
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add missing :
yecril71pl Nov 15, 2021
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Add examples for + and minus, fix unary -
yecril71pl Nov 15, 2021
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Add examples for + and minus, fix unary -
yecril71pl Nov 15, 2021
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Add examples for + and minus, fix unary -
yecril71pl Nov 15, 2021
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split a long line
yecril71pl Nov 15, 2021
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16 changes: 11 additions & 5 deletions reference/5.1/Microsoft.PowerShell.Core/About/about_Arithmetic_Operators.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,10 @@ PowerShell supports the following arithmetic operators:
| |strings, arrays, and hash tables. |`"file" + "name"` |
| | |`@(1, "one") + @(2.0, "two")`|
| | |`@{"one" = 1} + @{"two" = 2}`|
| +     |Makes a number out of an object   | + 123                       |
| - |Subtracts one value from another |`6 - 2` |
| |value | |
| - |Makes a number a negative number |`-6` |
| - |Calculates the opposite number |`- -6` |
| | |`(Get-Date).AddDays(-1)` |
| * |Multiply numbers or copy strings |`6 * 2` |
| |and arrays the specified number |`@("!") * 4` |
Expand Down Expand Up @@ -178,7 +179,9 @@ operation fails.

The following examples demonstrate the use of the addition and
multiplication operators; in operations that include different object
types. Assume `$array = 1,2,3`:
types.
Assume `$array = 1,2,3`,
`$red = [ConsoleColor]::Red`, `$blue = [ConsoleColor]::Blue`:

|Expression |Result |
|-----------------|-----------------------|
Expand All @@ -187,6 +190,10 @@ types. Assume `$array = 1,2,3`:
|`$array + "file"`|`1`,`2`,`3`,`file` |
|`$array * 2` |`1`,`2`,`3`,`1`,`2`,`3`|
|`"file" * 3` |`filefilefile` |
|`$blue + 3` |`Red` |
|`$red - 3` |`Blue` |
|`$blue - $red` |`-3` |
|`+ '123'` |`123` |

Because the method that is used to evaluate statements is determined by the
leftmost object, addition and multiplication in PowerShell are not strictly
Expand All @@ -201,7 +208,7 @@ The following examples demonstrate this principle:
|`16 + "file"`|`Cannot convert value "file" to type "System.Int32".`|
| |`Error: "Input string was not in a correct format."` |
| |`At line:1 char:1` |
| |+ 16 + "file"` |
| |`+ 16 + "file"` |

Hash tables are a slightly different case. You can add hash tables to
another hash table, as long as, the added hash tables don't have duplicate
Expand Down Expand Up @@ -305,8 +312,7 @@ result without losing precision. For example:

```powershell
2 + 3.1

(2). GetType().FullName
(2).GetType().FullName
(2 + 3.1).GetType().FullName
```

Expand Down
16 changes: 11 additions & 5 deletions reference/7.0/Microsoft.PowerShell.Core/About/about_Arithmetic_Operators.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,10 @@ PowerShell supports the following arithmetic operators:
| |strings, arrays, and hash tables. |`"file" + "name"` |
| | |`@(1, "one") + @(2.0, "two")`|
| | |`@{"one" = 1} + @{"two" = 2}`|
| + |Makes a number out of an object | + 123 |
| - |Subtracts one value from another |`6 - 2` |
| |value | |
| - |Makes a number a negative number |`-6` |
| - |Calculates the opposite number |`- -6` |
| | |`(Get-Date).AddDays(-1)` |
| * |Multiply numbers or copy strings |`6 * 2` |
| |and arrays the specified number |`@("!") * 4` |
Expand Down Expand Up @@ -178,7 +179,9 @@ operation fails.

The following examples demonstrate the use of the addition and
multiplication operators; in operations that include different object
types. Assume `$array = 1,2,3`:
types.
Assume `$array = 1,2,3`,
`$red = [ConsoleColor]::Red`, `$blue = [ConsoleColor]::Blue`:

|Expression |Result |
|-----------------|-----------------------|
Expand All @@ -187,6 +190,10 @@ types. Assume `$array = 1,2,3`:
|`$array + "file"`|`1`,`2`,`3`,`file` |
|`$array * 2` |`1`,`2`,`3`,`1`,`2`,`3`|
|`"file" * 3` |`filefilefile` |
|`$blue + 3` |`Red` |
|`$red - 3` |`Blue` |
|`$blue - $red` |`-3` |
|`+ '123'` |`123` |

Because the method that is used to evaluate statements is determined by the
leftmost object, addition and multiplication in PowerShell are not strictly
Expand All @@ -201,7 +208,7 @@ The following examples demonstrate this principle:
|`16 + "file"`|`Cannot convert value "file" to type "System.Int32".`|
| |`Error: "Input string was not in a correct format."` |
| |`At line:1 char:1` |
| |+ 16 + "file"` |
| |`+ 16 + "file"` |

Hash tables are a slightly different case. You can add hash tables to
another hash table, as long as, the added hash tables don't have duplicate
Expand Down Expand Up @@ -305,8 +312,7 @@ result without losing precision. For example:

```powershell
2 + 3.1

(2). GetType().FullName
(2).GetType().FullName
(2 + 3.1).GetType().FullName
```

Expand Down
16 changes: 11 additions & 5 deletions reference/7.1/Microsoft.PowerShell.Core/About/about_Arithmetic_Operators.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,10 @@ PowerShell supports the following arithmetic operators:
| |strings, arrays, and hash tables. |`"file" + "name"` |
| | |`@(1, "one") + @(2.0, "two")`|
| | |`@{"one" = 1} + @{"two" = 2}`|
| + |Makes a number out of an object | + 123 |
| - |Subtracts one value from another |`6 - 2` |
| |value | |
| - |Makes a number a negative number |`-6` |
| - |Calculates the opposite number |`- -6` |
| | |`(Get-Date).AddDays(-1)` |
| * |Multiply numbers or copy strings |`6 * 2` |
| |and arrays the specified number |`@("!") * 4` |
Expand Down Expand Up @@ -178,7 +179,9 @@ operation fails.

The following examples demonstrate the use of the addition and
multiplication operators; in operations that include different object
types. Assume `$array = 1,2,3`:
types.
Assume `$array = 1,2,3`,
`$red = [ConsoleColor]::Red`, `$blue = [ConsoleColor]::Blue`:

|Expression |Result |
|-----------------|-----------------------|
Expand All @@ -187,6 +190,10 @@ types. Assume `$array = 1,2,3`:
|`$array + "file"`|`1`,`2`,`3`,`file` |
|`$array * 2` |`1`,`2`,`3`,`1`,`2`,`3`|
|`"file" * 3` |`filefilefile` |
|`$blue + 3` |`Red` |
|`$red - 3` |`Blue` |
|`$blue - $red` |`-3` |
|`+ '123'` |`123` |

Because the method that is used to evaluate statements is determined by the
leftmost object, addition and multiplication in PowerShell are not strictly
Expand All @@ -201,7 +208,7 @@ The following examples demonstrate this principle:
|`16 + "file"`|`Cannot convert value "file" to type "System.Int32".`|
| |`Error: "Input string was not in a correct format."` |
| |`At line:1 char:1` |
| |+ 16 + "file"` |
| |`+ 16 + "file"` |

Hash tables are a slightly different case. You can add hash tables to
another hash table, as long as, the added hash tables don't have duplicate
Expand Down Expand Up @@ -305,8 +312,7 @@ result without losing precision. For example:

```powershell
2 + 3.1

(2). GetType().FullName
(2).GetType().FullName
(2 + 3.1).GetType().FullName
```

Expand Down
16 changes: 11 additions & 5 deletions reference/7.2/Microsoft.PowerShell.Core/About/about_Arithmetic_Operators.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,10 @@ PowerShell supports the following arithmetic operators:
| |strings, arrays, and hash tables. |`"file" + "name"` |
| | |`@(1, "one") + @(2.0, "two")`|
| | |`@{"one" = 1} + @{"two" = 2}`|
| + |Makes a number out of an object | + 123 |
| - |Subtracts one value from another |`6 - 2` |
| |value | |
| - |Makes a number a negative number |`-6` |
| - |Calculates the opposite number |`- -6` |
| | |`(Get-Date).AddDays(-1)` |
| * |Multiply numbers or copy strings |`6 * 2` |
| |and arrays the specified number |`@("!") * 4` |
Expand Down Expand Up @@ -178,7 +179,9 @@ operation fails.

The following examples demonstrate the use of the addition and
multiplication operators; in operations that include different object
types. Assume `$array = 1,2,3`:
types.
Assume `$array = 1,2,3`,
`$red = [ConsoleColor]::Red`, `$blue = [ConsoleColor]::Blue`:

|Expression |Result |
|-----------------|-----------------------|
Expand All @@ -187,6 +190,10 @@ types. Assume `$array = 1,2,3`:
|`$array + "file"`|`1`,`2`,`3`,`file` |
|`$array * 2` |`1`,`2`,`3`,`1`,`2`,`3`|
|`"file" * 3` |`filefilefile` |
|`$blue + 3` |`Red` |
|`$red - 3` |`Blue` |
|`$blue - $red` |`-3` |
|`+ '123'` |`123` |

Because the method that is used to evaluate statements is determined by the
leftmost object, addition and multiplication in PowerShell are not strictly
Expand All @@ -201,7 +208,7 @@ The following examples demonstrate this principle:
|`16 + "file"`|`Cannot convert value "file" to type "System.Int32".`|
| |`Error: "Input string was not in a correct format."` |
| |`At line:1 char:1` |
| |+ 16 + "file"` |
| |˙+ 16 + "file"` |

Hash tables are a slightly different case. You can add hash tables to
another hash table, as long as, the added hash tables don't have duplicate
Expand Down Expand Up @@ -305,8 +312,7 @@ result without losing precision. For example:

```powershell
2 + 3.1

(2). GetType().FullName
(2).GetType().FullName
(2 + 3.1).GetType().FullName
```

Expand Down