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Davis Henckel
2021-11-26 09:11:56 -08:00
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FAQ/How to Read an Existing Excel File.md
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# How to Read an existing Excel File # How to Read an Existing Excel File
```powershell ```powershell
Import-Module ImportExcel Import-Module ImportExcel
@@ -10,7 +10,7 @@ $ExcelFile = Import-Excel "C:\Test\file.xlsx" -WorksheetName "Sheet1"
The File C:\Test\file.xlsx contains The File C:\Test\file.xlsx contains
![ExcelFileContents](/images/FAQ_Images/ExcelFileContents.png) ![ExcelFileContents](/images/FAQ_Images/ExcelFileContents.png)
After Loading this data into ```$ExcelFile``` the data is stored like: After loading this data into ```$ExcelFile``` the data is stored like:
![ExcelFileDebugImg](/images/FAQ_Images/ExcelFileDebugImg.jpg) ![ExcelFileDebugImg](/images/FAQ_Images/ExcelFileDebugImg.jpg)
## Other Common Operations ## Other Common Operations
@@ -25,14 +25,14 @@ $SpecificColumn = $ExcelFile."anotherHeader" #loads column with the header "anot
$SpecificRow = $ExcelFile[1] #Loads row at index 1. Index 1 is the first row instead of 0. $SpecificRow = $ExcelFile[1] #Loads row at index 1. Index 1 is the first row instead of 0.
``` ```
### Map Contents to Hashtable to interpret data ### Map Contents to Hashtable to Interpret Data
Sometimes mapping to a HashTable is more convenient to have access to common Hashtable operations. Enumerate a Hashtable with the row's data by: Sometimes mapping to a Hashtable is more convenient to have access to common Hashtable operations. Enumerate a Hashtable with the row's data by:
```powershell ```powershell
$HashTable = @{} $HashTable = @{}
$SpecificRow= $ExcelFile[2] $SpecificRow= $ExcelFile[2]
$SpecificRow.psobject.properties | ForEach-Object {$HashTable[$_.Name] = $_.Value} $SpecificRow.psobject.properties | ForEach-Object {$HashTable[$_.Name] = $_.Value}
``` ```
To then iterate through the enumerated hash... To then iterate through the enumerated Hashtable:
```powershell ```powershell
ForEach ($Key in ($HashTable.GetEnumerator()) | Where-Object {$_.Value -eq "x"}){ #Only grabs a key where the value is "x" ForEach ($Key in ($HashTable.GetEnumerator()) | Where-Object {$_.Value -eq "x"}){ #Only grabs a key where the value is "x"
#values accessible with $Key.Name or $Key.Value #values accessible with $Key.Name or $Key.Value