String replacement function with Powershell
I am desperately trying to adapt the following function from PHP to Powershell:
LgReplace ($ origString, $ repArray) function
{
// Transforms an input string containing terms like %1%, %2% and so on by values in array
for($i=1;$i<count($repArray)+1;$i++)
{
$origString=str_replace("%$i%",$repArray[$i],$origString);
}
return $origString;
}
In php, you can call this function like this:
$source="I like %1% and %2% !";
$new=lgReplace($source, array(1=>"drinking beer",2=>"coding")
In other words, the function will look for "% 1%" in $ source, switch to "drink beer", then search for "% 2%" in $ source, replace it with "encoding", then return the result: "I like drinking beer and encode!".
I tried to adapt this function to powershell but failed:
function lgReplace($origString,$repArray)
{
# Transforms an input string containing terms like %1%, %2% and so on by values in array
for($i=1;$i -lt $repArray.count+1;$i++)
{
$origString=$origString -replace "%$i%",$repArray[$i]
}
return $origString
}
$source="I like %1% and %2% !"
$terms=@("coding","drinking beer")
$new=lgReplace $source,$terms
$new
$ new displays this:
I like %1% and %2% !
coding
drinking beer
I tried several ways to make this work to no avail ... Any help would be greatly appreciated! Thank!
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I would rather use a hash table to display the [Key-Value].
$replaceMe = 'I like %1%, %2%, %3%, %4% and %5%'
$keyValueMap = @{
'%1%' = 'Jägermeister';
'%2%' = 'My wife';
'%3%' = 'PowerShell';
'%4%' = 'the moon';
'%5%' = 'Hashtable performance'
}
$keyValueMap.GetEnumerator() | % {$replaceMe = $replaceMe -replace $_.key, $_.value }
Write-host $replaceMe
If I want to compare data structures in PowerShell, I wouldn't be working with arrays.
In .NET, arrays are immutable. Each time you add a new element, the system rebuilds the array and adds new data.
With each new element, your array will be slower and slower.
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