My goal is to prettify all the JSON files (about 70K of them) in one folder.
Say I have one folder named "juicero" and in there there are about 70K .JSON files with different names -
a.json, b.json
This is what I tried -
PS> $files = Get-ChildItem C:\users\gamer\desktop\juicero\*.json
PS> $json_test = (Get-Content $files -raw | ConvertFrom-Json)
PS> foreach ($file in $files) { ConvertTo-Json | Set-Content $files }
I thought it would iterate through the path and prettify these (pretty straight-forward logic) but for some reason, this is deleting the content of the files. If I don't iterate and just use this function on one .json file it works - so I'm guessing there is something wrong with the iteration logic?
You need to work on files inside the loop, like that:
foreach ($file in $files) {
$content = Get-Content $file -Raw | ConvertFrom-Json
$newFilePath = $file.FullName.Replace("OldFolder","NewFolder")
ConvertTo-Json -InputObject $content| Set-Content $newFilePath
}
Notice that I'm putting output files into new folder, for easier debugging in case any issues.
There's one more issue with your code. Here you're converting all the files at once:
$json_test = (Get-Content $files -raw | ConvertFrom-Json)
However, later on, PowerShell has no information about source file name (file name is not included in $json_test).
Related
I have this code to remove return carriage (^M) characters to be absorbed by Unix. The below codes works, but I can't figure out how to:
loop through a number of CSVs (5), effectively using the for loop
replace the existing files with the new files
$csv = (Get-Content -Raw *.csv) -replace "`r`n","`n"
[io.file]::WriteAllText('C:\Powershell\test.csv', $csv)
The code you posted will take all CSV files and concatenate them to a single output file. You need enumerate and process the files individually. There's also no need to collect the content in a variable. Just pipe the modified content into Set-Content.
Get-ChildItem 'C:\some\folder' -Filter *.csv | ForEach-Object {
(Get-Content -Raw $_.FullName) -replace "`r`n", "`n" | Set-Content $_.FullName
}
PowerShell newbie here,
I need to:
Get text files in recursive local directories that have a common string, students.txt in them.
Get another string, gc.student="name,name" in the resulting file set from #1 and get the name(s).
Put the filename from #1, and just the name,name from #2 (not gc.student="") into a hashtable where the filename is paired with its corresponding name,name.
Output the hashtable to an Excel spreadsheet with 2 columns: File and Name.
I've figured out, having searched and learned here and elsewhere, how to output #1 to the screen, but not how to put it into a hashtable with #2:
$documentsfolder = "C:\records\"
foreach ($file in Get-ChildItem $documentsfolder -recurse | Select String -pattern "students.txt" ) {$file}
I'm thinking to get name in #2 I'll need to use a RegEx since there might only be 1 name sometimes.
And for the output to Excel, this: | Export-Csv -NoType output.csv
Any help moving me on is appreciated.
I think this should get you started. The explanations are in the code comments.
# base directory
$documentsfolder = 'C:\records\'
# get files with names ending with students.txt
$files = Get-ChildItem $documentsfolder -recurse | Where-Object {$_.Name -like "*students.txt"}
# process each of the files
foreach ($file in $files)
{
$fileContents = Get-Content $file
$fileName = $file.Name
#series of matches to clean up different parts of the content
#first find the gc.... pattern
$fileContents = ($fileContents | Select-String -Pattern 'gc.student=".*"').Matches.Value
# then select the string with double quotes
$fileContents = ($fileContents | Select-String '".*"').Matches.Value
# then remove the leading and trailing double quotes
$fileContents = $fileContents -replace '^"','' -replace '"$',''
# drop the objects to the pipeline so that you can pipe it to export-csv
# I am creating custom objects so that your CSV headers will nave nice column names
Write-Output [pscustomobject]#{file=$fileName;name=$fileContents}
} | Export-Csv -NoType output.csv
I would like to rename files and folders based on keywords found in a CSV file.
The CSV holds the search and replace keywords that will make up file and folder names.
Search | Replace
Document | DTX
Processing | PRX
Implementation | IMX
...
Not all the file names include each word in the file name.
Not all the folders will include each word in the folder name
Powershell will have to search the child item ie the folder and file
names.
If it finds the word (match) - Substitute from the CSV
I have looked at these threads to help me:
Using Powershell to recursively rename directories using a lookup file
powershell script to rename all files in directory
http://code.adonline.id.au/batch-rename-files/
I have only managed below snippet
$folder = "C:\Folders" #target folder containing files
$csv = "C:\FileNameKeywords.csv" #path to CSV file
cd ($folder);
Import-Csv ($csv) | foreach {
Rename-Item -Path $_.Path -NewName $_.Filename
}
It only replaces one at a time.
Question:
How can I recursively search and replace in file and Folder Names using a CSV as a look up or reference file.
When you have the need to look up values by other values the usual go-to data structure is a dictionary, or in PowerShell terms a hashtable. Read your CSV into a dictionary like this:
$keywords = #{}
Import-Csv $csv | ForEach-Object {
$keywords[$_.Search] = $_.Replace
}
Then traverse your folder tree and build the new filenames by replacing each key with its respective value:
Get-ChildItem $folder -Recurse | ForEach-Object {
$newname = $_.Name
foreach ($word in $keywords.Keys) {
$newname = $newname.Replace($word, $keywords[$word])
}
if ($_.Name -ne $newname) {
Rename-Item -Path $_.FullName -NewName $newname
}
}
ill give it a shot. I'm assuming search and replace are your headers in this scenario. this in addition to your $folder and $csv variables.
$csvobject=import-csv $csv
Foreach($obj in $csvobject){
$search=$obj.search
$replace=$obj.replace
get-childitem path $folder |where{$_.name -like "$($obj.search)"} | rename-item -newname {$_.name -replace "$search", "$replace"} }
The replace handles regex so u will need to make sure Any special characters are properly escaped.
So I recently have found the need to do a find and replace of mutliple items within a XML document. Currently I have found the code below which will allow me to do multiple find and replaces but these are hard coded within the powershell.
(get-content c:\temp\report2.xml) | foreach-object {$_ -replace "192.168.1.1", "Server1"} | foreach-object {$_ -replace "192.168.1.20", "RandomServername"} | set-content c:\temp\report3.xml
Ideally instead of hard coding the value I would like to find and replace from a list, ideally in a CSV or and XLSX. Maybe two txt file would be easier.
If it was from a CSV it could grab the value to find from A1 and the value to replace it with from B1 and keep looping down until the values are empty.
I understand I would have to use the get-content and the for each command I was just wondering if this was possible and how to go about it/ if anybody could help me.
Thanks in advance.
SG
#next line is to clear output file
$null > c:\temp\report3.xml
$replacers = Import-Csv c:\temp\replaceSource.csv
gc c:\temp\aip.xml | ForEach-Object {
$output = $_
foreach ($r in $replacers) {
$output = $output -replace $r.ReplaceWhat, $r.ReplaceTo
}
#the output has to be appended, not to rewrite everything
return $output | Out-File c:\temp\report3.xml -Append
}
Content of replaceSource.csv looks like:
ReplaceWhat,ReplaceTo
192.168.1.1,server1
192.168.1.20,SERVER2
Note the headers
This is a PowerShell question, not a SharePoint question.
I'm using a script to grab an inventory of SharePoint features, web parts, etc. It outputs each type of report in the same directory as csv files. So I'll end up with a directory on my computer with the csv files.
I'd like to run another PowerShell script after the first one that converts these csvs into html files for easily readable reports.
I'm getting stuck on the part where I would import-csv each file and create each html file with similarly named html files.
Here's what I have so far. Can anyone help me complete this to do what I want it to do? To use Import-CSV, I have to specify the file name as you can see in $dir. Is there another way?
$dir = "C:\Users\me\Desktop\output\TestInvSiteCollections.csv"
dir -LiteralPath $dir | % {Import-Csv $dir}
or use this somehow..
Import-Csv -LiteralPath $dir | ConvertTo-Html | Out-File "C:\Users\me\Desktop\output\myhtmlfile.html"
I would do it like this:
Get-ChildItem -Path 'C:\Users\me\Desktop\output\*.csv' | ForEach-Object {
Import-Csv $_ | ConvertTo-Html | Out-File -FilePath (Join-Path -Path $_.DirectoryName -ChildPath ($_.BaseName + '.html'));
}
I'm not entirely sure I find html tables easier to read than csv files. Excel's filtering and sorting is too useful.
Here's your code. It should split the name of the file and add the extension.
Import-Csv -LiteralPath $dir | ConvertTo-Html | Out-File ($dir.Split(".")[0]+".html")
This is a slightly more verbose method, but I generally prefer readable code over conciseness for maintainability:
#get the list of csv files
$csvFiles = Get-ChildItem $path -Filter *.csv
foreach ($file in $csvFiles)
{
#create FileInfo object
[System.IO.FileInfo]$fileInfo = "$path\$file"
#Get base name of file
$baseName = [System.IO.Path]::GetFileNameWithoutExtension($file.Name)
#do HTML conversion
Import-Csv $fileInfo.FullName | ConvertTo-Html | Out-File "$htmlPath\$baseName.html"
}
This is working code assuming you have $path defined somewhere and can obviously be modified to suite your needs.