How to parse from uploaded file for document parser API in Powershell using PDF.co Web API

Learn to write code parse from uploaded file for document parser API in Powershell: Simple How To Tutorial

The easy to understand coding guides help you check the features without any need to write your own code. PDF.co Web API helps with document parser API in Powershell. PDF.co Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

This simple and easy to understand sample source code in Powershell for PDF.co Web API contains different functions and options you should do calling the API to implement document parser API. This Powershell sample code can be used by copying and pasting into your project. Once done,just compile your project and click Run. Easy to understand tutorials are available along with installed PDF.co Web API if you’d like to learn more about the topic and the details of the API.

Our website provides free trial version of PDF.co Web API that gives source code samples to assist with your Powershell project.

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MultiPageTable-template1.yml

      
templateName: Multipage Table Test
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - Sample document with multi-page table
objects:
- name: total
  objectType: field
  fieldProperties:
    fieldType: macros
    expression: TOTAL{{Spaces}}({{Number}})
    regex: true
    dataType: decimal
- name: table1
  objectType: table
  tableProperties:
    start:
      expression: Item{{Spaces}}Description{{Spaces}}Price
      regex: true
    end:
      expression: TOTAL{{Spaces}}{{Number}}
      regex: true
    row:
      expression: '{{LineStart}}{{Spaces}}(?<itemNo>{{Digits}}){{Spaces}}(?<description>{{SentenceWithSingleSpaces}}){{Spaces}}(?<price>{{Number}}){{Spaces}}(?<qty>{{Digits}}){{Spaces}}(?<extPrice>{{Number}})'
      regex: true
    columns:
    - name: itemNo
      dataType: integer
    - name: description
      dataType: string
    - name: price
      dataType: decimal
    - name: qty
      dataType: integer
    - name: extPrice
      dataType: decimal
    multipage: true

ParseFromUploadedFile.ps1

      
# The authentication key (API Key).
# Get your own by registering at https://app.pdf.co/documentation/api
$API_KEY = "***********************************"

# Source PDF file
$SourceFile = ".\MultiPageTable.pdf"

# Destination JSON file name
$DestinationFile = ".\result.json"

# 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
# * If you already have a direct file URL, skip to the step 3.

# Prepare URL for `Get Presigned URL` API call
$query = "https://api.pdf.co/v1/file/upload/get-presigned-url?contenttype=application/octet-stream&name=" + `
    [System.IO.Path]::GetFileName($SourceFile)
$query = [System.Uri]::EscapeUriString($query)

try {
    # Execute request
    $jsonResponse = Invoke-RestMethod -Method Get -Headers @{ "x-api-key" = $API_KEY } -Uri $query
    
    if ($jsonResponse.error -eq $false) {
        # Get URL to use for the file upload
        $uploadUrl = $jsonResponse.presignedUrl
        # Get URL of uploaded file to use with later API calls
        $uploadedFileUrl = $jsonResponse.url

        # 2. UPLOAD THE FILE TO CLOUD.

        $r = Invoke-WebRequest -Method Put -Headers @{ "x-api-key" = $API_KEY; "content-type" = "application/octet-stream" } -InFile $SourceFile -Uri $uploadUrl
        
        if ($r.StatusCode -eq 200) {
            
            # 3. Parse PDF document by template

            # Template text. Use Document Parser SDK (https://bytescout.com/products/developer/documentparsersdk/index.html)
            # to create templates.
            # Read template from file:
            $templateContent = [IO.File]::ReadAllText(".\MultiPageTable-template1.yml")

            # Prepare URL for `Document Parser` API call
            $query = "https://api.pdf.co/v1/pdf/documentparser"

            # Content
            $Body = @{
                "url" = $uploadedFileUrl;
                "template" = $templateContent;
            }

            # Execute request
            $jsonResponse = Invoke-RestMethod -Method 'Post' -Headers @{ "x-api-key" = $API_KEY } -Uri $query -Body ($Body|ConvertTo-Json) -ContentType "application/json"

            if ($jsonResponse.error -eq $false) {
                # Get URL of generated HTML file
                $resultFileUrl = $jsonResponse.url;
                
                # Download output file
                Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl

                Write-Host "Generated output file saved as `"$($DestinationFile)`" file."
            }
            else {
                # Display service reported error
                Write-Host $jsonResponse.message
            }
        }
        else {
            # Display request error status
            Write-Host $r.StatusCode + " " + $r.StatusDescription
        }
    }
    else {
        # Display service reported error
        Write-Host $jsonResponse.message
    }
}
catch {
    # Display request error
    Write-Host $_.Exception
}

run.bat

      
@echo off

powershell -NoProfile -ExecutionPolicy Bypass -Command "& .\ParseFromUploadedFile.ps1"
echo Script finished with errorlevel=%errorlevel%

pause

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