ByteScout Cloud API Server – Document Parser API – Powershell – Parse From Url

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MultiPageTable-template1.yml

      
---
# Template that demonstrates parsing of multi-page table using only 
# regular expressions for the table start, end, and rows.
# If regular expression cannot be written for every table row (for example, 
# if the table contains empty cells), try the second method demonstrated 
# in `MultiPageTable-template2.yml` template.
templateVersion: 3
templatePriority: 0
sourceId: Multipage Table Test
detectionRules:
  keywords:
  - Sample document with multi-page table
fields:
  total:
    type: regex
    expression: TOTAL {{DECIMAL}}
    dataType: decimal
tables:
- name: table1
  start:
    # regular expression to find the table start in document
    expression: Item\s+Description\s+Price\s+Qty\s+Extended Price
  end:
    # regular expression to find the table end in document
    expression: TOTAL\s+\d+\.\d\d
  row:
    # regular expression to find table rows
    expression: '^\s*(?<itemNo>\d+)\s+(?<description>.+?)\s+(?<price>\d+\.\d\d)\s+(?<qty>\d+)\s+(?<extPrice>\d+\.\d\d)'
  columns: 
  - name: itemNo
    type: integer
  - name: description
    type: string
  - name: price
    type: decimal
  - name: qty
    type: integer
  - name: extPrice
    type: decimal
  multipage: true
    

ParseFromUrl.ps1

      
# Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". 
# If it's not then please replace this with with your hosting url.

# Source PDF file url
$SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/document-parser/MultiPageTable.pdf"

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


try {
    # Parse url
    # 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://localhost/pdf/documentparser"

    # Content
    $Body = @{
        "url" = $SourceFileUrl;
        "template" = $templateContent;
    }
    
    # Execute request
    $jsonResponse = Invoke-RestMethod -Method 'Post' -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 -OutFile $DestinationFile -Uri $resultFileUrl
        Write-Host "Generated output file saved as `"$($DestinationFile)`" file."
    }
    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 "& .\ParseFromUrl.ps1"
echo Script finished with errorlevel=%errorlevel%

pause
    

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