ByteScout Cloud API Server – PDF Text Search API – PowerShell – PDF Text Search from URL Asynchronously

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PDFTextSearchFromUrlAsynchronously.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.

# Direct URL of PDF file to get information
$SourceFileURL = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/sample.pdf"

# Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
$Pages = ""

# PDF document password. Leave empty for unprotected documents.
$Password = ""

# Search string. 
$SearchString = '\d{1,}\.\d\d' #Regular expression to find numbers like '100.00'

# Enable regular expressions (Regex) 
$RegexSearch = 'True'

# (!) Make asynchronous job
$Async = $true

# Prepare URL for PDF text search API call.
$query = "https://localhost/pdf/find?password=$($Password)&pages=$($Pages)&url=$($SourceFileURL)&searchString=$($SearchString)&regexSearch=$($RegexSearch)&async=$($Async)"
$query = [System.Uri]::EscapeUriString($query)

try {
    # Execute request
    $jsonResponse = Invoke-RestMethod -Method Get  -Uri $query

    if ($jsonResponse.error -eq $false) {
        # Asynchronous job ID
        $jobId = $jsonResponse.jobId

        # URL of generated JSON file with search result that will available after the job completion
        $resultFileUrl = $jsonResponse.url

        # Check the job status in a loop. 
        # If you don't want to pause the main thread you can rework the code 
        # to use a separate thread for the status checking and completion.
        do {
            $statusCheckUrl = "https://localhost/job/check?jobid=" + $jobId
            $jsonStatus = Invoke-RestMethod -Method Get  -Uri $statusCheckUrl

            # Display timestamp and status (for demo purposes)
            Write-Host "$(Get-date): $($jsonStatus.status)"

            if ($jsonStatus.status -eq "success") {
                # Get JSON for search result
                $jsonSearchResult = Invoke-RestMethod -Method Get  -Uri $resultFileUrl
                
                # Display found result in console
                foreach ($item in $jsonSearchResult)
                {
                    Write-Host "Found text $($item.text) at coordinates $($item.left), $($item.top)"
                }
                break
            }
            elseif ($jsonStatus.status -eq "working") {
                # Pause for a few seconds
                Start-Sleep -Seconds 3
            }
            else {
                Write-Host $jsonStatus.status
                break
            }
        }
        while ($true)
    }
    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 "& .\PDFTextSearchFromUrlAsynchronously.ps1"
echo Script finished with errorlevel=%errorlevel%

pause
    

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