# 尝试读取 Excel 文件的简单方案
# 由于没有安装 Excel 读取库，使用 PowerShell 和其他方式

$envPath = "c:\work\data\env.xlsx"

Write-Output "Excel 文件路径: $envPath"
Write-Output "文件大小: $(Get-Item $envPath).Length bytes"
Write-Output "创建时间: $(Get-Item $envPath).LastWriteTime"
Write-Output ""

# 尝试作为二进制读取并查找文本
$bytes = [System.IO.File]::ReadAllBytes($envPath)

# 查找可能的 Git URL 或 GitHub 相关关键词
$text = [System.Text.Encoding]::UTF8.GetString($bytes)
$gitKeywords = @("git", "github", "repository", "repo", "git@", "https://", ".git", "ssh", "clone")

$foundKeywords = @()
foreach ($keyword in $gitKeywords) {
    if ($text -like "*$keyword*") {
        $foundKeywords += $keyword
    }
}

Write-Output "找到的 Git 相关关键词: $($foundKeywords -join ', ')"

# 尝试查找 URL 模式
$urls = [regex]::Matches($text, "https?://github\.com/[^\s`"]+")
Write-Output "`n找到的 URLs:"
if ($urls.Count -gt 0) {
    $urls | ForEach-Object { Write-Output "  - $_.Value" }
} else {
    Write-Output "  未找到 https://github.com/ 格式的 URL"
}

# 读取前 2000 个字符查看内容
Write-Output "`n文件前 2000 个字符:"
Write-Output $text.Substring(0, [Math]::Min(2000, $text.Length)))