2023-02-14 08:22:31 +00:00
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#!/usr/bin/env ruby
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# ExecSheetJS.rb (c) SheetJS LLC -- https://sheetjs.com
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require "execjs"
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require "base64"
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2023-09-25 07:30:54 +00:00
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source = File.open("xlsx.full.min.js", "rb").read();
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source.force_encoding("UTF-8");
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2023-02-14 08:22:31 +00:00
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context = ExecJS.compile(source);
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puts context.eval("XLSX.version");
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2023-09-25 07:30:54 +00:00
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data = Base64.strict_encode64(File.open(ARGV[0], "rb").read);
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2023-02-14 08:22:31 +00:00
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result = context.call(<<EOF, data);
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function(data) {
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var wb = XLSX.read(data, {type: 'base64'});
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var ws = wb.Sheets[wb.SheetNames[0]];
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/* to avoid re-parsing, CSV and XLSB are written in the same call */
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return [
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XLSX.utils.sheet_to_csv(ws),
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XLSX.write(wb, {bookType: "xlsb", type: "base64"})
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];
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}
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EOF
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puts result[0];
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xlsb = Base64.strict_decode64(result[1]);
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File.write("sheetjsw.xlsb", xlsb, mode: "wb");
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