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#target aftereffectsvar thisFile = new File($.fileName);var basePath = thisFile.path;
#include "xlsx.extendscript.js";
var filename = "/sheetjs.xlsx";
/* Read file from disk */var workbook = XLSX.readFile(basePath + filename, {cellDates:true});
/* Display first worksheet */var first_sheet_name = workbook.SheetNames[0], first_worksheet = workbook.Sheets[first_sheet_name];var data = XLSX.utils.sheet_to_json(first_worksheet, {header:1});alert(data);
var outfmts = [  ["xlsb",  "testw.xlsb"],  ["biff8", "testw.xls"],  ["xlml",  "testw.xml"],  ["fods",  "testw.fods"],  ["csv",   "testw.csv"],  ["txt",   "testw.txt"],  ["slk",   "testw.slk"],  ["eth",   "testw.eth"],  ["htm",   "testw.htm"],  ["dif",   "testw.dif"],  ["ods",   "testw.ods"],  ["xlsx",  "testw.xlsx"]];for(var i = 0; i < outfmts.length; ++i) {  alert(outfmts[i][0]);  var fname = basePath + "/" + outfmts[i][1];
  /* Write file to disk */  XLSX.writeFile(workbook, fname);
  /* Read new file */  var wb = XLSX.readFile(fname, {cellDates:true});
  /* Display first worksheet */  var f_sheet_name = wb.SheetNames[0], f_worksheet = wb.Sheets[f_sheet_name];  var data = XLSX.utils.sheet_to_json(f_worksheet, {header:1, cellDates:true});  alert(data);}