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Deno
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Do It Yourself
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const file_path = 'intro-write.txt' // Append to file by setting the append property to true in the writeFileOptions await Deno.writeFileSync(file_path, 'Writing text is simple.', { 'append': true });
Related Examples
Deno Example Remove File with remove() and removeSync()
Deno Example Read File With readFile()
Deno Example Read File With open()