30 lines
649 B
TypeScript
Executable File
30 lines
649 B
TypeScript
Executable File
// [start-readme]
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//
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// Given N files. Exit 0 if they all exist and are identical in content.
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//
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// [end-readme]
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import fs from 'fs'
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import { program } from 'commander'
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program.description('Compare N files').arguments('[files...]').parse(process.argv)
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main(program.args)
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function main(files: string[]) {
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if (files.length < 2) throw new Error('Must be at least 2 files')
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try {
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const contents = files.map((file) => fs.readFileSync(file, 'utf-8'))
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if (new Set(contents).size > 1) {
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process.exit(1)
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}
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} catch (error: any) {
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if (error.code === 'ENOENT') {
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process.exit(1)
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} else {
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throw error
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}
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}
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}
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