42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
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function bareStdin(ctx) {
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return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
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}
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function count(s) {
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const lines = (s.match(/\n/g) || []).length
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const words = s.trim() ? s.trim().split(/\s+/).length : 0
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const bytes = new TextEncoder().encode(s).length
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return { lines, words, bytes }
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}
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async function run(ctx, argv) {
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const vfs = ctx.vfs
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const files = argv.slice(1).filter((a) => !a.startsWith('-'))
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if (!files.length) {
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const s = bareStdin(ctx)
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const c = count(s)
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ctx.console.log(' ' + c.lines + ' ' + c.words + ' ' + c.bytes)
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return
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}
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let tLines = 0
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let tWords = 0
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let tBytes = 0
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for (const f of files) {
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const buf = await vfs.readFile(f)
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if (!buf) {
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ctx.console.error('wc: ' + f + ': No such file')
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continue
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}
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const s = ctx.b4a.toString(buf)
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const c = count(s)
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tLines += c.lines
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tWords += c.words
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tBytes += c.bytes
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ctx.console.log(' ' + c.lines + ' ' + c.words + ' ' + c.bytes + ' ' + f)
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}
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if (files.length > 1) {
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ctx.console.log(' ' + tLines + ' ' + tWords + ' ' + tBytes + ' total')
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}
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}
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