		'use strict'

		// When writing files on Windows, translate the characters to their
		// 0xf000 higher-encoded versions.

		const raw = [
		'\|',
		'<',
		'>',
		'?'
		]

		const win = raw.map(char =>
		String.fromCharCode(0xf000 + char.charCodeAt(0)))

		const toWin = new Map(raw.map((char, i) => [char, win[i]]))
		const toRaw = new Map(win.map((char, i) => [char, raw[i]]))

		module.exports = {
		encode: s => raw.reduce((s, c) => s.split(c).join(toWin.get(c)), s),
		decode: s => win.reduce((s, c) => s.split(c).join(toRaw.get(c)), s)
		}

+7

-0

lib/unpack.js

		@@ -10,2 +10,3 @@ 'use strict'
		const mkdirSync = mkdir.sync
		const winchars = require('./winchars.js')

		@@ -52,2 +53,5 @@ const ONENTRY = Symbol('onEntry')

		// turn ><?\| in filenames into 0xf000-higher encoded forms
		this.win32 = !!opt.win32 \|\| process.platform === 'win32'

		// do not unpack over files that are newer than what's in the archive
		@@ -106,2 +110,5 @@ this.newer = !!opt.newer

		if (this.win32)
		entry.path = winchars.encode(entry.path)

		if (path.isAbsolute(entry.path))
		@@ -108,0 +115,0 @@ entry.absolute = entry.path

+2

-1

lib/write-entry.js

		@@ -26,2 +26,3 @@ 'use strict'
		const warner = require('./warn-mixin.js')
		const winchars = require('./winchars.js')

		@@ -58,3 +59,3 @@ const WriteEntry = warner(class WriteEntry extends MiniPass {
		if (this.win32) {
		this.path = this.path.replace(/\\/g, '/')
		this.path = winchars.decode(this.path.replace(/\\/g, '/'))
		p = p.replace(/\\/g, '/')
		@@ -61,0 +62,0 @@ }

+1

-1

package.json

+6

-1

README.md

		@@ -552,2 +552,5 @@ # node-tar
		in this implementation, and modes are set by default already.
		- `win32` True if on a windows platform. Causes behavior where
		filenames containing `<\|>?` chars are converted to
		windows-compatible values while being unpacked.

		@@ -657,3 +660,5 @@ ### class tar.Unpack.Sync
		- `win32` True if on a windows platform. Causes behavior where paths
		replace `\` with `/`.
		replace `\` with `/` and filenames containing the windows-compatible
		forms of `<\|>?` characters are converted to actual `<\|>?` characters
		in the archive.
		- `noPax` Suppress pax extended headers. Note that this means that
		@@ -660,0 +665,0 @@ long paths and linkpaths will be truncated, and large or negative

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