v1.0 ready for release.

.gitignore

+## .gitignore
+
+# (sync-const-skel .gitignore 0.7.0)
+
+# Backups.
+*~
+*.bak
+
+# npm and Bower.
+bower_components
+node_modules
+npm-debug.log
+
+# Generated.
+dist
+.last-env

README.md

+# WPsuck
+#> CLI to R/W WP posts to/from local HTML file.
+
+A hack around the WordPress editor's (raw/HTML mode) problems. [Explanation](https://decodecode.net/elitist/2019/07/wpsuck/) posted to my devlog.
+
+## Synopsis
+
+	$ wpsuck --down=post.html --post_id=961 --website=https://decodecode.net/elitist --user=$U --password=$P
+
+	$ wpsuck --up=post.html
+
+	$ wpsuck --help
+
+## Installation
+
+1. Download the code
+2. Assuming ~/bin/ is your $PATH:
+
+	$ ln --symbolic $PWD/wpsuck.coffee ~/bin/wpsuck
+
+## Development
+
+https://gitlab.com/decodecode/wpsuck
+
+Feedback welcome!
+
+## Release notes
+
+### 1.0.0, released 2019-07-02
+
+- Seems useful and stable enough. ;o)

package-lock.json

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+			"integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+			"requires": {
+				"punycode": "2.1.1"
+			}
+		},
+		"uuid": {
+			"version": "3.3.2",
+			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+			"integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+		},
+		"verror": {
+			"version": "1.10.0",
+			"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+			"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+			"requires": {
+				"assert-plus": "1.0.0",
+				"core-util-is": "1.0.2",
+				"extsprintf": "1.3.0"
+			}
+		}
+	}
+}

package.json

+{
+	"name": "wpsuck",
+	"version": "1.0.0",
+	"description": "Script (CLI) to download/upload WP posts to/from local HTML file.",
+	"keywords": [
+		"cli",
+		"wordpress",
+		"rest"
+	],
+	"homepage": "https://decodecode.net/elitist/2019/07/wpsuck/",
+	"private": true,
+	"author": "Ilan <ilan@decodecode.net>",
+	"license": "WTFPL",
+	"repository": {
+		"type": "git",
+		"url": "https://gitlab.com/decodecode/wpsuck.git"
+	},
+	"bugs": "https://gitlab.com/decodecode/wpsuck/issues",
+	"engines": {},
+	"main": "wpsuck.coffee",
+	"scripts": {},
+	"dependencies": {
+		"coffee-script": "1.12.x",
+		"fs-extra": "8.0.x",
+		"minimist": "1.2.0",
+		"promise": "8.0.3",
+		"request": "2.88.0"
+	},
+	"devDependencies": {
+	}
+}

wpsuck.coffee

+#!/usr/bin/env coffee
+# WPsuck
+#> CLI to R/W WP posts to/from local HTML file.
+
+### Synopsis
+```$ wpsuck --down=post.html --post_id=961 --website=https://decodecode.net/elitist --user=$U --password=$P
+
+$ wpsuck --up=post.html
+
+$ wpsuck --help
+```
+
+For more about this hack see my devlog: https://decodecode.net/elitist/2019/07/wpsuck/ .
+###
+
+## Dependencies
+assert=require 'assert'
+fse=require 'fs-extra' # Promisified fs.
+#? require colors?
+
+## Parse CLI
+argv=(require 'minimist') process.argv.slice 2
+
+# Configure obvious request options.
+request=(require 'request').defaults gzip:yes # Sure, optimize.
+
+## Polyfills (because might run this with ancient Node).
+String::endsWith?=(suffix)->suffix is @substring @length-suffix.length
+String::startsWith?=(prefix)->prefix is @substring 0,prefix.length
+unless Promise then Promise=require 'promise' # (Can't use ?= on variables, only attributes.)
+
+## Utils
+strip_trailing=(t,s)->if s.endsWith t then s.slice 0,-t.length else s
+
+## API
+wpsuck_api=
+
+## `down`
+# @returns (promise of) post's HTML content as string.
+#? Should return entire post's JSON, so API users can work with, eg, title, not just content!
+	down:(website,auth,post_id)->
+		return new Promise (resolve,reject)->
+			assert website and auth and post_id,"ERROR: invalid options: #{JSON.stringify argv}."
+			url=(strip_trailing '/',website)+'/wp-json/wp/v2/posts/'+post_id
+			options={url,auth}
+			unless argv.quiet then console.error "request.GET #{url} …"
+			request.get options,(error,response,body)->
+				body=JSON.parse body #? Why instead json:true?
+				if error
+				then reject error
+				else unless body.content?.rendered
+				then reject body
+				else resolve body.content.rendered
+
+## `up`
+	up:(website,auth,post_id,data)->
+		return new Promise (resolve,reject)->
+			assert website and auth and post_id and data,"ERROR: invalid parameters: #{JSON.stringify {website,auth,post_id,data}}."
+			url=(strip_trailing '/',website)+'/wp-json/wp/v2/posts/'+post_id
+			options={url,auth,body:data,json:yes}
+			unless argv.quiet then console.error "request.POST #{url} …"
+			request.post options,(error,response,body)->
+				#?console.log response
+				#?body=JSON.parse body
+				if error
+				then reject error
+				else unless response.statusCode is 200
+				then reject body
+				else resolve body
+
+## Action!
+if argv.website and not argv['force-unsafe'] then assert argv.website.startsWith 'https://',"ERROR: must use HTTPS! Because credentials passed in clear text. \"#{website}\". (Workaround with --force-unsafe.)" #? .red?
+
+switch
+	when argv.help
+		#? Seems I won't be doing I/O with stdin/stdout, so messages to stderr seem pointless?
+		console.error '''--down TO_FILE: download post content and save TO_FILE, or stdout.
+		--up FROM_FILE: upload content from FROM_FILE
+		--website URL: must start with "https"
+		--user USER
+		--password PASS
+		--post_id ID
+		--force-unsafe: don\'t insist on HTTPS
+		--quiet: less verbose
+		--help: display this'''
+
+	when argv.down
+		{website,user,password,post_id}=argv
+		assert website and user and password and post_id,"ERROR: invalid options: #{JSON.stringify argv}."
+		unless argv.quiet then console.error 'Downloading…'
+		auth={user,password} # HTTP Basic.
+		wpsuck_api
+		.down website,auth,post_id
+		.then ((content)->
+			unless argv.quiet then console.error "Content received: #{content.length} bytes."
+			# Save configuration to output: prepend to content as HTML comment.
+			config="<!--#{JSON.stringify {website,user,password,post_id}}-->\n"
+			fse.writeFile argv.down,config+content
+			.then (->unless argv.quiet then console.error ';o)' #? .green?
+			),(reason)->console.error 'ERROR: saving to file failed!\n',reason
+		),(reason)->console.error 'ERROR: downloading failed!\n',reason
+
+	when argv.up
+		unless argv.quiet then console.log 'Uploading…'
+		# Extract configuration from file:
+		fse.readFile argv.up,'utf8'
+		.then ((f)->
+			unless argv.quiet then console.error f.length,'bytes read.'
+			m=/<!--(.+)-->\n([^]+)/.exec f
+			{website,user,password,post_id}=JSON.parse m[1]
+			assert website and user and password and post_id,"ERROR: invalid configuration: \"#{m[1]}\"."
+
+			#? … Override from CLI, or environment?
+			#?{user,password}=argv
+			auth={user,password} # HTTP Basic.
+			# Payload must follow schema spec…
+			payload=content:m[2] #?payload=JSON.stringify content:m[2]
+			wpsuck_api
+			.up website,auth,post_id,payload
+			.then ((body)->unless argv.quiet then console.error ';o)' #? .green? #? console.log body
+			),(reason)->console.error 'ERROR: uploading failed!\n',reason
+		),(reason)->console.error 'ERROR: can\'t read file!\n',reason
+
+	else
+		console.error 'ERROR: missing command! Must specify either --up or --down. See --help.'