Code files

2017-07-31 11:33:31 +05:30
parent 073a63ebdd
commit b9ae409ec0
801 changed files with 17535 additions and 0 deletions
@@ -0,0 +1,17 @@
+'use strict'
+
+const fs = require('fs')
+
+const exists = (file) => new Promise((resolve, reject) => {
+  fs.access(file, (err) => {
+    if (err) {
+      if (err.code !== 'ENOENT') { return reject(err) }
+      return resolve({file, exists: false})
+    }
+    resolve({file, exists: true})
+  })  
+})
+
+exists(process.argv[2])
+  .then(({file, exists}) => console.log(`"${file}" does${exists ? '' : ' not'} exist`))
+  .catch(console.error)
@@ -0,0 +1,66 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const tableaux = require('tableaux')
+
+const write = tableaux(
+  {name: 'Name', size: 20},
+  {name: 'Created', size: 30},
+  {name: 'Inode', size: 10},
+  {name: 'Mode', size: 8},
+  {name: 'Lnks', size: 4},
+  {name: 'Size', size:  6}
+)
+
+function print(dir) {
+  fs.readdirSync(dir)
+    .map((file) => ({file, dir}))
+    .map(toMeta)
+    .forEach(output)
+  write.newline()
+}
+
+function toMeta({file, dir}) {
+  const stats = fs.lstatSync(path.join(dir, file))
+  let {birthtime, ino, mode, nlink, size} = stats
+  birthtime = birthtime.toUTCString()
+  mode = mode.toString(8)
+  size += 'B'
+  return {
+    file,
+    dir,
+    info: [birthtime, ino, mode, nlink, size],
+    isDir: stats.isDirectory(),
+    isSymLink: stats.isSymbolicLink()
+  }
+}
+
+function output({file, dir, info, isDir, isSymLink}) {
+  if (isSymLink) {
+    outputSymlink(file, dir, info)
+    return
+  }
+  write(file, ...info)
+  if (!isDir) { return }
+  const p = path.join(dir, file)
+  write.arrow()
+  fs.readdirSync(p).forEach((f) => {
+    const stats = fs.lstatSync(path.join(p, f))
+    const style = stats.isDirectory() ? 'bold' : 'dim'
+    if (stats.isSymbolicLink()) { f = '\u001b[33m' + f + '\u001b[0m'}
+    write[style](f)
+  })
+  write.newline()
+}
+
+function outputSymlink(file, dir, info) {
+  write('\u001b[33m' + file + '\u001b[0m', ...info)
+  process.stdout.write('\u001b[33m')
+  write.arrow(4)
+  write.bold(fs.readlinkSync(path.join(dir, file)))
+  process.stdout.write('\u001b[0m')
+  write.newline()
+}
+
+print(process.argv[2] || '.')
@@ -0,0 +1 @@
+/tmp
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+my-symlink
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+my edit
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+another-file
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+my-file
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+../meta.js
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+my-subdir/my-subsubdir/too-deep
@@ -0,0 +1,26 @@
+'use strict'
+
+const fs = require('fs')
+const {execSync} = require('child_process')
+
+const file = process.argv[2]
+if (!file) { 
+  console.error('specify a file')
+  process.exit(1)
+}
+try {
+  fs.accessSync(file)
+  console.error('file already exists')
+  process.exit(1)
+} catch (e) {
+  makeIt()
+}
+
+function makeIt() {
+  const nobody = Number(execSync('id -u nobody').toString().trim())
+  const fd = fs.openSync(file, 'w')
+  fs.fchmodSync(fd, 0)
+  fs.fchownSync(fd, nobody, nobody)
+  console.log(file + ' created')
+}
+
@@ -0,0 +1,25 @@
+'use strict'
+
+const fs = require('fs')
+const {execSync} = require('child_process')
+
+const file = process.argv[2]
+if (!file) { 
+  console.error('specify a file')
+  process.exit(1)
+}
+try {
+  fs.accessSync(file)
+  console.error('file already exists')
+  process.exit(1)
+} catch (e) {
+  makeIt()
+}
+
+function makeIt() {
+  const nobody = Number(execSync('id -u nobody').toString().trim())
+  fs.writeFileSync(file, '')
+  fs.chownSync(file, nobody, nobody)
+  fs.chmodSync(file, 0)
+  console.log(file + ' created')
+}
@@ -0,0 +1,51 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const tableaux = require('tableaux')
+
+const write = tableaux(
+  {name: 'Name', size: 20},
+  {name: 'Created', size: 30},
+  {name: 'Inode', size: 10},
+  {name: 'Mode', size: 8},
+  {name: 'Lnks', size: 4},
+  {name: 'Size', size:  6}
+)
+
+function print(dir) {
+  fs.readdirSync(dir)
+    .map((file) => ({file, dir}))
+    .map(toMeta)
+    .forEach(output)
+  write.newline()
+}
+
+function toMeta({file, dir}) {
+  const stats = fs.statSync(path.join(dir, file))
+  let {birthtime, ino, mode, nlink, size} = stats
+  birthtime = birthtime.toUTCString()
+  mode = mode.toString(8)
+  size += 'B'
+  return {
+    file,
+    dir,
+    info: [birthtime, ino, mode, nlink, size],
+    isDir: stats.isDirectory()
+  }
+}
+
+function output({file, dir, info, isDir}) {
+  write(file, ...info)
+  if (!isDir) { return }
+  const p = path.join(dir, file)
+  write.arrow()
+  fs.readdirSync(p).forEach((f) => {
+    const stats = fs.statSync(path.join(p, f))
+    const style = stats.isDirectory() ? 'bold' : 'dim'
+    write[style](f)
+  })
+  write.newline()
+}
+
+print(process.argv[2] || '.')
@@ -0,0 +1 @@
+my edit
@@ -0,0 +1 @@
+my-file
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+{
+  "name": "fetching-meta-data",
+  "version": "1.0.0",
+  "description": "",
+  "main": "meta.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "David Mark Clements",
+  "license": "MIT",
+  "dependencies": {
+    "tableaux": "^1.0.1"
+  }
+}