diff --git a/.travis.yml b/.travis.yml
index c9ce6471..b3d14e04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,5 +10,7 @@ before_install:
 
 script:
   - xmllint --schema http://pkp.sfu.ca/ojs/xml/plugins.xsd ./plugins.xml --noout
-  - mkdir out && node ./scripts/extractPluginReleaseData.js
-  - bash ./scripts/checkMD5.sh < ./out/packages-md5sums.txt
+  - npm install pkp-plugin-cli
+  - pwd
+  - ls ~
+  - node ./node_modules/pkp-plugin-cli validate-releases --input $TRAVIS_BUILD_DIR/plugins.xml --output $TRAVIS_BUILD_DIR/plugins-output.txt
diff --git a/package-lock.json b/package-lock.json
index b9e58434..4e378b7e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,20 +1,80 @@
 {
-  "name": "plugins-registry",
-  "version": "0.0.1",
-  "lockfileVersion": 1,
   "requires": true,
+  "lockfileVersion": 1,
   "dependencies": {
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ=="
+    },
+    "ansi-styles": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
+      "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==",
+      "requires": {
+        "@types/color-name": "^1.1.1",
+        "color-convert": "^2.0.1"
+      }
+    },
+    "chalk": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.0.0.tgz",
+      "integrity": "sha512-N9oWFcegS0sFr9oh1oz2d7Npos6vNoWW9HvtCg5N1KRFpUhaAhvTv5Y58g880fZaEYSNm3qDz8SU1UrGvp+n7A==",
+      "requires": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      }
+    },
+    "color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "requires": {
+        "color-name": "~1.1.4"
+      }
+    },
+    "color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+    },
+    "has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
+    },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+    },
+    "pkp-plugin-cli": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/pkp-plugin-cli/-/pkp-plugin-cli-0.0.6.tgz",
+      "integrity": "sha512-hLm2p3JM7n4FE8zQVGCscS6ei9dil05VdVk9iIwcqmhVCKOzxZA2RqSZXXg+RF8mMcgX/KehC2SKiRXBhmIdTg==",
+      "requires": {
+        "chalk": "^4.0.0",
+        "minimist": "^1.2.5",
+        "xml2js": "^0.4.23"
+      }
+    },
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==",
-      "dev": true
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
+    "supports-color": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
+      "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+      "requires": {
+        "has-flag": "^4.0.0"
+      }
     },
     "xml2js": {
       "version": "0.4.23",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
       "integrity": "sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==",
-      "dev": true,
       "requires": {
         "sax": ">=0.6.0",
         "xmlbuilder": "~11.0.0"
@@ -23,8 +83,7 @@
     "xmlbuilder": {
       "version": "11.0.1",
       "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
-      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==",
-      "dev": true
+      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="
     }
   }
 }
diff --git a/package.json b/package.json
deleted file mode 100644
index 42df3100..00000000
--- a/package.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "name": "plugins-registry",
-  "version": "0.0.1",
-  "description": "Plugins registry for PKP",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/kabaros/plugins-registry.git"
-  },
-  "author": "",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/kabaros/plugins-registry/issues"
-  },
-  "homepage": "https://github.com/kabaros/plugins-registry#readme",
-  "devDependencies": {
-    "xml2js": "^0.4.23"
-  }
-}
diff --git a/plugins-output.txt b/plugins-output.txt
new file mode 100644
index 00000000..5894d2b4
--- /dev/null
+++ b/plugins-output.txt
@@ -0,0 +1,138 @@
+09c6cff1b9bd544e41cd22a3ebe41088:https://github.com/asmecher/hypothesis/releases/download/ojs-3_0_2-0/hypothesis-ojs-3_0_2-0.tar.gz
+c812e14336807a5704af34c39b9b5518:https://github.com/asmecher/hypothesis/releases/download/ojs-3_1_0-0/hypothesis-ojs-3_1_0-0.tar.gz
+31171a9a889104e41fac5136ec41050b:https://github.com/asmecher/hypothesis/releases/download/ojs-3_1_1-0/hypothesis-ojs-3_1_1-0.tar.gz
+5bf045d0490284044125d398e2cea41b:https://github.com/asmecher/hypothesis/releases/download/v1.0.2-0/hypothesis-v1.0.2-0.tar.gz
+19eacf80af7762b9d4af071cb6e20ec7:https://github.com/pkp/shibboleth/releases/download/ojs-3_1_0-0-1/shibboleth-ojs-3_1_0-0-1.tar.gz
+fb653b21371b2dbfa3e30987afa3c9bf:https://github.com/pkp/shibboleth/releases/download/3_1_2-0/shibboleth-3_1_2-0.tar.gz
+83c417e1e6ebfe36e46808a59a23f1bc:https://github.com/pkp/translator/releases/download/v2.0.2-0/translator-v2.0.2-0.tar.gz
+53255f015f44a58d9cf096bb6677764d:https://github.com/pkp/translator/releases/download/v2.0.3-0/translator-v2.0.3-0.tar.gz
+5cb6d2e26f113bfb3e632f3995b19568:https://github.com/pkp/translator/releases/download/v2.0.3-1/translator-v2.0.3-1.tar.gz
+77dca726d9c71e7b00665b90c6307c5f:https://github.com/asmecher/backup/releases/download/v2_0_0-0/backup-v2_0_0-0.tar.gz
+54e5f2551affd8501c4407296fc5652b:https://github.com/asmecher/backup/releases/download/v2.0.1-0/backup-v2.0.1-0.tar.gz
+f8ab52547291086c449df8ce572cb0cc:https://github.com/asmecher/backup/releases/download/v2.0.2-0/backup-v2.0.2-0.tar.gz
+1989c382059e9ba9225b8760027faee3:https://github.com/asmecher/backup/releases/download/v2.0.2-1/backup-v2.0.2-1.tar.gz
+bea113ea0d9fe4096e7f3ecf25d691b3:https://github.com/asmecher/plagiarism/releases/download/v1.0.1/plagiarism-v1.0.1.tar.gz
+0549917599628769f912c8f190997781:https://github.com/asmecher/plagiarism/releases/download/v1.0.2/plagiarism-v1.0.2.tar.gz
+8594ef65da0d3220e5ad107348c4feda:https://github.com/asmecher/plagiarism/releases/download/v1.0.3-0/plagiarism-v1.0.3-0.tar.gz
+95d7140b05ac97c89dc14e2e76dff967:https://github.com/pkp/coins/releases/download/coins-1_0_1-0/coins-1_0_1-0.tar.gz
+1093dc59a8cfe975f86db524e8840083:https://github.com/pkp/coins/releases/download/v1.0.2-1/coins-v1.0.2-1.tar.gz
+fe9cfb9c30ea14060f1b1c3aea8181f5:https://github.com/pkp/coins/releases/download/v1.0.3-0/coins-v1.0.3-0.tar.gz
+3047c425524b86fe035d0ff19e380926:https://github.com/pkp/quickSubmit/releases/download/ojs-3_0_2-0/quickSubmit-ojs-3_0_2-0.tar.gz
+6a083c20c06d8bc1867e02f83561836b:https://github.com/pkp/quickSubmit/releases/download/ojs-3_1_0-0/quickSubmit-ojs-3_1_0-0.tar.gz
+d5346903712fe0f73e62ccdc256db9eb:https://github.com/pkp/quickSubmit/releases/download/ojs-3_1_1-0/quickSubmit-ojs-3_1_1-0.tar.gz
+05dfaaa334d65a498dda2a076ba4242b:https://github.com/pkp/quickSubmit/releases/download/v1.0.3-0/quickSubmit-v1.0.3-0.tar.gz
+775cfc6648e1b646a678895f19f71fa5:https://github.com/pkp/quickSubmit/releases/download/v1.0.4-0/quickSubmit-v1.0.4-0.tar.gz
+80eb29c3ea700aa6498674f8dac6b229:https://github.com/pkp/quickSubmit/releases/download/v1.0.4-1/quickSubmit-v1.0.4-1.tar.gz
+d36826c87d8de74c380c9536a922b83a:https://github.com/pkp/quickSubmit/releases/download/v1.0.5-0/quickSubmit-v1.0.5-0.tar.gz
+c73a7198df995805463573ce1c9fef30:https://github.com/pkp/quickSubmit/releases/download/v1.0.5-1/quickSubmit-v1.0.5-1.tar.gz
+f28b95494565ce4b202a169b03263f01:https://github.com/pkp/quickSubmit/releases/download/v1.0.5-2/quickSubmit-v1.0.5-2.tar.gz
+2379aae7ef7685186b19c015d7c84ecc:https://github.com/ajnyga/allowedUploads/releases/download/v.1.0/allowedUploads.tar.gz
+f5e922bb0b76929bad544f9801efab68:https://github.com/ajnyga/allowedUploads/releases/download/v.1.0.0.2/allowedUploads.tar.gz
+f518e21a670df0ae612b3d15a1c49f59:https://github.com/ajnyga/allowedUploads/releases/download/1.0.0.5/allowedUploads.tar.gz
+575420845fd2639f2b60d21a08d5cfe1:https://github.com/pkp/piwik/releases/download/piwik-1_0_0/piwik-1.0.0.tar.gz
+cc5c4235d82e70a4a854147fee58ebbe:https://github.com/pkp/piwik/releases/download/ojs-3_1_0-0/piwik-ojs-3_1_0-0.tar.gz
+054c65ea07a2a4a8b805db0575adca28:https://github.com/pkp/piwik/releases/download/ojs-3_1_1-0/piwik-ojs-3_1_1-0.tar.gz
+a5f116e1b19f5064f72fa4fc78df97d1:https://github.com/pkp/piwik/releases/download/v1.0.2-0/piwik-v1.0.2-0.tar.gz
+a195e3ac91d0b3a20d02bf10d883d147:https://github.com/pkp/piwik/releases/download/v1.0.2-1/piwik-v1.0.2-1.tar.gz
+ec4692f8af11800ee3771525be3d2bb2:https://github.com/pkp/piwik/releases/download/v1.0.3-0/piwik-v1.0.3-0.tar.gz
+e9f2bc26611a4d5632c91257c2edc73f:https://github.com/ojsde/shariff/archive/v2_4_6.tar.gz
+3ef89ae22808efc5ead47e8b636ec324:https://github.com/ojsde/shariff/releases/download/v2_4_8/shariff-2_4_8.tar.gz
+24988859a0d44b36b3ef8d06ae3a80a0:https://github.com/ojsde/shariff/releases/download/v3_0_0/shariff-3_0_0.tar.gz
+1b6a84b416f5ccc914a5169db2f75881:https://github.com/pkp/addThis/releases/download/1_0_0-0/addThis-3.1.tar.gz
+b7d5bc3476588e067d8e4beccfb34b31:https://github.com/pkp/addThis/releases/download/ojs-3_1_0-0/addThis-ojs-3_1_0-0.tar.gz
+d735d48687ec298c271d29737f4e53d4:https://github.com/pkp/addThis/releases/download/ojs-3_1_1-0/addThis-ojs-3_1_1-0.tar.gz
+f26660a3ad4a5dec7f1c78c366472b14:https://github.com/pkp/addThis/releases/download/v1.0.2-0/addThis-v1.0.2-0.tar.gz
+afcb49344e6413bf7f9133dd0b828954:https://github.com/pkp/addThis/releases/download/v1.0.3-0/addThis-v1.0.3-0.tar.gz
+0a522fdd05358aceee508ca1070da776:https://github.com/a-vodka/ojs_copernicus_export_plugin/releases/download/0.0.3/copernicus-ojs3-0.0.3.tar.gz
+46e9ec82eaaced97fbdc0337674ca651:https://github.com/a-vodka/ojs_copernicus_export_plugin/releases/download/0.0.4/copernicus-ojs3-0.0.4.tar.gz
+5ba2efb9e8ca18937258e89011fbfe25:https://github.com/asmecher/subscriptionSSO/releases/download/1_0_1-0/subscriptionSSO-1_0_1-0.tar.gz
+3f117d48ecf9e558ff61bd7dafece333:https://github.com/asmecher/subscriptionSSO/releases/download/v1.0.2-0/subscriptionSSO-v1.0.2-0.tar.gz
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+d73dbcc9090c23479dfe885171603041:https://github.com/ajnyga/funding/releases/download/2.1.1.5/funding.tar.gz
+ba994ac810d5d1d22e2fbda5a7f5c4af:https://github.com/ajnyga/funding/releases/download/2.1.2.4/funding.tar.gz
+a6bda6d071894aa276116507e1d01345:https://github.com/ajnyga/funding/releases/download/2.1.3.1/funding.tar.gz
+84d55e711ee08c948d69dc37d6075ef1:https://github.com/asmecher/customHeader/releases/download/ojs-3_1_0-0/customHeader-ojs-3_1_0-0.tar.gz
+e577a0ace206ae3fe9a4351806dee69a:https://github.com/asmecher/customHeader/releases/download/v1.0.1-0/customHeader-v1.0.1-0.tar.gz
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+19dea29a4dc422bcdab1048cccf237ef:https://github.com/asmecher/jatsTemplate/releases/download/v1_0_0-0/jatsTemplate-v1_0_0-0.tar.gz
+352cbc0f6278170716c20e3d7d1a1e00:https://github.com/pkp/jatsTemplate/releases/download/v1_0_1-0/jatsTemplate-v1_0_1-0.tar.gz
+6849b1c5c266041e2fae10884cd46d34:https://github.com/pkp/jatsTemplate/releases/download/v1.0.2-0/jatsTemplate-v1.0.2-0.tar.gz
+fa5789bb3673a5924b0a94f2cb3307dd:https://github.com/asmecher/sword/releases/download/v1.0.0-1/sword-v1.0.0-1.tar.gz
+3c96e83eeba807f5b2bad9aa867b43e9:https://github.com/asmecher/sword/releases/download/v1.0.1-0/sword-v1.0.1-0.tar.gz
+4df54a126d6d1c7181402bf11dbb360a:https://github.com/asmecher/sword/releases/download/v1.0.1-1/sword-v1.0.1-1.tar.gz
+ee1aab70308821d1a3f5ee5ecbb7bdc1:https://github.com/asmecher/sword/releases/download/v1.0.2-0/sword-v1.0.2-0.tar.gz
+208a5e36a01268477140a77eb4d24f77:https://github.com/pkp/sword/releases/download/v1.0.2-1/sword-v1.0.2.1.tar.gz
+1eb19a7db060f5e354cd46d04c17aeb7:https://github.com/pkp/oaiJats/releases/download/v1.0.0.0/oaiJats-v1.0.0.0.tar.gz
+4e0c62d41b72065136aef184fa2b00c6:https://github.com/pkp/oaiJats/releases/download/v1_0_1-0/oaiJats-v1_0_1-0.tar.gz
+d56d784d691333748e6e94b9ca70c903:https://github.com/pkp/oaiJats/releases/download/v1.0.2-0/oaiJats-v1.0.2-0.tar.gz
+81bd132c6c878458899ac5d693680947:https://github.com/ali-sokhandan/ojs3-keywordcloud-plugin/releases/download/1.0.0.1/keywordCloud.tar.gz
+aa5186de480b3cf64b47db156b6f607c:https://github.com/lepidus/ojs3-keywordcloud-plugin/releases/download/1.0.0.2/keywordCloud.tar.gz
+92612d832729a7d43381d23551634bc9:https://github.com/NateWr/bootstrap3/releases/download/3.1.2/bootstrap3-3.1.2.tar.gz
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+921b5bffec98a58e4a5c340df0f33c88:https://github.com/pkp/classic/releases/download/1.0.0-1/classic-1.0.0.tar.gz
+86a656bfbad1398f62aea405b0176c88:https://github.com/pkp/classic/releases/download/1.0.0-2/classic-1.0.0-2.tar.gz
+21f7ad108ebd781ae302d582e8bacb6c:https://github.com/pkp/classic/releases/download/1.0.1/classic-1.0.1.tar.gz
+dd2827322475689e45a29a2a92c9223a:https://github.com/pkp/classic/releases/download/1.0.3/classic-1.0.3.0.tar.gz
+2a28097057cb44cd57b034fe50853370:https://github.com/pkp/classic/releases/download/1.0.3-1/classic-1.0.3-1.tar.gz
+a131b0b5fcea8e422b38bda3ceead2f5:https://github.com/pkp/healthSciences/releases/download/1.0.0/healthSciences-v1.0.0.tar.gz
+f32a0b4ac8bc59bf7524aed00d740a1f:https://github.com/pkp/healthSciences/releases/download/1.0.1/healthSciences-v1.0.1.tar.gz
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diff --git a/scripts/checkMD5.sh b/scripts/checkMD5.sh
deleted file mode 100644
index ccda1009..00000000
--- a/scripts/checkMD5.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/bash
-
-# The file out/packages-md5sums.txt contains a list of all plugins with their MD5 sums, in the format:
-# release_url:md5sum
-# This script goes through all the files in the list, downloads the release from release_url,
-# calculates the MD5 sum, and compare it to the md5 hash in plugins.xml 
-files_with_errors_count=0
-
-while IFS=':' read -r expected_mdsum url
-do
-    md5_result="$(curl -L -m 5 --silent $url | md5sum | awk '{print $1}')"
-    echo "✓ ${url}"
-    if [ "$md5_result" != "$expected_mdsum" ]; then
-        files_with_errors_count=$((files_with_errors_count+1))
-        echo "✘ ${url} (Excpected: '${expected_mdsum}', Actual: '${md5_result}')"
-    fi
-done
-
-if [[ "$files_with_errors_count" -gt 0 ]]; then
-    echo "$files_with_errors_count plugins did not have the correct md5 sum"
-    exit 1
-fi
diff --git a/scripts/extractPluginReleaseData.js b/scripts/extractPluginReleaseData.js
deleted file mode 100644
index 51a0304d..00000000
--- a/scripts/extractPluginReleaseData.js
+++ /dev/null
@@ -1,41 +0,0 @@
-const { readFile, writeFile } = require('./helpers')
-const xml2js = require('xml2js')
-const parser = new xml2js.Parser()
-
-const args = {
-  filePath: process.argv[2] || `${__dirname}/../plugins.xml`
-}
-
-/**
- * The function loops through the plugins and their releases and creates a text file containing a list
- * of the releases and their MD5 sums This is then consument by the bash script "checkMD5sum" that
- * downloads all the releases and compares their MD5 sums with the content of the generated file
- *
- * @param {string} filePath the path to the file to parse and extract the releases info from
- */
-const extractData = async filePath => {
-  const xml = await readFile(filePath)
-  try {
-    const result = await parser.parseStringPromise(xml)
-
-    let packagesWithSums = ''
-
-    result.plugins.plugin.forEach(plugin => {
-      const pluginName = plugin.name[0]._
-      plugin.release.forEach(release => {
-        if (release.package.length > 1)
-          throw 'Each release should have one package'
-
-        const expectedMd5Sum = release.$.md5
-        const version = release.$.version
-
-        packagesWithSums += expectedMd5Sum + ':' + release.package[0] + '\n'
-      })
-    })
-    writeFile(__dirname + '/../out/packages-md5sums.txt', packagesWithSums)
-  } catch (err) {
-    throw err
-  }
-}
-
-extractData(args.filePath)
diff --git a/scripts/helpers.js b/scripts/helpers.js
deleted file mode 100644
index 99a6ab96..00000000
--- a/scripts/helpers.js
+++ /dev/null
@@ -1,27 +0,0 @@
-const fs = require('fs')
-
-const readFile = (fileName, encoding = 'utf8') => {
-  return new Promise((resolve, reject) => {
-    fs.readFile(fileName, encoding, (err, data) => {
-      if (err) {
-        console.error(err)
-        return reject(err)
-      }
-      return resolve(data)
-    })
-  })
-}
-
-const writeFile = (fileName, content, encoding = 'utf8') => {
-  return new Promise((resolve, reject) => {
-    fs.writeFile(fileName, content, encoding, err => {
-      if (err) {
-        console.error(err)
-        return reject(err)
-      }
-      return resolve()
-    })
-  })
-}
-
-module.exports = { readFile, writeFile }