diff --git a/block-formatter.ts b/block-formatter.ts
index f396522..290731f 100644
--- a/block-formatter.ts
+++ b/block-formatter.ts
@@ -1,5 +1,6 @@
+import * as github from '@actions/github';
 import * as logfmt from 'logfmt';
-import matchAll from 'string.prototype.matchall'
+const matchAll = require('string.prototype.matchall')
 
 export const findCodeBlocks = (source: string): ([string, number])[] => {
     const pat = /(^```\r?\n)(.+?)^```/gms;
@@ -44,7 +45,6 @@ export const patchCodeBlocks = (source: string): [patched: string, patchCount: n
                 logFmtMatches++
                 return formatLogItem(time, level, msg, fields)
             } else {
-                console.log(`!LF: ${line}`)
                 // Did not include the usual log fields, probably not in logfmt, just skip it
                 return line
             }
@@ -59,4 +59,50 @@ export const patchCodeBlocks = (source: string): [patched: string, patchCount: n
 
     // Copy all unmatched lines after the last match
     return [patched + source.substring(sourcePos), logFmtMatches]
+}
+
+export const patchIssue = async (authToken: string, owner: string, repo: string, number: number) => {
+
+    console.log(`Retrieving details for issue #${number} in ${owner}/${repo}...`)
+
+    const octokit = github.getOctokit(authToken);
+
+    const response = await octokit.request("GET /repos/{owner}/{repo}/issues/{issue_number}", {
+        owner,
+        repo,
+        issue_number: number,
+    });
+
+    if(response.status != 200) {
+        throw new Error(`Failed to fetch issue data. Server responded with ${response.status}`)
+    }
+
+    const issue = response.data;
+
+    console.log(`Issue title: ${issue.title}`)
+    console.log(`Patching issue body...`)
+
+    const [patchedBody, patchCount] = patchCodeBlocks(issue.body);
+
+    if(patchCount < 1) {
+        console.log('No lines where patched. Skipping update.')
+        // No need to update the issue body, since we found no logfmt lines
+        return
+    }
+
+    console.log(`Patch count: ${patchCount}`)
+    console.log(`Saving issue body...`)
+
+    const saveResponse = await octokit.request('PATCH /repos/{owner}/{repo}/issues/{issue_number}', {
+        owner,
+        repo,
+        issue_number: number,
+        body: patchedBody,
+    })
+
+    if(saveResponse.status != 200) {
+        throw new Error(`Failed to save issue data. Server responded with ${response.status}`)
+    }
+
+    console.log('Done!')
 }
\ No newline at end of file
diff --git a/cli.ts b/cli.ts
new file mode 100644
index 0000000..f3dc964
--- /dev/null
+++ b/cli.ts
@@ -0,0 +1,14 @@
+import { patchIssue } from './block-formatter';
+
+if(process.argv.length != 6) {
+    console.log(process.argv)
+    console.log(`Usage:\ncli TOKEN OWNER REPO ISSUE`)
+} else {
+
+    const [, , authToken, owner, repo, number] = process.argv;
+
+    patchIssue(authToken, owner, repo, parseInt(number)).catch(error => {
+        console.error('Failed:', error.message)
+        process.exit(1)
+    })
+}
\ No newline at end of file
diff --git a/index.ts b/index.ts
index 66242f1..296f941 100644
--- a/index.ts
+++ b/index.ts
@@ -1,60 +1,13 @@
 import * as core from '@actions/core';
 import * as github from '@actions/github';
-import { patchCodeBlocks } from './block-formatter';
+import { patchIssue } from './block-formatter';
 
 (async () => {
 
     const authToken = core.getInput('repo-token');
 
-    const octokit = github.getOctokit(authToken);
-
     const {owner, repo, number} = github.context.issue;
 
-    console.log(`Repo: ${owner}/${repo}`)
-    console.log(`Issue: ${number}`)
-
-    console.log('Retrieving issue details...')
-
-    const response = await octokit.request("GET /repos/{owner}/{repo}/issues/{issue_number}", {
-        owner,
-        repo,
-        issue_number: number,
-    });
-
-    if(response.status != 200) {
-        core.setFailed(`Failed to fetch issue data. Server responded with ${response.status}`)
-    }
-
-    const issue = response.data;
-
-    console.log(`Issue title: ${issue.title}`)
-    console.log(`Issue body:\n${issue.body}\n`)
-    console.log(`Patching issue body...`)
-
-    const [patchedBody, patchCount] = patchCodeBlocks(issue.body);
-
-    if(patchCount < 1) {
-        console.log('No lines where patched. Skipping update.')
-        // No need to update the issue body, since we found no logfmt lines
-        return
-    }
-
-    console.log(`Patch count: ${patchCount}`)
-    console.log(`Saving issue body...`)
-
-    const saveResponse = await octokit.request('PATCH /repos/{owner}/{repo}/issues/{issue_number}', {
-        owner,
-        repo,
-        issue_number: number,
-        body: patchedBody,
-    })
-
-    console.log('Response:')
-    console.log(saveResponse.data)
-
-    if(saveResponse.status != 200) {
-        core.setFailed(`Failed to save issue data. Server responded with ${response.status}`)
-    }
-
-})().catch(error => core.setFailed(error.message))
+    await patchIssue(authToken, owner, repo, number)
 
+})().catch(error => core.setFailed(error.message))
\ No newline at end of file
diff --git a/package.json b/package.json
index 8647b21..3b11b7b 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "description": " GitHub Action for patching logfmt logs in issues",
   "repository": "https://github.com/containrrr/logmt-patcher",
-  "main": "index.ts",
+  "main": "cli.ts",
   "scripts": {
     "build": "ncc build index.ts --license licenses.txt",
     "test": "jest"