diff --git a/lib/system-status.js b/lib/system-status.js
index 8f61be5..918e1b8 100644
--- a/lib/system-status.js
+++ b/lib/system-status.js
@@ -29,14 +29,10 @@ customElements.define('system-status', class extends HTMLElement {
     super()
     this.zsh = false
     this.bash = false
-    this.paths = process.env.PATH.split(path.delimiter)
-    this.installed = this.paths.some((bin) => {
-      if (isWin === false) {
-        if (this.zsh === false && fs.existsSync(path.join(bin, 'zsh'))) this.zsh = true
-        if (this.bash === false && fs.existsSync(path.join(bin, 'bash'))) this.bash = true
-      }
-      return bin === BIN && fs.existsSync(path.join(BIN, isWin ? 'pear.cmd' : 'pear'))
-    })
+    this.statement = `export PATH="${BIN}":$PATH`
+    this.stmtrx = new RegExp(`^export PATH="${BIN}":\\$PATH$`, 'm')
+    this.shellProfiles = null
+    this.installed = this.#installed()
     this.template = document.createElement('template')
     this.template.innerHTML = `
     <div id="panel">
@@ -82,7 +78,7 @@ customElements.define('system-status', class extends HTMLElement {
     if (this.button) {
       const listener = () => {
         this.button.removeEventListener('click', listener)
-        this.#installPear()
+        this.#install()
           .then(() => {
             this.replaceWith(new this.constructor())
             console.log('now show version info, and a gif showing pear command line help output run through')
@@ -97,7 +93,31 @@ customElements.define('system-status', class extends HTMLElement {
     console.error(err)
   }
 
-  #installPear () {
+  #installed () {
+    if (isWin === false) {
+      let hasPear = false
+      this.shellProfiles = {}
+      for (const file of ['.zshrc', '.zshenv', '.zshprofile', '.zlogin', '.profile', '.bashrc']) {
+        const filepath = path.join(os.homedir(), file)
+        let contents = null
+        try { contents = fs.readFileSync(filepath, { encoding: 'utf-8' }) } catch {}
+        if (contents !== null) {
+          this.shellProfiles[file] = { filepath, hasPear: this.stmtrx.test(contents) }
+          hasPear = hasPear || this.shellProfiles[file].hasPear
+        }
+        console.log('hi', contents, hasPear, this.stmtrx, this.shellProfiles[file])
+      }
+      if (hasPear) process.env.PATH = `${BIN}:${process.env.PATH}`
+    }
+
+    this.paths = process.env.PATH.split(path.delimiter)
+
+    return this.paths.some((bin) => {
+      return bin === BIN && fs.existsSync(path.join(BIN, isWin ? 'pear.cmd' : 'pear'))
+    })
+  }
+
+  #install () {
     const runtime = path.join(config.pearDir, 'current', 'by-arch', process.platform + '-' + process.arch, 'bin', 'bare', 'pear')
     fs.mkdirSync(BIN, { recursive: true })
     if (isWin) {
@@ -127,25 +147,25 @@ customElements.define('system-status', class extends HTMLElement {
         })
       })
     }
+
+    const profiles = Object.values(this.shellProfiles)
+    if (profiles.length > 0) {
+      for (const { filepath, hasPear } of profiles) {
+        if (hasPear === false) fs.writeFileSync(filepath, this.statement, { flags: 'a' })
+      }
+    } else {
+      const bash = this.paths.some((bin) => fs.existsSync(path.join(bin, 'bash')))
+      const zsh = this.paths.some((bin) => fs.existsSync(path.join(bin, 'zsh')))
+      fs.writeFileSync(path.join(os.homedir(), bash ? '.bashrc' : '.profile'), this.statement + '\n')
+      if (zsh) fs.writeFileSync(path.join(os.homedir(), '.zshrc'), this.statement + '\n')
+    }
+
     const pear = path.join(BIN, 'pear')
     const tmp = path.join(BIN, Math.floor(Math.random() * 1000) + '.pear')
     fs.symlinkSync(runtime, tmp)
     fs.renameSync(tmp, pear)
     fs.chmodSync(pear, 0o755)
 
-    let shellProfileExists = false
-    const statement = `\nexport PATH="${BIN}":$PATH\n`
-    for (const file of ['.zshrc', '.zshenv', '.zshprofile', '.zlogin', '.profile', '.bashrc']) {
-      const filepath = path.join(os.homedir(), file)
-      if (fs.existsSync(filepath)) {
-        fs.writeFileSync(filepath, statement, { flag: 'a' })
-        shellProfileExists = true
-      }
-    }
-    if (shellProfileExists === false) {
-      fs.writeFileSync(path.join(os.homedir(), this.bash ? '.bashrc' : '.profile'), statement, { flag: 'a' })
-      if (this.zsh) fs.writeFileSync(path.join(os.homedir(), '.zshrc'), statement, { flag: 'a' })
-    }
     process.env.PATH = `${BIN}:${process.env.PATH}`
     return Promise.resolve()
   }