diff --git a/custom_bin/changebaud.sh b/custom_bin/changebaud.sh
index c2dab30..98aac16 100644
--- a/custom_bin/changebaud.sh
+++ b/custom_bin/changebaud.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 function subprocess() {
     echo -e "\nChanging ESPBAUD\n\t1: 9600\n\t2: 115200\n\t3: 230400\n\t4: 460800\n\t5: 1152000\n\t6: 1500000\n\nEnter Selection: "
     read baudRate
diff --git a/custom_bin/changeesp.sh b/custom_bin/changeesp.sh
index c26fef3..7d7fc86 100644
--- a/custom_bin/changeesp.sh
+++ b/custom_bin/changeesp.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 function getTargets() {
     tmpFile='/tmp/targets.tmp'
     idf.py --preview --list-targets > "$tmpFile"
diff --git a/custom_bin/changeport.sh b/custom_bin/changeport.sh
index 5a7b5f2..d7378d1 100644
--- a/custom_bin/changeport.sh
+++ b/custom_bin/changeport.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 function subprocess() {
     echo -e "\nChanging ESPPORT\n"
     echo -e "\nChecking for Serial Devices in dmesg\n"
@@ -12,7 +13,7 @@ function subprocess() {
     if [ $COUNTER -gt 0 ]; then
         echo -e "\nEnter TTY Number You'd Like:"
         read tty
-        ttyselect=$devarr[(($tty+1))]
+        ttyselect=$devarr[$tty+1]
     else 
         echo -e "\nNo Serial Devices Found, Select one later with 'changeport'\n"
 fi
diff --git a/custom_bin/espinfo b/custom_bin/espinfo
index 82f4d28..bb9a28d 100644
--- a/custom_bin/espinfo
+++ b/custom_bin/espinfo
@@ -1,3 +1,4 @@
+#!/bin/bash
 echo "esp-idf-tools install dir (\$ESPIDFTOOLS_INSTALLDIR): $ESPIDFTOOLS_INSTALLDIR"
 echo "esp-idf-tools custom_bin dir: $ESPIDFTOOLS_INSTALLDIR/.custom_bin/"
 echo "tools:"
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..40b54bf
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+mkdir -p ~/esp
+git clone --recursive https://github.com/PrincessPi3/esp-idf-tools.git ~/esp/esp-idf-tools
+bash ~/esp/esp-idf-tools/esp-idf-tools-cmd.sh install install
\ No newline at end of file
diff --git a/todo.txt b/todo.txt
index 59aef86..67fd7bc 100644
--- a/todo.txt
+++ b/todo.txt
@@ -4,4 +4,8 @@ install.sh for curl -s github/install.sh | "$SHELL" installation
 interactive/install/i seems to not work properly. variable scope?
 get update properly workan frong
 option on the other two repos
-test da shit proper in bash finafrickingly lmfao
\ No newline at end of file
+test da shit proper in bash finafrickingly lmfao
+    changeport/changeport.sh
+    recheck espinfo
+    recheck changeesp/changeesp.sh
+    recheck changebaud/changebaud.sh
\ No newline at end of file