Flutter command not found inside a shell script - linux

I am creating a shell script to run on my Linux machine when I want to create a new flutter project.
But when I try to put flutter create appName inside the shell script it gives me
./flutter.sh: line 9: flutter: command not found
I added flutter to path so I can run flutter create appName from the terminal with no problem at all.
Thank you for your help.

The reason for command not found is cause, you have not given the full path of the flutter program or forgotten to reinit the environment in which you set the PATH Var. To set PATH variable, edit the hidden file .bashrc and append the flutter program's fullpath to PATH variable. Then run the following program after saving the .bashrc file.
source ~/.bashrc
That will reload the .bashrc environment variables.
Alternatively, I suggest you do the following though, for better programming practice.
Do execute this command to find fullpath of flutter program whereis flutter. Then specify the fullpath/flutter in the shell script. It's always good programming practice to specify fulllpath in programs.
example in shellscript - replace the flutter command with this line: /usr/bin/flutter

Related

Flutter command not found

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Apparently, none of the Flutter commands are working in the terminal of Android Studio which I believe I am trying to run it at the root of my project.
Output:
bash: flutter: command not found
You need to correctly set up your Flutter path.
From macOS install - Update your path:
Determine the directory where you placed the Flutter SDK. You will need this in Step 3.
Open (or create) $HOME/.bash_profile. You can do that by using terminal text editor by going in terminal and typing nano ~/.bash_profile
macOS v10.15 (Catalina) uses the Z shell by default, so edit $file HOME/.zshrc.
If you are using a different shell, the file path and filename will be different on your machine.
Add the following line and change [PATH_TO_FLUTTER_GIT_DIRECTORY] to be the path where you cloned Flutter’s Git repository is:
export PATH=[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin:$PATH
For example:
export PATH=~/Documents/flutter/bin:$PATH
Press Ctrl + X and when it asks you to save the file, choose Yes
Run source $HOME/.bash_profile to refresh the current window or restart the terminal
Verify that the flutter/bin directory is now in your PATH by running:
echo $PATH
Notice that [PATH_TO_FLUTTER_GIT_DIRECTORY] is where you installed Flutter SDK, not the location of your app
Instead of nano, you can use any text editor to edit file ~/.bash_profile.
For zsh:
Open Terminal
Run: nano ~/.zshrc
Add: export PATH=[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin:$PATH
Run: source ~/.zshrc
restart terminal
Run: flutter doctor -v
For example : if flutter in your machine has been installed under [your_username]/Developer/flutter
export PATH=Developer/flutter/bin:$PATH
I tried out all the methods in previous answers, but all of them lasted only while the terminal was open. So I went ahead and directly added it to the path file permanently.
sudo nano /etc/paths
Add this to the file:
/Users/yourUserName/Development/flutter/bin
Save the file by pressing Ctrl + X, Y and then Enter. Close the terminal and reopen it again. Tada!
If you are using zsh, you need to follow the steps below on Mac.
Download the latest Flutter version from the official site.
Unzip it and move to the $HOME location of your Mac.
Add to the path via the .zshrc file.
Run nano ~/.zshrc into an iTerm2 terminal.
Export PATH=$HOME/flutter/bin:$PATH
Save and close the ~/.zshrc file.
Restart iTerm2.
Now you will have the Flutter executable available.
Do the following steps:
Download the Flutter SDK
Flutter SDK Archive
Extract it where do you want (for example /home/development/flutter)
Set your PATH. Edit your file with the command gedit ~/.profile. You need to add this line:
export PATH=[location_where_you_extracted_flutter]/flutter/bin:$PATH
I showed you above where I've extracted mine, so my export will look like this:
export PATH=/home/myUser/development/flutter/bin:$PATH
Save the file and close it.
Run source ~/.profile to load the changes
If you now run flutter doctor, it should work!
If you are on macOS
First find the location of your Flutter SDK
Flutter SDK File: Write the below command on your terminal to download the Flutter SDK
git clone https://github.com/flutter/flutter.git
For example: the SDK executable file name is flutter and it is in folder Downloads
Close and open your terminal again.
And enter the following commands in your terminal
cd Downloads # Go to Downloads
cd flutter # Go to folder 'flutter'
pwd # /Users/[USERNAME]/downloads/flutter/
whoami # Your [USERNAME]
export PATH="/Users/[USERNAME]/downloads/flutter/bin":$PATH
macOS v10.14 (Mojave); Wireshark Path problem
In your terminal, run:
touch $HOME/.bash_profile
vi $HOME/.bash_profile
Now use I to insert and paste the following:
export PATH="$PATH:$HOME:/PATH_TO_FLUTTER_GIT_DIRECTORY/flutter/bin"
Use Esc and type :wq! to save the file and exit.
Refresh:
source $HOME/.bash_profile
And verify it's OK by running:
echo $PATH
For zsh users:
Open terminal run
touch $HOME/.zshrc
Run
sudo nano ~/.zshrc
Type
export PATH=$PATH:/Path to your extracted flutter/Flutter/bin
Press ctrl+x then press y
Press Enter
Close the terminal and open a new terminal and run
flutter doctor
You must have the .bash_profile file and define the flutter path in the .bash_profile file.
First of all, if you do not have or do not know file .bash_profile, please look my answer:
How do I edit $PATH (.bash_profile) on OSX?
You should add the below line (.../flutter_SDK_path/flutter/bin) in your .bash_profile:
export PATH=$PATH:/home/username/Documents/flutter_SDK_path/flutter/bin
After these steps, you can write Flutter code such as, flutter doctor, flutter build ios, flutter clean, etc. in the terminal of a MacBook.
Do this to add the Flutter executable permanently to your path (in Ubuntu):
cd $HOME
gedit .bashrc
Append the line:
export PATH="$PATH:[location_where_you_extracted_flutter]/flutter/bin"
in the text file and save it.
source $HOME/.bashrc
Open new terminal and run the flutter doctor command
On macOS v10.15 (Catalina), the issue is with the Path environment variable.
Open Terminal and check the shell (command: echo $SHELL),
If output is /bin/bash, we need to convert to Z shell (Zsh). Z shell is only the default shell on newly created user accounts, so any existing accounts you have on an upgraded Mac will still use Bash by default unless you change it. Simply run the chsh -s (change shell) command in a Terminal window.
(command: chsh -s /bin/zsh)
Enter your password when prompted. After you close the terminal window and reopen it, you’ll be using Z shell.
Update your Path
2.1. Open the zshrc file (command: vim ~/.zshrc)
2.2. Press 'I' to insert the path as (export PATH=~/Dev/flutter/bin:$PATH). Here ~/Dev/ is the folder where Flutter is installed
2.3. Hit Esc key and then :wq to save and exit the file
Done! try (command: flutter doctor)
Previously I was giving my whole path like this:
export PATH=Users/Tekion/Downloads/flutter/bin:$PATH
It started working after I changed my whole path to
export PATH=$HOME/Downloads/flutter/bin:$PATH
Add Path in this way in .bashrc of android sdk and tools with flutter
export PATH=$PATH:/user/Android/Sdk/platform-tools:/user/Android/Sdk/build-tools/27.0.1:/user/Android/Sdk/tools:/user/Android/Sdk/tools/bin:/user/Documents/fluterdev/flutter/bin:$PATH
Then run this command
source ~/.profile
Then run this command:
On Linux
source ~/.profile
On Mac
source ~/.bash_profile
Or:
open -a TextEdit ~/.bash_profile
Then you can user any of flutter command like to build fluter apk
flutter build apk
The Flutter SDK can be run on Windows as well as macOS.
For Windows
First download the latest SDK from the Flutter download page.
Now to run flutter in the Windows console, you need to update your PATH environment variable.
From the Start search bar, type ‘env’ and select Edit environment variables for your account.
Under User variables, check if there is an entry called Path:
If the entry does exist, append the full path to flutter\bin using ; as a separator from the existing values.
If the entry does not exist, create a new user variable named Path with the full path to flutter\bin as its value.
For Mac
First download the latest SDK from the Flutter download page
Extract the file in the desired location using following commands:
cd ~/development
unzip ~/Downloads/flutter_macos_v1.5.4-hotfix.2-stable.zip
Add the Flutter tool to your path:
export PATH="$PATH:pwd/flutter/bin"
Run flutter doctor
I followed the checked answer, but when I restart the terminal, the Flutter command is not recognized again. My in file bash_profile path is:
export PATH=~/Users/aldo/Projects/Framework/flutter/bin:$PATH with ~
Then I edit it to:
export PATH=/Users/aldo/Projects/Framework/flutter/bin:$PATH without ~
And re run source $HOME/.bash_profile: Now my Flutter command is recognized even if I restart the terminal.
The Flutter installation issue in macOS (specific for macOS v11 (Big Sur)).
Check which shell is your default shell that you have in the terminal.
To check the default shell, type command echo $SHELL.
For my specific issue I have Z shell (zsh) as my default shell.
So I change my Z shell as my default shell to Bash.
To change the default shell, enter the below command.
chsh -s /bin/bash
Enter your password when you are prompted
Now I have the Bash shell as my default.
Then I just follow the standard process for the Flutter setup on Flutter’s official site.
And I have successfully configured Flutter in my macOS.
Extract the file in the desired location, for example:
cd ~/development
unzip ~/Downloads/flutter_macos_1.22.5-stable.zip
Add the flutter tool to your path:
export PATH="$PATH:`pwd`/flutter/bin"
This command sets your PATH variable for the current terminal window only. To permanently add Flutter to your path, see below.
—> Determine the directory where you placed the Flutter SDK.
—> Open (or create) the rc file for your shell. Typing echo $SHELL in your Terminal tells you which shell you’re using. If you’re using Bash, edit $HOME/.bash_profile or $HOME/.bashrc. If you’re using Z shell, edit $HOME/.zshrc. If you’re using a different shell, the file path and filename will be different on your machine.
—> Add the following line and change [PATH_TO_FLUTTER_GIT_DIRECTORY] to be the path where you cloned Flutter’s Git repository
export PATH="$PATH:[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin"
—> Run source $HOME/.<rc file> to refresh the current window, or open a new terminal window to automatically source the file.
—> Verify that the flutter/bin directory is now in your PATH by running:
echo $PATH
—> Verify that the flutter command is available by running
—> which flutter
—> Now run below command.
$ which flutter dart
/path-to-flutter-sdk/bin/flutter
/usr/local/bin/dart
—> And you're good to go.
You can easily create a symbolic link as below,
sudo ln -s /opt/flutter/bin/flutter /usr/bin/flutter
I had moved the executable flutter into the /opt/ folder after downloading, so replace it with the path you have for the directory the flutter executable is in.
The flutter command should work even after rebooting your machine.
In my case, I put the line export PATH=[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin:$PATH in both file .bash_profile and .bashrc (I put it on the last line).
After that, run source .bash_profile and source .bashrc. Now it's working (even if you use it in a new terminal window)!
Just revert to chsh -s /bin/bash from chsh -s /bin/zsh,
Run one command
chsh -s /bin/bash
You're facing this problem just because you have changed the shell from Bash to Z shell in macOS. If you run this command again it will change the path again.
So just run one command and the problem is solved.
For Ubuntu 14.*:
There isn't any .bash_profile file, but it just the .profile file in folder /home/mangesh.
In my case, I am running this command to add the flutter/bin path,
export PATH="$PATH:/home/mangesh/Documents/flutter_data/flutter/bin/"
To verify the above change, just run,
echo $PATH
Following is my complete output,
$ pwd
/home/mangesh
$ export PATH="$PATH:/home/mangesh/Documents/flutter_data/flutter/bin/"
$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/mangesh/Documents/flutter_data/flutter/bin/
On a Mac I followed the steps of the user Tree, but I still received the answer "flutter: command not found".
I then went to the folder flutter/bin and inside this folder Ctrl + click on the flutter executable and in the popup I clicked open. After that the Mac already recognized this as an exception and the Flutter commands already work.
On a Mac, there are two options to solve this issue.
Option 1: Adding the Flutter SDK path permanently (it will work in any terminal session)
Download the Flutter SDK and extract in any location and then you have to add the below line in $HOME/.bash_profile file (hidden folder as default).
export PATH="$PATH:[where the Flutter SDK is downloaded and extracted]/flutter/bin"
For example:
export PATH="$PATH:~/development/tools/flutter/bin"
Option 2: If you are facing any difficulties with Option 1, then this is much simpler, but you have to do this simple step whenever you restart your system/terminal.
Step 1: Go to the path where Flutter SDK downloaded and extracted (for example: cd ~/Development/tools/)
Step 2: Enter this command
export PATH='pwd'/flutter/bin:$PATH
That's it. Type "flutter doctor" to check if this issue gets resolved.
First, download the Flutter here: https://flutter.dev/docs/get-started/install/macos
When you created the folder with Flutter SDK, open it in Terminal using the following command:
cd ~/development
If there is no development folder run this command first:
mkdir /development
After that, you need to run the unzip command. Make sure you specify the correct path to the downloaded Flutter archive file.
Run the command below:
unzip ~/Downloads/flutter_macos_1.17.1-stable.zip
Setting the Flutter tool path
In order to set up the Flutter tool path you should run this command:
export PATH="$PATH:`pwd`/flutter/bin"
Next, you need to know which shell you are using. For this run this command:
echo $SHELL
Depending on the shell run the following command: [Note, the command you will be using depends on the shell you have.]
sudo nano ~/.zshrc
or
sudo nano /.bashrc
After that in the new window, you need to add a path to the flutter tool.
Use the following command:
export PATH=$PATH:~/development/flutter/bin
The next thing you need to do is to check the Flutter dependencies.
For this, run the command:
flutter doctor
This operation will help you to identify if there are any dependencies you need to install.
After the results will be prepared click Agree and wait for the installation of the needed dependencies to complete the setup.
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Ubuntu 16.04 (Xenial Xerus):
I added the path correctly for Flutter, Java, Android Studio, and Android SDK in the .bashrc file, but when I run flutter doctor, the terminal returns:
flutter: command not found
Solution:
So, first I had to always run:
sudo su
And then:
source /home/your_name/.bashrc
Then run flutter doctor. It works fine.
So every time, if I want to run flutter doctor, I have to run these two commands above.
The Flutter installation guide says you add this:
export PATH="$PATH:pwd/flutter/bin"
Visual Studio Code doesn't support pwd for some reason. The fix:
export PATH="$PATH:~/flutter/bin"
If you are facing this issue from a Windows 10 machine, this is how I solved it:
First of all, find your Flutter executable path, and then your bin folder under the Flutter path
E.g., "C:\flutter\bin"
Copy it, and press the windows button. Type: environment, and press "Edit the system environment variable"
Press the "Environment variable" button
Double click on the "Path" menu
Add a new path, using the bin address
E.g., ""C:\flutter\bin"
This should work.
For those using a Z shell resource (.zshrc), navigate to your home directory and open .zprofile, copy and paste this: export PATH=[PATH_TO_FLUTTER_DIRECTORY]/flutter/bin:$PATH

environment variable in desktop is different from terminal?

I use qtcreator to build my project. When I use Terminal to open qtcreator and build the project, it works. However, when I use Desktop to Open qtcreator, it shows that can't not found the library.
Accurately, I add the libs to environment variable so that I can use it Makefile to build the project in Terminal.
So I am confused if the environment variable is different between Terminal and Desktop.
The qt project file is process.pro.
Oh, we found that when we run .desktop file, it does not contain bash environment. So adding bash -i -c in [Exec] can solve it.

Cannot run Swift under Ubuntu after closing the terminal

I am trying to run the Swift compiler under Ubuntu. I followed this tutorial: https://itsfoss.com/use-swift-linux/ and everything seemed to work fine. I was able to run swift under Ubuntu.
However, when I closed the terminal, I was not able to run Swift anymore. The program was not found until I installed it again. I could not find any answers to this question as there aren't many people running Swift under Ubuntu.
It's not uninstalled, you just don't have the environment variables set up anymore, so Bash can't find the path to Swift. You can change that by exporting the appropriate environment variables in your .bashrc file.
When you followed the tutorial, you ran the following command:
export PATH=path_to_swift_usr_bin:$PATH
This command adds the path to the swift binary to your PATH environment variable. The PATH variable holds a list of places where Ubuntu will look for programs to run from the command-line. So if the Swift executable is not in one of the places listed in the PATH, your terminal will never find it.
There is a file in your home folder (the folder ~, which is an abbreviation for /home/username, where username is your username) named .bashrc, which runs whenever you open a new terminal window. If you need an environment variable to be available whenever you open the terminal, you should add the export line for that variable to your .bashrc.
In this case, your .basrhc should contain the same line above.
The important thing to remember is that your environment variables are not preserved between command-line sessions, so if you want to have an environment variable available every time you use the command-line, it needs to be defined in your .bashrc.

customed command not found in a new terminal

everyone.
I had a basic question want to consult, about the environment variable setting.
After closed my one existed terminal which could execute compile(make) and do customed(mksdboot) command, i can't do mksdboot command anymore(I had execute a predefined setting environment variable shell script i.e. $ . ./arndale_envsetup.sh again) in the new terminal.
Cause i am a beginner in Linux, i am not very clearly about the environment variable setting rules.
i had tried to 'su' or 'sudo' to execute mksdboot, but no luck:(
ps. I had another project needs to compile in my PC(i didn't export PATH to .bashrc, only execute export PATH when i open a new terminal every time), may it efforts the original project's environment variable?
thanks.
[UPDATED]
i tried using $source ./arndale_envsetup.sh, relative commands worked finally.
but i still did't figure out the reason between work or not work. >"<
The command
history
will list what your previous commands where.
This might give you a pointer what set the path in the way you needed it.
You could also try to see where you command is via
locate mksdboot

define NDK_ROOT in cocos2DX mutiplatform game environment

I have just started working with cocos2dx android and I am following wonderful tutorial of http://www.raywenderlich.com/33750/cocos2d-x-tutorial-for-ios-and-android-getting-started . Now, I have successfully run my first hello world demo project by following this link. I also set environment parameters:
NDK_ROOT_LOCAL="/MY ANDROID NDK PATH/"
ANDROID_SDK_ROOT_LOCAL="/MY ANDROID SDK PATH/"
I followed tutorial perfectly as given in it, still I am facing problem while running my project second time, means I have to export DNK_ROOT every time from terminal to run my project & it's really tired and seemed not working for my further implementation.. and while I run project it says please define NDK_ROOT though I already define
second thing
I also manually define these variables in my .bash profile (create-android-project.sh) this way
NDK_ROOT_LOCAL = "/MY ANDROID NDK PATH/"
ANDROID_SDK_ROOT_LOCAL = "/MY ANDROID SDK PATH/"
What am I missing in setting up this?
To make those variables permanent (so every terminal shell you open hereafter has then) use your favorite text editor to update your bash profile (I chose vi to keep it in the terminal)
NOTE: the use of "~" in a path is just shorthand for your user directory. In your case it appears to be synonymous with saying "~" = "/Users/alex"
vi ~/.bash_profile
add the following lines and save (update these names and paths to match your actual environment, I am assuming everything is in the root of your user directory here):
export NDK_ROOT_LOCAL=~/android-ndk-r10b
export ANDROID_SDK_ROOT_LOCAL=~/sdk
Use source to run the profile in the current terminal session or just open a new terminal
source ~/.bash_profile
You can test to see if the variables are defined here (use whatever you named them)
echo $NDK_ROOT_LOCAL
echo $ANDROID_SDK_ROOT_LOCAL
[EDIT: noted that paths need to be tuned to your environment]
this way i can define my NDK ROOT
export NDK_ROOT=/Users/alex/android-ndk-r8b
If you are using MAC OSX please consider adding NDK_ROOT variable in Environments file. Linux directly read it when the instance of bash is initiated but in MAC you need to add it in a bit more detail. Try adding it.

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