nunom4chado commented 1 year ago

Expand

[ ] the following test works.


export LS="ls -la"
$LS # this should do a ls -la
"$LS" # this should print an error command "ls -la" not found

if the first word is in double quote


# Built-ins
## cd
- [ ] test relative paths
- [ ] test absolute paths
- [ ] `cd` go to the home folder
- [ ] `cd `, `cd      ` go to home folder
- [ ] `cd ~` go to the home folder
- [ ] `cd ~/Desktop` go to desktop "~ expands to home path"
- [ ] `cd -` print old path, go to the old path
- [ ] `cd --` go to home
~ as to expand to the absolute path to the user's home folder
`cd ~/Desktop` == `cd $HOME/Desktop`

## export
- [ ] export with no args works (check bash, the list is ordered)
- [ ] export works with multiple args `export a=1 b=2 c=3`
- [ ] export a new variable does not work if the command has pipes
- [ ] unset a variable does not work if the command has pipes
- [ ] set temporary variables without export keyword works but does not add them to env. Eg. `demo=ola` `echo $demo` should output ola
- [ ] exporting temporary variable by name works `color=yellow` `export yellow` `echo $color` `env`

# Heredocs
- [ ] `<<EOF grep 'b' | tee b.txt`  (heredoc input `foo`, `bar`, `baz`, `EOF`) output in the terminal bar and baz and add them to b.txt
- [ ] `cat << EOF` (heredoc input `my home is $HOME`, `EOF`) should print line and expand variable
- [ ] `cat << EOF` (heredoc input `"my home is $HOME"`, `EOF`) should print line and expand variable
- [ ] `cat << EOF` (heredoc input `'my home is $HOME'`, `EOF`) should print line and expand variable
- [ ] `cat << "EOF"` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME
- [ ] `cat << 'EOF'` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME
- [ ] `cat << EOF""` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME (delimiter: `EOF`)
- [ ] `cat << EOF''` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME (delimiter: `EOF`)
- [ ] `cat << EOF"A"` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME (delimiter: `EOFA`)
- [ ] `cat << EOF'A'` (heredoc input `my home is $HOME`, `EOF`) should print line and NOT expand $HOME (delimiter: `EOFA`)
- [ ] `ls <<EOF` (heredoc input `-la`, `EOF`) should print ls without flag -la
- [ ] `<< a" o"` will closing with 'a', 'space', 'o'
- [ ] Using heredoc delimiter from env variable. See command bellow.
```bash
$ export TEST=EOF
$ <<$TEST
> some content
> $TEST

# Output:
some content

$ export TEST=EOF
$ <<$TEST
> some content
> EOF

# Heredoc will not close because is expecting $TEST as delimiter

history

Only with HISTCONTROL=ignoreboth (https://unix.stackexchange.com/questions/115917/why-is-bash-not-storing-commands-that-start-with-spaces)

[ ] input with space as first char must NOT add to the history
[ ] input with tab as first char must add to the history

EXEC

[ ] cat should display blank prompt as print the lines entered. ctr-c exits

Others

[ ] errors use stderr

OLD

parsing

echo ola>test.txt - must create a file with ola echo 'ola>test.txt' - just print text echo "ola>test.txt" - just print text

echo ola | - must prompt again to add to the command echo ola > - syntax error echo ola >> - syntax error echo ola < - syntax error echo ola << - syntax error

nunom4chado commented 1 year ago

Check this expansions

The default interactive shell is now zsh.
To update your account to use zsh, please run `chsh -s /bin/zsh`.
For more details, please visit https://support.apple.com/kb/HT208050.
bash-3.2$ export ls="ls| <<a |"
bash-3.2$ echo $ls
ls| <<a |
bash-3.2$ "$ls"
bash: ls| <<a |: command not found
bash-3.2$ $ls
bash: ls|: command not found
bash-3.2$ export ls="ls | <<a |"
bash-3.2$ echo $ls
ls | <<a |
bash-3.2$ "$ls"
bash: ls | <<a |: command not found
bash-3.2$ $ls
ls: <<a: No such file or directory
ls: |: No such file or directory
ls: |: No such file or directory
bash-3.2$ export ls="la"
bash-3.2$ ls $ls
ls: la: No such file or directory
bash-3.2$ export ls="-la"
bash-3.2$ ls $ls
total 1336
drwxr-xr-x+  73 nuno  staff    2336 Jun 22 01:32 .
drwxr-xr-x    5 root  admin     160 Jul 14  2022 ..
-r--------    1 nuno  staff       7 Jun 26  2020 .CFUserTextEncoding
-rw-r--r--@   1 nuno  staff   18436 Jun 14 18:16 .DS_Store
drwxr-xr-x    8 nuno  staff     256 Mar 27 21:33 .SynologyDrive
drwx------+   5 nuno  staff     160 Jun 14 13:20 .Trash
-rw-------    1 nuno  staff       0 Jan  7 23:45 .Xauthority
drwxr-xr-x   11 nuno  staff     352 Mar  1  2021 .android
-rw-r--r--    1 nuno  staff      57 Mar 16  2022 .angular-config.json
drwxr-xr-x   12 nuno  staff     384 Aug 16  2021 .anydesk
drwxr-xr-x    4 nuno  staff     128 Apr  9  2021 .app-store
-rw-------    1 nuno  staff   17601 Jun 20 11:13 .bash_history
-rw-r--r--    1 nuno  staff     455 Dec 28  2021 .bash_profile
drwx------  111 nuno  staff    3552 Jan 27  2022 .bash_sessions
drwxr-xr-x    4 nuno  staff     128 Jan 26 21:19 .cache
drwxr-xr-x    3 nuno  staff      96 Oct  7  2022 .cocoapods
drwxr-xr-x    8 nuno  staff     256 Oct 12  2021 .composer
drwx------   11 nuno  staff     352 Jan 26 21:18 .config
drwxr-xr-x   10 nuno  staff     320 Jan 28  2022 .docker
drwxr-xr-x    3 nuno  staff      96 Sep  8  2021 .electron-gyp
-rw-------    1 nuno  staff      16 Nov 25  2020 .emulator_console_auth_token
drwxr-xr-x   13 nuno  staff     416 Oct  7  2022 .expo
drwxr-xr-x    4 nuno  staff     128 Oct  7  2022 .gem
-rw-r--r--    1 nuno  staff      88 Jun 10  2021 .gitconfig
-rw-------    1 nuno  staff      20 Apr 17 11:54 .lesshst
drwxr-x---    3 nuno  staff      96 Nov 18  2022 .lldb
drwx------    4 nuno  staff     128 Jan 26 21:16 .local
-rw-------    1 nuno  staff     101 Jun  2  2022 .netrc
drwxr-xr-x    4 nuno  staff     128 Dec 28  2021 .node-gyp
-rw-------    1 nuno  staff      16 Jan 27  2022 .node_repl_history
drwxr-xr-x   15 nuno  staff     480 Apr 22  2022 .npm
drwxr-xr-x   31 nuno  staff     992 Dec 28  2021 .nvm
drwxr-xr-x   22 nuno  staff     704 May 16  2022 .oh-my-zsh
drwxr-xr-x    9 nuno  staff     288 Aug 28  2020 .parsec
drwx------@   6 nuno  staff     192 Aug  8  2022 .pgadmin
drwxr-xr-x  273 nuno  staff    8736 Mar 15 10:53 .phpls
drwxr-xr-x    4 nuno  staff     128 Aug 29  2022 .plastic4
-rw-------    1 nuno  staff      13 Apr  1  2021 .psql_history
drwx------    4 nuno  staff     128 Oct 21  2021 .putty
-rw-------    1 nuno  staff      10 Dec  6  2022 .python_history
drwxr-xr-x    3 nuno  staff      96 Nov 25  2020 .react-native-cli
-rw-r--r--    1 nuno  staff    1972 Dec  1  2020 .rndebuggerrc
-rw-r--r--    1 nuno  staff      10 Jan 27  2022 .shell.pre-oh-my-zsh
drwx------    6 nuno  staff     192 Mar 27 16:25 .ssh
drwxr-xr-x    5 nuno  staff     160 Jan  7 18:29 .swiftpm
-rw-------    1 nuno  staff   12288 Aug  8  2022 .swp
drwxr-xr-x    3 nuno  staff      96 Feb 20 10:59 .th-client
drwxr-xr-x    5 nuno  staff     160 Jan 26 11:09 .vim
-rw-------    1 nuno  staff   20938 Feb 21 19:30 .viminfo
-rw-r--r--    1 nuno  staff     234 Jan 26 11:08 .vimrc
drwxr-xr-x    4 nuno  staff     128 Jul  6  2020 .vscode
drwxr-xr-x    3 nuno  staff      96 Nov 25  2020 .vscode-react-native
-rw-r--r--    1 nuno  staff   48141 Jul 12  2022 .zcompdump-Nuno’s MacBook Pro-5.8
-rw-r--r--    1 nuno  staff   48145 Aug  8  2022 .zcompdump-Nuno’s MacBook Pro-5.8.1
-rw-------    1 nuno  staff  315421 Jun 15 01:00 .zsh_history
drwx------   19 nuno  staff     608 Nov  5  2022 .zsh_sessions
-rw-r--r--@   1 nuno  staff    4050 Dec 19  2022 .zshrc
drwx------@   5 nuno  staff     160 Oct 26  2020 Applications
drwx------@  10 nuno  staff     320 Jun 14 13:20 Desktop
drwx------@  15 nuno  staff     480 Apr  5 15:44 Documents
drwx------@  28 nuno  staff     896 Jun 13 22:15 Downloads
drwx------@  98 nuno  staff    3136 Dec  2  2022 Library
drwxr-xr-x    5 nuno  staff     160 Dec 20  2021 Local Sites
drwx------+   7 nuno  staff     224 Jun  9  2022 Movies
drwx------+   8 nuno  staff     256 May 17  2022 Music
drwx------+   9 nuno  staff     288 Aug  8  2022 Pictures
drwxr-xr-x    3 nuno  staff      96 Jul  8  2020 Postman
drwxr-xr-x+   5 nuno  staff     160 Jul 27  2020 Public
drwxr-xr-x@   9 nuno  staff     288 Mar 27 21:33 SynologyDrive
drwxr-xr-x    4 nuno  staff     128 Dec 14  2022 VirtualBox VMs
drwxr-xr-x   21 nuno  staff     672 Jan 26 21:08 francinette
drwxr-xr-x    9 nuno  staff     288 Aug 29  2022 lego_microgame
-rw-r--r--@   1 nuno  staff  127024 Jan 27  2022 vs_code_dark_plus.terminal
bash-3.2$ export ls="-la | echo ola"
bash-3.2$ ls $ls
ls: echo: No such file or directory
ls: ola: No such file or directory
ls: |: No such file or directory
bash-3.2$ export ls="ls | echo ola"
bash-3.2$ ls $ls
ls: echo: No such file or directory
ls: ls: No such file or directory
ls: ola: No such file or directory
ls: |: No such file or directory
bash-3.2$ export ls="l"
bash-3.2$ $lss
bash-3.2$ "$ls"s
Applications            Pictures
Desktop             Postman
Documents           Public
Downloads           SynologyDrive
Library             VirtualBox VMs
Local Sites         francinette
Movies              lego_microgame
Music               vs_code_dark_plus.terminal
bash-3.2$ export ls="l "
bash-3.2$ "$ls"s
bash: l s: command not found

nunom4chado commented 1 year ago

terminal 1

bash-3.2$ cat
jn
jn
kjn
kjn
kl
kl
^C
bash-3.2$ tee
jk
jk
jk
jk
bash-3.2$ ls
Applications            Pictures
Desktop             Postman
Documents           Public
Downloads           SynologyDrive
Library             VirtualBox VMs
Local Sites         francinette
Movies              lego_microgame
Music               vs_code_dark_plus.terminal
bash-3.2$ cp
usage: cp [-R [-H | -L | -P]] [-fi | -n] [-aclpsvXx] source_file target_file
       cp [-R [-H | -L | -P]] [-fi | -n] [-aclpsvXx] source_file ... target_directory
bash-3.2$ echo file1 >
bash: syntax error near unexpected token `newline'
bash-3.2$ echo "content file1" > file1
bash-3.2$ echo "content file2" > file2
bash-3.2$ ls
Applications            Postman
Desktop             Public
Documents           SynologyDrive
Downloads           VirtualBox VMs
Library             file1
Local Sites         file2
Movies              francinette
Music               lego_microgame
Pictures            vs_code_dark_plus.terminal
bash-3.2$ cat
file1
file1
file2
file2
bash-3.2$ ls
Applications            Postman
Desktop             Public
Documents           SynologyDrive
Downloads           VirtualBox VMs
Library             file1
Local Sites         file2
Movies              francinette
Music               lego_microgame
Pictures            vs_code_dark_plus.terminal
bash-3.2$ << ola
> kb
> bash-3.2$ cat << a
> im a heredoc
> asdf asdf
>
> sdg
> dg
> im a heredoc
asdf asdf

sdg
dg
bash-3.2$ bash 2> erros.txt
^C
bash-3.2$ ls
Applications            Public
Desktop             SynologyDrive
Documents           VirtualBox VMs
Downloads           erros.txt
Library             file1
Local Sites         file2
Movies              francinette
Music               lego_microgame
Pictures            vs_code_dark_plus.terminal
Postman
bash-3.2$ cat file1 > /dev/null
bash-3.2$ tty
/dev/ttys004
bash-3.2$ cat /dev/ttys005
ola
adeus
file1
^C
bash-3.2$ cat ola > /dev/ttys005
cat: ola: No such file or directory
bash-3.2$ cat file1 > /dev/ttys005

terminal 2

bash-3.2$ tty
/dev/ttys005
bash-3.2$ cat
^C
bash-3.2$ content file1

nunom4chado commented 1 year ago

Check if env and export variables pass to another instance of minishell

Also, make sure extracting a variable value works without quotes, with single quotes and double quotes

Zahhask45 commented 1 year ago

cd Desktop/\$HOME/

nunom4chado commented 1 year ago

numartin@c1r8s17:~$ export banana=fruta
numartin@c1r8s17:~$ echo $banana
fruta
numartin@c1r8s17:~$ export $banana=comida
numartin@c1r8s17:~$ echo $fruta
comida
numartin@c1r8s17:~$

nunom4chado commented 1 year ago

echo $7asdfsasdf output: asdfsasdf

nunom4chado commented 1 year ago

numartin@c1r8s17:~$ export sequence="echo ola | wc"
numartin@c1r8s17:~$ $sequence
ola | wc
numartin@c1r8s17:~$ export LS="ls -la | wc"
numartin@c1r8s17:~$ echo $LS
ls -la | wc
numartin@c1r8s17:~$ $LS
ls: cannot access '|': No such file or directory
ls: cannot access 'wc': No such file or directory
numartin@c1r8s17:~$ export LS="a=4 ls"
numartin@c1r8s17:~$ $LS
a=4: command not found
numartin@c1r8s17:~$

numartin@c1r8s17:~/Desktop$ export LS="ls "
numartin@c1r8s17:~/Desktop$ $LS"-la"

nunom4chado commented 1 year ago

cat <<a > file.txt | cat <<b

check if file.txt exists check if file.txt has the contents of the first heredoc

nunom4chado commented 1 year ago

unset $PWD - should display: bash: unset: `/nfs/homes/numartin': not a valid identifier

Zahhask45 commented 1 year ago

cat file1.txt > file2.txt > file3.txt Should rewrite the content of test1.txt to test3.txt and erase content of test2.txt

nunom4chado / minishell

Tests #17

Expand

if the first word is in double quote

history

EXEC

Others

OLD

parsing

Check this expansions

terminal 1

terminal 2