This project incorporates all topics covered in the ALX-low_level_programming so far, and marks the conclusion of the section of the first trimester of the programme.
Only use the following functions and system calls:
access (man 2 access)
chdir (man 2 chdir)
close (man 2 close)
closedir (man 3 closedir)
execve (man 2 execve)
exit (man 3 exit)
_exit (man 2 _exit)
fflush (man 3 fflush)
fork (man 2 fork)
free (man 3 free)
getcwd (man 3 getcwd)
getline (man 3 getline)
getpid (man 2 getpid)
isatty (man 3 isatty)
kill (man 2 kill)
malloc (man 3 malloc)
open (man 2 open)
opendir (man 3 opendir)
perror (man 3 perror)
read (man 2 read)
readdir (man 3 readdir)
signal (man 2 signal)
stat (__xstat) (man 2 stat)
lstat (__lxstat) (man 2 lstat)
fstat (__fxstat) (man 2 fstat)
strtok (man 3 strtok)
wait (man 2 wait)
waitpid (man 2 waitpid)
wait3 (man 2 wait3)
wait4 (man 2 wait4)
write (man 2 write)
gcc -Wall -Wextra -Werror -pedantic -g *.c -o hsh
-g is used for tracing Valgrind errors.
Shell should work like this oin interactive mode:
$ ./hsh
($) /bin/ls
hsh main.c shell.c
($)
($) exit
$
But also in non-interactive mode:
$ echo "/bin/ls" | ./hsh
hsh main.c shell.c test_ls_2
$
$ cat test_ls_2
/bin/ls
/bin/ls
$
$ cat test_ls_2 | ./hsh
hsh main.c shell.c test_ls_2
hsh main.c shell.c test_ls_2
$
- set_unset_env.c - Includes functions for setting and unsetting an environment variable.
find_env- finds the given environmental variable in the linked list._unset_env- Unsets an environmental variable._set_env- Sets an environmental variable.
t_strlen- Returns token string length for memory allocating.t_size- Returns number of delimiters ignoring continuous delimiters.ignore_delm- Returns a version of string without preceeding delims._str_tok- Tokenizes a string and returns an array of tokens.
- _exit.c - Includes functions that enable exiting of the shell.
c_atoi- Custom atoi converts string to int.__exit- Frees user input and then exits main program with a value.