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sh: Add a simple "export" command for setting environment variables.

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This commit is contained in:
Andreas Kling 2019-04-26 03:23:27 +02:00
parent 490e89e240
commit d4a8e2930e
1 changed files with 20 additions and 0 deletions
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20
Userland/sh.cpp
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@ -65,6 +65,22 @@ static int sh_exit(int, char**)
return 0; return 0;
} }
static int sh_export(int argc, char** argv)
{
if (argc == 1) {
for (int i = 0; environ[i]; ++i)
puts(environ[i]);
return 0;
}
auto parts = String(argv[1]).split('=');
if (parts.size() != 2) {
fprintf(stderr, "usage: export variable=value\n");
return 1;
}
putenv(const_cast<char*>(String::format("%s=%s", parts[0].characters(), parts[1].characters()).characters()));
return 0;
}
static int sh_cd(int argc, char** argv) static int sh_cd(int argc, char** argv)
{ {
char pathbuf[PATH_MAX]; char pathbuf[PATH_MAX];
@ -120,6 +136,10 @@ static bool handle_builtin(int argc, char** argv, int& retval)
retval = sh_exit(argc, argv); retval = sh_exit(argc, argv);
return true; return true;
} }
if (!strcmp(argv[0], "export")) {
retval = sh_export(argc, argv);
return true;
}
return false; return false;
} }