ladybird/Userland/which.cpp
Andreas Kling 73fdbba59c AK: Rename <AK/AKString.h> to <AK/String.h>
This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.

Let's just not support building that way, so String.h can have an
objectively nicer name. :^)
2019-09-06 15:36:54 +02:00

29 lines
642 B
C++

#include <AK/String.h>
#include <AK/Vector.h>
#include <stdio.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (argc < 2) {
printf("usage: which <executable>\n");
return 0;
}
char* filename = argv[1];
String path = getenv("PATH");
if (path.is_empty())
path = "/bin:/usr/bin";
auto parts = path.split(':');
for (auto& part : parts) {
auto candidate = String::format("%s/%s", part.characters(), filename);
if(access(candidate.characters(), X_OK) == 0) {
printf("%s\n", candidate.characters());
return 0;
}
}
return 1;
}