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const std = @import("std");
pub fn findInPath(allocator: std.mem.Allocator, cmd_name: []const u8) !?[]const u8 {
const path_env = std.process.getEnvVarOwned(allocator, "PATH") catch return null;
defer allocator.free(path_env);
var it = std.mem.splitScalar(u8, path_env, ':');
while (it.next()) |dir| {
const full_path = std.fs.path.join(allocator, &[_][]const u8{ dir, cmd_name }) catch continue;
defer allocator.free(full_path);
const file = std.fs.openFileAbsolute(full_path, .{}) catch continue;
const stat = file.stat() catch {
file.close();
continue;
};
file.close();
if ((stat.mode & 0o111) == 0) continue;
return try allocator.dupe(u8, full_path);
}
return null;
}
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