Implemented initial version of whereis

Cargo.toml

@@ -42,6 +42,7 @@ feat_common_core = [
   "renice",
   "rev",
   "setsid",
+  "whereis",
 ]
 
 [workspace.dependencies]
@@ -98,6 +99,7 @@ mountpoint = { optional = true, version = "0.0.1", package = "uu_mountpoint", pa
 renice = { optional = true, version = "0.0.1", package = "uu_renice", path = "src/uu/renice" }
 rev = { optional = true, version = "0.0.1", package = "uu_rev", path = "src/uu/rev" }
 setsid = { optional = true, version = "0.0.1", package = "uu_setsid", path ="src/uu/setsid" }
+whereis = { optional = true, version = "0.0.1", package = "uu_whereis", path = "src/uu/whereis" }
 
 [dev-dependencies]
 # dmesg test require fixed-boot-time feature turned on.

src/uu/whereis/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "uu_whereis"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+path = "src/whereis.rs"
+
+[[bin]]
+name = "whereis"
+path = "src/main.rs"
+
+[dependencies]
+regex = { workspace = true }
+uucore = { workspace = true }
+clap = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+sysinfo = { workspace = true }
+glob = "0.3"

src/uu/whereis/src/constants.rs

@@ -0,0 +1,83 @@
+// List of directories, man, src, and binary
+
+pub const MANDIRS: [&str; 7] = [
+    "/usr/man/*",
+    "/usr/share/man/*",
+    "/usr/X386/man/*",
+    "/usr/X11/man/*",
+    "/usr/TeX/man/*",
+    "/usr/interviews/man/mann",
+    "/usr/share/info",
+    // NULL
+];
+
+pub const SRCDIRS: [&str; 6] = [
+    "/usr/src/*",
+    "/usr/src/lib/libc/*",
+    "/usr/src/lib/libc/net/*",
+    "/usr/src/ucb/pascal",
+    "/usr/src/ucb/pascal/utilities",
+    "/usr/src/undoc",
+    // NULL
+];
+
+pub const BINDIRS: [&str; 46] = [
+    "/usr/bin",
+    "/usr/sbin",
+    "/bin",
+    "/sbin",
+    // #[cfg(...)]
+    /*
+    #if defined(MULTIARCHTRIPLET)
+
+        "/lib/" MULTIARCHTRIPLET,
+        "/usr/lib/" MULTIARCHTRIPLET,
+        "/usr/local/lib/" MULTIARCHTRIPLET,
+
+    #endif
+    */
+    // #[cfg(not(...))]
+    "/usr/lib",
+    "/usr/lib32",
+    "/usr/lib64",
+    "/etc",
+    "/usr/etc",
+    "/lib",
+    "/lib32",
+    "/lib64",
+    "/usr/games",
+    "/usr/games/bin",
+    "/usr/games/lib",
+    "/usr/emacs/etc",
+    "/usr/lib/emacs/*/etc",
+    "/usr/TeX/bin",
+    "/usr/tex/bin",
+    "/usr/interviews/bin/LINUX",
+    "/usr/X11R6/bin",
+    "/usr/X386/bin",
+    "/usr/bin/X11",
+    "/usr/X11/bin",
+    "/usr/X11R5/bin",
+    "/usr/local/bin",
+    "/usr/local/sbin",
+    "/usr/local/etc",
+    "/usr/local/lib",
+    "/usr/local/games",
+    "/usr/local/games/bin",
+    "/usr/local/emacs/etc",
+    "/usr/local/TeX/bin",
+    "/usr/local/tex/bin",
+    "/usr/local/bin/X11",
+    "/usr/contrib",
+    "/usr/hosts",
+    "/usr/include",
+    "/usr/g++-include",
+    "/usr/ucb",
+    "/usr/old",
+    "/usr/new",
+    "/usr/local",
+    "/usr/libexec",
+    "/usr/share",
+    "/opt/*/bin",
+    // NULL
+];

src/uu/whereis/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_whereis);