A simple try in main

sample/files.f

@@ -2,3 +2,6 @@ sample/file1.sv
 sample/file2.sv
 sample/file3.sv
 sample/file4.sv
++incdir+sample/
+// Some comment
++define+a=b+c=d+e=f

src/main.rs

@@ -1,33 +1,12 @@
 use std::env;
 use std::path::PathBuf;
 use std::fs;
+use sv_filelist_parser;
 
 fn main() {
     let args: Vec<String> = env::args().collect();
 
-    // get .f file
-    let dot_f_file = PathBuf::from(&args[1]);
-    println!("pathbuf {:?}", dot_f_file);
-
-    // check if .f file exists
-    if dot_f_file.is_file() {
-        println!("File exists", )
-    } else {
-        println!("File does not exist", )
-    }
-
-    // read .f file
-    let contents = fs::read_to_string(&dot_f_file)
-        .expect("Error while reading file");
-
-    println!("contents:\n{}", contents);
-    // check if all the files exist
-    for line in contents.lines() {
-        if PathBuf::from(line).is_file() {
-            println!("{} exists", line)
-        }
-        else {
-            println!("{} does not exist", line)
-        }
-    }
+    let filelist = sv_filelist_parser::parse(&args[1])
+        .expect("Error parsing");
+    println!("{:#?}", filelist);
 }