1 files changed, 12 insertions, 7 deletions
diff --git a/src/main.rs b/src/main.rs
index 66c3caa..a24d35e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,26 +8,31 @@ use qif_parser::qif::*;
 use std::io::prelude::*;
 use std::io::*;
 
+use std::ffi::{OsString, OsStr};
 use std::path::PathBuf;
+use std::result::Result;
 
 use std::fs::File;
 use std::process;
 
+fn parse_filepath(str: &OsStr) -> Result<PathBuf, OsString> {
+    let path: PathBuf = ::std::convert::From::from(str);
+    if path.is_file() {
+        Ok(path)
+    } else {
+        Err(str.to_os_string())
+    }
+}
+
 #[derive(StructOpt, Debug)]
 #[structopt(name = "Qif Parser", about = "Qif file preprocessor to decrease duplication when importing to gnucash")]
 struct CliArgs {
-    #[structopt(help = "Files to preprocess", required, parse(from_os_str))]
+    #[structopt(help = "Files to preprocess", required, parse(try_from_os_str="parse_filepath"))]
     files: Vec<PathBuf>
 }
 
 fn main() {
     let args = CliArgs::from_args();
-    for filepath in &args.files {
-        if !filepath.is_file() {
-            eprintln!("{} is not a file", filepath.display());
-            process::exit(1);
-        }
-    }
     
     for filepath in &args.files {
         let qif_result = {