added ability to search for file

Author: willdoescode

README.md

@@ -32,7 +32,7 @@ nat <dir>
 #### Searching for file
 
 ```bash
-nat <dir> | grep "<filename>"
+nat <dir (leave empty if in wanted dir)> -f <file>
 ```
 
 ### To edit the code

src/main.rs

@@ -7,12 +7,16 @@ use std::{fs, io};
 use structopt::StructOpt;
 use termion::color;
 use users::{get_current_uid, get_user_by_uid};
+mod single;
 
 #[derive(StructOpt, Debug)]
 #[structopt(name = "nat", about = "the ls replacement you never knew you needed")]
 struct Cli {
   #[structopt(parse(from_os_str), default_value = ".", help = "Give me a directory")]
   path: std::path::PathBuf,
+
+  #[structopt(default_value = "", short = "f", long = "file", help = "File to search for")]
+  file: String,
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -22,13 +26,25 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
   let entries = fs::read_dir(directory)?
     .map(|res| res.map(|e| e.path()))
     .collect::<Result<Vec<_>, io::Error>>()?;
+
   let mut size_count = 0;
   for s in &entries {
     if convert(fs::metadata(&s)?.size() as f64).len() > size_count {
       size_count = convert(fs::metadata(&s)?.size() as f64).len();
     };
   }
 
+  if &args.file != "" {
+    for e in &entries {
+      if e.file_name().unwrap().to_str().unwrap() == &args.file {
+        let _ = single::single(e, size_count);
+        std::process::exit(1)
+      }
+    }
+    print!("File could not be found");
+    std::process::exit(1)
+  }
+
   print!("{}", Style::new().underline().paint("permissions"));
   for _ in 0..2 {
     print!("{}", Style::new().underline().paint(" "))

src/single.rs

@@ -0,0 +1,133 @@
+extern crate pretty_bytes;
+use ansi_term::Style;
+use chrono::{DateTime, Utc};
+use pretty_bytes::converter::convert;
+use std::os::unix::fs::MetadataExt;
+use std::{fs};
+use termion::color;
+use users::{get_current_uid, get_user_by_uid};
+
+pub fn single(e: &std::path::PathBuf, size_count: usize) -> Result<(), Box<dyn std::error::Error>> {
+  print!("{}", Style::new().underline().paint("permissions"));
+  for _ in 0..2 {
+    print!("{}", Style::new().underline().paint(" "))
+  }
+  print!(" {}", Style::new().underline().paint("size"));
+  for _ in 0..(size_count - 4) {
+    print!("{}", Style::new().underline().paint(" "))
+  }
+
+  print!(" {}", Style::new().underline().paint("modified"));
+
+  for _ in 0..11 {
+    print!("{}", Style::new().underline().paint(" "))
+  }
+
+  print!(" {}", Style::new().underline().paint("user"));
+
+  for _ in 0..(get_user_by_uid(get_current_uid())
+    .unwrap()
+    .name()
+    .to_str()
+    .unwrap()
+    .len()
+    - 4)
+  {
+    print!("{}", Style::new().underline().paint(" "))
+  }
+
+  print!(" {}", Style::new().underline().paint("name"));
+
+  print!("\n");
+
+  let meta = fs::metadata(&e)?;
+  let mode = meta.mode();
+  let user_has_write_access = mode & 0o200;
+  let user_has_read_write_access = mode & 0o600;
+  let group_has_read_access = mode & 0o040;
+  let others_have_exec_access = mode & 0o001;
+  let mut mode_count = 0;
+  if user_has_write_access == 128 {
+    print!("{}", color::Fg(color::Red));
+    print!("w");
+    print!("{}", color::Fg(color::White));
+    print!("-");
+    mode_count += 2;
+  }
+  if user_has_read_write_access == 384 {
+    print!("{}", color::Fg(color::LightYellow));
+    print!("r");
+    print!("{}", color::Fg(color::LightRed));
+    print!("w");
+    print!("{}", color::Fg(color::White));
+    print!("-");
+    mode_count += 3;
+  }
+  if group_has_read_access == 32 {
+    print!("{}", color::Fg(color::Green));
+    print!("x");
+    print!("{}", color::Fg(color::LightYellow));
+    print!("a");
+    print!("{}", color::Fg(color::White));
+    print!("-");
+    mode_count += 3;
+  }
+  if others_have_exec_access == 1 {
+    print!("{}", color::Fg(color::Yellow));
+    print!("xw");
+    print!("{}", color::Fg(color::White));
+    print!("-");
+    mode_count += 3;
+  }
+  print!("{}", color::Fg(color::White));
+  print!("-@");
+  mode_count += 2;
+  for _ in 0..(13 - mode_count) {
+    print!(" ")
+  }
+
+  for _ in 0..(size_count - convert(fs::metadata(&e)?.size() as f64).len()) {
+    print!(" ")
+  }
+  print!("{}", color::Fg(color::Green));
+  print!(
+    " {}",
+    Style::new()
+      .bold()
+      .paint(convert(fs::metadata(&e)?.size() as f64))
+  );
+
+  if let Ok(time) = e.metadata()?.modified() {
+    print!("{}", color::Fg(color::LightRed));
+    let datetime: DateTime<Utc> = time.into();
+    print!(" {} ", datetime.format("%d-%m-%Y"));
+    print!("{}", datetime.format("%T"))
+  }
+
+  print!("{}", color::Fg(color::Yellow));
+  print!(
+    " {} ",
+    Style::new().bold().paint(
+      get_user_by_uid(get_current_uid())
+        .unwrap()
+        .name()
+        .to_str()
+        .unwrap()
+    )
+  );
+
+  print!("{}", color::Fg(color::White));
+  if e.metadata()?.is_dir() {
+    print!("{}", color::Fg(color::LightBlue));
+    println!("{}/", &e.file_name().unwrap().to_str().unwrap());
+  } else {
+    print!("{}", color::Fg(color::LightGreen));
+    println!(
+      "{}",
+      Style::new()
+        .bold()
+        .paint(e.file_name().unwrap().to_str().unwrap())
+    );
+  }
+  Ok(())
+}