cache stdout handle

.gitignore

@@ -1 +1,3 @@
 /target
+/flamegraph.svg
+/perf.data*

Cargo.lock

@@ -413,6 +413,7 @@ dependencies = [
  "prettytable-rs",
  "readfilez",
  "string_cache",
+ "term",
  "thiserror",
 ]
 

Cargo.toml

@@ -13,3 +13,7 @@ readfilez = "0.2"
 string_cache = "0.8"
 thiserror = "1.0"
 prettytable = { version = "0.8", package = "prettytable-rs" }
+term = "0.5"
+
+[profile.release]
+lto = true

src/main.rs

@@ -13,7 +13,10 @@ fn main() {
     use chrono::Datelike;
     use encoding::types::Encoding;
     use prettytable::{cell, format, row, Table};
-    use std::collections::{BTreeMap, HashSet};
+    use std::{
+        collections::{BTreeMap, HashSet},
+        io::Write,
+    };
 
     let mut highlight = HashSet::new();
 
@@ -26,8 +29,10 @@ fn main() {
         highlight.remove(";");
     }
 
+    let mut stdout = term::stdout().unwrap();
+
     for i in args {
-        println!("F = {}", i);
+        writeln!(&mut stdout, "F = {}", i).unwrap();
 
         let fh = readfilez::read_from_file(std::fs::File::open(i)).expect("unable to open file");
 
@@ -107,7 +112,7 @@ fn main() {
             ent.1 += i.umsatz;
         }
 
-        println!("skipped {} entries", i_skipped);
+        writeln!(&mut stdout, "skipped {} entries", i_skipped).unwrap();
 
         if accu.is_empty() {
             continue;
@@ -152,6 +157,8 @@ fn main() {
             });
         }
 
-        table.printstd();
+        table
+            .print_term(&mut *stdout)
+            .expect("unable to print table");
     }
 }