cli: Add --raw flag

Cargo.lock

@@ -163,7 +163,7 @@ dependencies = [
 
 [[package]]
 name = "kalk"
-version = "3.2.0"
+version = "3.2.1"
 dependencies = [
  "lazy_static",
  "regex",
@@ -175,7 +175,7 @@ dependencies = [
 
 [[package]]
 name = "kalker"
-version = "2.2.0"
+version = "2.2.1"
 dependencies = [
  "ansi_term",
  "atty",

cli/src/main.rs

@@ -41,6 +41,11 @@ fn main() {
         .flag(
             Flag::new("no-leading-eq", FlagType::Bool)
                 .description("Don't include an equal sign at the start of results")
+        )
+        .flag(
+            Flag::new("raw", FlagType::Bool)
+                .description("Only print a single number as the result, nothing else.")
+                .alias("r")
         );
 
     app.run(args);
@@ -91,7 +96,8 @@ fn default_action(context: &Context) {
             &mut parser_context,
             precision,
             format,
-            context.bool_flag("no-leading-eq")
+            context.bool_flag("no-leading-eq"),
+            context.bool_flag("raw")
         );
     } else {
         // Direct output
@@ -101,7 +107,8 @@ fn default_action(context: &Context) {
             precision,
             10u8,
             format,
-            context.bool_flag("no-leading-eq")
+            context.bool_flag("no-leading-eq"),
+            context.bool_flag("raw")
         );
     }
 }

cli/src/output.rs

@@ -9,7 +9,8 @@ pub fn eval(
     precision: u32,
     base: u8,
     format: ScientificNotationFormat,
-    no_leading_equal: bool
+    no_leading_equal: bool,
+    raw: bool
 ) {
     match parser::eval(parser, input, precision) {
         Ok(Some(mut result)) => {
@@ -19,7 +20,7 @@ pub fn eval(
                 return;
             }
 
-            if precision == DEFAULT_PRECISION {
+            if precision == DEFAULT_PRECISION && !raw {
                 let mut result_str = result.to_string_pretty_format(format);
                 if no_leading_equal {
                     result_str = result_str

cli/src/repl.rs

@@ -31,7 +31,8 @@ pub fn start(
     parser: &mut parser::Context,
     precision: u32,
     format: ScientificNotationFormat,
-    no_leading_equal: bool
+    no_leading_equal: bool,
+    raw: bool
 ) {
     let mut editor = Editor::<RLHelper>::new();
     editor.set_helper(Some(RLHelper {
@@ -78,7 +79,7 @@ pub fn start(
         match readline {
             Ok(input) => {
                 editor.add_history_entry(input.as_str());
-                eval_repl(&mut repl, parser, &input, precision, no_leading_equal);
+                eval_repl(&mut repl, parser, &input, precision, no_leading_equal, raw);
             }
             Err(ReadlineError::Interrupted) => break,
             _ => break,
@@ -95,7 +96,8 @@ fn eval_repl(
     parser: &mut parser::Context,
     input: &str,
     precision: u32,
-    no_leading_equal: bool
+    no_leading_equal: bool,
+    raw: bool
 ) {
     if let Some(file_name) = input.strip_prefix("load ") {
         if let Some(file_path) = crate::get_input_file_by_name(file_name) {
@@ -144,7 +146,7 @@ fn eval_repl(
         "clear" => print!("\x1B[2J"),
         "exit" => process::exit(0),
         "help" => print_cli_help(),
-        _ => output::eval(parser, input, precision, repl.base, repl.mode, no_leading_equal),
+        _ => output::eval(parser, input, precision, repl.base, repl.mode, no_leading_equal, raw),
     }
 }