Add an option to force writing to stdout (#37)

Signed-off-by: Gavin D. Howard <gavin@gavinhoward.com>

src/cli.rs

@@ -36,6 +36,10 @@ environment variable REP_PAGER can be used to override the pager.
  /// Disable color
  pub no_color: bool,
 
+ #[structopt(long = "stdout")]
+ /// Force printing to standard output without using a pager
+ pub stdout: bool,
+
  #[structopt(short = "f", long = "flags", verbatim_doc_comment)]
  #[rustfmt::skip]
  /** Regex flags. May be combined (like `-f mc`)

src/input.rs

@@ -11,15 +11,19 @@ impl App {
  Self { replacer }
  }
 
- pub(crate) fn run(&self, preview: bool, delete: bool, color: bool, pager: Option<String>) -> Result<()> {
+ pub(crate) fn run(&self, preview: bool, delete: bool, color: bool, stdout: bool, pager: Option<String>) -> Result<()> {
  {
  let stdin = std::io::stdin();
  let handle = stdin.lock();
 
  // FIXME: Instantiating `output_type` and `write` should only happen if `preview` is true
- let mut output_type = match OutputType::for_pager(pager, true) {
- Ok(output_type) => output_type,
- Err(_) => return Ok(()), // FIXME:
+ let mut output_type = if stdout {
+ OutputType::stdout()
+ } else {
+ match OutputType::for_pager(pager, true) {
+ Ok(output_type) => output_type,
+ Err(_) => return Ok(()), // FIXME:
+ }
  };
 
  let write = match output_type.handle() {

src/main.rs

@@ -42,9 +42,9 @@ fn main() -> Result<()> {
  options.replacements,
  )?),
  )
- .run(!options.write, options.delete, color, pager)?;
+ .run(!options.write, options.delete, color, options.stdout, pager)?;
  } else {
- App::new(None).run(!options.write, options.delete, color, pager)?;
+ App::new(None).run(!options.write, options.delete, color, options.stdout, pager)?;
  }
 
  process::exit(0);

src/output.rs

@@ -68,7 +68,7 @@ impl OutputType {
  })
  }
 
- fn stdout() -> Self {
+ pub fn stdout() -> Self {
  OutputType::Stdout(io::stdout())
  }