Create the entry if it doesn't exist.

src/format.rs

@@ -25,7 +25,10 @@ pub(super) async fn format_status(
         time_prefix = time_prefix,
         timestamp = status.created_at.with_timezone(&Local).format("%H:%M"),
         ancestor_prefix = ancestor_prefix,
-        status = apply_block_quote(depth, (&status.content).trim()),
+        status = apply_block_quote(
+            depth,
+            (status.content.replace("'", "'").replace("\"_", "\"")).trim()
+        ),
         attachments = format_attachments(depth, &status.media_attachments)
     );
     let Response { json, .. } = client.get_status_context(status.id.clone(), None).await?;

src/main.rs

@@ -1,4 +1,4 @@
-use anyhow::Result;
+use anyhow::{Context, Result};
 use chrono::{DateTime, Local, Utc};
 use clap::{arg, command, Parser};
 use log::{debug, trace};
@@ -9,6 +9,7 @@ use megalodon::{
     response::Response,
     Megalodon,
 };
+use tokio::fs::try_exists;
 use tokio_stream::{iter, StreamExt};
 
 use std::{env, fs::File, io::prelude::*};
@@ -121,9 +122,23 @@ async fn main() -> Result<()> {
     reversed.reverse();
 
     if let Some(output_dir) = output_dir {
-        let output = format!("{}{}.md", output_dir, date);
-        let mut f = File::options().append(true).open(&output)?;
-        f.write_all(&reversed.join("\n\n").as_bytes())?;
+        let output = format!("{}/{}.md", output_dir.trim_end_matches("/"), date);
+        let mut f = match try_exists(&output).await {
+            Ok(exists) if exists => {
+                debug!("Appending {}", output);
+                File::options().append(true).open(&output)?
+            }
+            _ => {
+                debug!("Writing {}", output);
+                File::options()
+                    .create(true)
+                    .append(true)
+                    .open(&output)
+                    .with_context(|| format!("Failed to create {}", output))?
+            }
+        };
+        f.write_all(&reversed.join("\n\n").as_bytes())
+            .with_context(|| format!("Failed to write all to {}", output))?;
         println!("Appended matching posts to {}.", output);
     } else {
         println!("{}", reversed.join("\n\n"));