diff --git a/src/core/health.rs b/src/core/health.rs
index 9e6872a..e4ccc20 100644
--- a/src/core/health.rs
+++ b/src/core/health.rs
@@ -9,7 +9,7 @@ use crate::{
         color::{Color, ColorExt},
         constant::CAP_MKNOD,
     },
-    success, warn,
+    successln, warnln,
 };
 
 use super::constant::CAP_SYS_ADMIN;
@@ -64,11 +64,11 @@ pub async fn check_health() {
 
     println!("{0}  USER NAMESPACE CHECK {0}", "☵".repeat(4));
     for error in &errors {
-        warn!("{}", error);
+        warnln!("{}", error);
     }
 
     if errors.is_empty() {
-        success!("User namespace checked successfully.")
+        successln!("User namespace checked successfully.")
     } else {
         println!(
             "{} {}",
@@ -168,13 +168,13 @@ async fn check_fusermount() {
     }
 
     if !error.is_empty() {
-        warn!(
+        warnln!(
             "{}\n{} {}",
             error,
             "More info at:".color(Color::Cyan),
             "https://l.ajam.dev/fuse".color(Color::Blue)
         );
     } else {
-        success!("Fuse checked successfully.");
+        successln!("Fuse checked successfully.");
     }
 }
diff --git a/src/core/log.rs b/src/core/log.rs
index 20ca435..2ea6da2 100644
--- a/src/core/log.rs
+++ b/src/core/log.rs
@@ -1,27 +1,55 @@
 #[macro_export]
-macro_rules! warn {
+macro_rules! warnln {
     ($($arg:tt)*) => {
         println!("{} {}", "[WARN]".color(Color::BrightYellow).bold(), format!($($arg)*))
     };
 }
 
 #[macro_export]
-macro_rules! info {
+macro_rules! infoln {
     ($($arg:tt)*) => {
         println!("{} {}", "[INFO]".color(Color::BrightBlue).bold(), format!($($arg)*))
     };
 }
 
 #[macro_export]
-macro_rules! error {
+macro_rules! errorln {
     ($($arg:tt)*) => {
         eprintln!("{} {}", "[ERROR]".color(Color::BrightRed).bold(), format!($($arg)*))
     };
 }
 
 #[macro_export]
-macro_rules! success {
+macro_rules! successln {
     ($($arg:tt)*) => {
         println!("{} {}", "[SUCCESS]".color(Color::BrightGreen).bold(), format!($($arg)*))
     };
 }
+
+#[macro_export]
+macro_rules! warn {
+    ($($arg:tt)*) => {
+        print!("{} {}", "[WARN]".color(Color::BrightYellow).bold(), format!($($arg)*))
+    };
+}
+
+#[macro_export]
+macro_rules! info {
+    ($($arg:tt)*) => {
+        print!("{} {}", "[INFO]".color(Color::BrightBlue).bold(), format!($($arg)*))
+    };
+}
+
+#[macro_export]
+macro_rules! error {
+    ($($arg:tt)*) => {
+        eprint!("{} {}", "[ERROR]".color(Color::BrightRed).bold(), format!($($arg)*))
+    };
+}
+
+#[macro_export]
+macro_rules! success {
+    ($($arg:tt)*) => {
+        print!("{} {}", "[SUCCESS]".color(Color::BrightGreen).bold(), format!($($arg)*))
+    };
+}
diff --git a/src/core/util.rs b/src/core/util.rs
index 4662b95..a4644f2 100644
--- a/src/core/util.rs
+++ b/src/core/util.rs
@@ -385,7 +385,7 @@ pub fn interactive_ask(ques: &str, ask_type: AskType) -> Result<String> {
     if ask_type == AskType::Warn {
         warn!("{ques}");
     } else {
-        println!("{ques}");
+        print!("{ques}");
     }
 
     std::io::stdout().flush()?;
diff --git a/src/lib.rs b/src/lib.rs
index 8f6937d..b89f714 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,7 +27,7 @@ pub async fn init() -> Result<()> {
 
     let path_env = env::var("PATH")?;
     if !path_env.split(':').any(|p| Path::new(p) == *BIN_PATH) {
-        warn!(
+        warnln!(
             "{} is not in {1}. Please add it to {1} to use installed binaries.",
             &*BIN_PATH.to_string_lossy().color(Color::Blue),
             "PATH".color(Color::BrightGreen).bold()
diff --git a/src/misc/download.rs b/src/misc/download.rs
index d71d7c9..3d467e1 100644
--- a/src/misc/download.rs
+++ b/src/misc/download.rs
@@ -19,7 +19,7 @@ use crate::{
     error,
     package::parse_package_query,
     registry::{select_single_package, PackageRegistry},
-    success,
+    successln,
 };
 
 fn extract_filename(url: &str) -> String {
@@ -117,7 +117,7 @@ async fn download(url: &str, output: Option<String>) -> Result<()> {
         fs::set_permissions(&output_path, Permissions::from_mode(0o755)).await?;
     }
 
-    success!("Downloaded {}", output_path.display().color(Color::Blue));
+    successln!("Downloaded {}", output_path.display().color(Color::Blue));
 
     Ok(())
 }
diff --git a/src/package/appimage.rs b/src/package/appimage.rs
index 1a5bc37..62b9255 100644
--- a/src/package/appimage.rs
+++ b/src/package/appimage.rs
@@ -16,7 +16,7 @@ use crate::{
         constant::{BIN_PATH, PACKAGES_PATH},
         util::{download, home_data_path},
     },
-    error, info,
+    error, infoln,
 };
 
 use super::Package;
@@ -68,9 +68,12 @@ fn normalize_image(image: DynamicImage) -> DynamicImage {
     let (new_width, new_height) = find_nearest_supported_dimension(width, height);
 
     if (width, height) != (new_width, new_height) {
-        info!(
+        infoln!(
             "Resizing image from {}x{} to {}x{}",
-            width, height, new_width, new_height
+            width,
+            height,
+            new_width,
+            new_height
         );
         image.resize(new_width, new_height, FilterType::Lanczos3)
     } else {
diff --git a/src/package/mod.rs b/src/package/mod.rs
index 44aab25..25d72da 100644
--- a/src/package/mod.rs
+++ b/src/package/mod.rs
@@ -127,7 +127,16 @@ pub fn parse_package_query(query: &str) -> PackageQuery {
 
 #[inline]
 pub fn ask_package_info(name: &str, path: &Path, size: u64) -> Result<ResolvedPackage> {
-    let bin_name = interactive_ask("Binary Name:", AskType::Normal)?;
+    let bin_name = loop {
+        let bin_name = interactive_ask("Binary Name: ", AskType::Normal)?;
+        if bin_name.is_empty() {
+            eprintln!("Binary name can't be empty.");
+        } else if !bin_name.chars().all(|c| c.is_alphanumeric()) {
+            eprintln!("Binary name must only contain letters and numbers.");
+        } else {
+            break bin_name;
+        }
+    };
 
     let package = Package {
         pkg: name.to_owned(),
diff --git a/src/package/remove.rs b/src/package/remove.rs
index f354047..6360952 100644
--- a/src/package/remove.rs
+++ b/src/package/remove.rs
@@ -10,7 +10,7 @@ use crate::{
     },
     package::appimage::remove_applinks,
     registry::installed::{InstalledPackage, InstalledPackages},
-    success,
+    successln,
 };
 
 pub struct Remover {
@@ -34,7 +34,7 @@ impl Remover {
         self.remove_package_path(&install_dir).await?;
         installed_packages.unregister_package(&self.package).await?;
 
-        success!(
+        successln!(
             "Package {} removed successfully.",
             package.full_name('/').color(Color::Blue)
         );
diff --git a/src/package/run.rs b/src/package/run.rs
index 4546fb3..23e4077 100644
--- a/src/package/run.rs
+++ b/src/package/run.rs
@@ -9,7 +9,7 @@ use crate::{
         color::{Color, ColorExt},
         util::{format_bytes, validate_checksum},
     },
-    error, info, warn,
+    error, infoln, warnln,
 };
 
 use super::ResolvedPackage;
@@ -43,7 +43,7 @@ impl Runner {
                     self.install_path.to_string_lossy().color(Color::Blue)
                 ));
             } else {
-                info!(
+                infoln!(
                     "Found existing cache for {}",
                     package_name.color(Color::Blue)
                 );
@@ -108,7 +108,7 @@ impl Runner {
         }
 
         if package.bsum == "null" {
-            warn!(
+            warnln!(
                 "Missing checksum for {}. Installing anyway.",
                 package.full_name('/').color(Color::Blue)
             );
diff --git a/src/package/update.rs b/src/package/update.rs
index d0cba21..f0ae4da 100644
--- a/src/package/update.rs
+++ b/src/package/update.rs
@@ -7,7 +7,7 @@ use crate::{
     core::color::{Color, ColorExt},
     error,
     registry::PackageRegistry,
-    success,
+    successln,
 };
 
 use super::{parse_package_query, PackageQuery, ResolvedPackage};
@@ -98,7 +98,7 @@ impl Updater {
             }
 
             total_progress_bar.finish_and_clear();
-            success!(
+            successln!(
                 "{} packages updated.",
                 update_count.color(Color::BrightMagenta)
             );
diff --git a/src/registry/loader.rs b/src/registry/loader.rs
index b61f3c4..7826475 100644
--- a/src/registry/loader.rs
+++ b/src/registry/loader.rs
@@ -6,7 +6,7 @@ use crate::{
         color::{Color, ColorExt},
         config::Repository,
     },
-    warn,
+    warnln,
 };
 
 use super::fetcher::MetadataFetcher;
@@ -27,7 +27,7 @@ impl MetadataLoader {
                 .with_file_name(format!("{}.remote.bsum", repo.name));
             let local_checksum = fs::read(&checksum_path).await.unwrap_or_default();
             if checksum != local_checksum {
-                warn!("Local registry is outdated. Refetching...");
+                warnln!("Local registry is outdated. Refetching...");
                 let content = fetcher.execute(repo).await;
                 fs::write(checksum_path, &checksum).await?;
                 return content;
diff --git a/src/registry/mod.rs b/src/registry/mod.rs
index d703b6a..3b14d0f 100644
--- a/src/registry/mod.rs
+++ b/src/registry/mod.rs
@@ -16,11 +16,11 @@ use crate::{
         config::CONFIG,
         util::{get_terminal_width, wrap_text},
     },
-    error, info,
+    error, infoln,
     package::{
         image::get_package_image_string, parse_package_query, update::Updater, ResolvedPackage,
     },
-    success,
+    successln,
 };
 
 mod fetcher;
@@ -304,7 +304,7 @@ impl PackageRegistry {
         drop(installed_guard);
         match result {
             Ok(_) => {
-                success!(
+                successln!(
                     "{} is linked to binary path",
                     package_name.color(Color::Blue)
                 );
@@ -336,7 +336,7 @@ impl PackageRegistry {
 }
 
 pub fn select_single_package(packages: &[ResolvedPackage]) -> Result<&ResolvedPackage> {
-    info!(
+    infoln!(
         "Multiple packages available for {}",
         packages[0].package.pkg.clone().color(Color::Blue)
     );
diff --git a/src/registry/storage.rs b/src/registry/storage.rs
index ba1b965..222e0c3 100644
--- a/src/registry/storage.rs
+++ b/src/registry/storage.rs
@@ -30,7 +30,7 @@ use crate::{
         ask_package_info, parse_package_query, run::Runner, Package, PackageQuery, ResolvedPackage,
     },
     registry::installed::InstalledPackages,
-    warn,
+    warnln,
 };
 
 use super::select_single_package;
@@ -126,7 +126,7 @@ impl PackageStorage {
             .into_iter()
             .filter_map(|(package, is_installed)| {
                 if is_installed {
-                    warn!(
+                    warnln!(
                         "{} is already installed - {}",
                         package.package.full_name('/'),
                         if force { "reinstalling" } else { "skipping" }