Added Updates

functions/extract.fish

@@ -0,0 +1,57 @@
+function extract
+    if test (count $argv) -lt 1
+        echo "Usage: extract <archive(s)> [output_directory]"
+        return 1
+    end
+
+    set output_dir "."
+    set archives $argv
+
+    # If there's more than one argument, check the last one for a directory
+    if test (count $argv) -gt 1
+        set maybe_dir $argv[-1]
+        if not test -f $maybe_dir
+            set output_dir $maybe_dir
+            mkdir -p $output_dir
+            set archives $argv[1..-2]
+        end
+    else
+        # If only one argument and it's a file, create directory with same name as archive (without extension)
+        set archive $argv[1]
+        if test -f "$archive"
+            set output_dir (string replace -r '\.(tar\.gz|tgz|tar\.bz2|tbz2|tar\.xz|txz|gz|bz2|xz|zst|zip|7z|rar)$' '' (basename "$archive"))
+            mkdir -p $output_dir
+        end
+    end
+
+    for archive in $archives
+        if not test -f "$archive"
+            echo "extract: '$archive' is not a valid file"
+            continue
+        end
+
+        set mime (file --mime-type -b "$archive")
+
+        switch $mime
+            case 'application/x-tar'
+                tar xvf "$archive" -C "$output_dir"
+            case 'application/gzip'
+                tar xvzf "$archive" -C "$output_dir" ^/dev/null; or gunzip -c "$archive" > "$output_dir/(basename (string replace -r '\.gz$' '' "$archive"))"
+            case 'application/x-bzip2'
+                tar xvjf "$archive" -C "$output_dir" ^/dev/null; or bunzip2 -c "$archive" > "$output_dir/(basename (string replace -r '\.bz2$' '' "$archive"))"
+            case 'application/x-xz'
+                tar xvJf "$archive" -C "$output_dir" ^/dev/null; or unxz -c "$archive" > "$output_dir/(basename (string replace -r '\.xz$' '' "$archive"))"
+            case 'application/zstd'
+                tar --zstd -xvf "$archive" -C "$output_dir" ^/dev/null; or unzstd -c "$archive" > "$output_dir/(basename (string replace -r '\.zst$' '' "$archive"))"
+            case 'application/zip'
+                unzip -j "$archive" -d "$output_dir"
+            case 'application/x-7z-compressed'
+                7z x "$archive" -o"$output_dir"
+            case 'application/x-rar' 'application/vnd.rar'
+                unrar x -o+ "$archive" "$output_dir"
+            case '*'
+                echo "extract: unknown file type for '$archive' ($mime)"
+                continue
+        end
+    end
+end