diff --git a/src/lib/common.sh b/src/lib/common.sh
index f1dcb73..70bfa77 100644
--- a/src/lib/common.sh
+++ b/src/lib/common.sh
@@ -17,7 +17,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 log() {
-    # Logger. Write message to __log_file.
+    # Logger. Write message to log_file.
     #
     # Usage: log [-pV] MESSAGE
     #
@@ -45,7 +45,7 @@ log() {
         esac
     done
 
-    if [ -n "$print" ] || [ -n "$__verbose" ]; then
+    if [ -n "$print" ] || [ -n "$verbose_output" ]; then
         if [ -n "$print" ] || [ -z "$ignore_verbose" ]; then
             echo -e "$message"
         fi
@@ -55,9 +55,13 @@ log() {
     sed -r 's/\x1B\[(([0-9]+)(;[0-9]+)*)?[m,K,H,f,J]//g' |
     while read -r line; do
         if [ -n "$line" ]; then
-            # shellcheck disable=SC2154
-            printf '[%s] %s\n' \
-                "$(date +"$log_date_format")" "$line" >> "$__log_file"
+            if [ -n "$use_syslog" ]; then
+                logger --id="$$" --tag boring_backup "$line"
+            else
+                # shellcheck disable=SC2154
+                printf '[%s] %s\n' \
+                    "$(date +"$log_date_format")" "$line" >> "$log_file"
+            fi
         fi
     done
 }
@@ -69,7 +73,7 @@ handle_error() {
 
     # Display amd log message
     log -p "$*" >&2
-    log -p "Check $__log_file log for details." >&2
+    log -p "Check $log_file log for details." >&2
 
     # Run user defined error handler function if set
     if is_function_set on_error; then
@@ -126,8 +130,6 @@ set_compression() {
     gzip|gz)    cmpr_ext='.gz';    tar_ext='.tar.gz';   cmpr_cmd='gzip';;
     tgz)        cmpr_ext='.gz';    tar_ext='.tgz';      cmpr_cmd='gzip';;
     taz)        cmpr_ext='.gz';    tar_ext='.taz';      cmpr_cmd='gzip';;
-    compress|Z) cmpr_ext='.Z';     tar_ext='.tar.Z';    cmpr_cmd='compress';;
-    taZ)        cmpr_ext='.Z';     tar_ext='.taZ';      cmpr_cmd='compress';;
     bzip2|bz2)  cmpr_ext='.bz2';   tar_ext='.tar.bz2';  cmpr_cmd='bzip2';;
     tz2)        cmpr_ext='.bz2';   tar_ext='.tz2';      cmpr_cmd='bzip2';;
     tbz2)       cmpr_ext='.bz2';   tar_ext='.tbz2';     cmpr_cmd='bzip2';;
@@ -172,15 +174,18 @@ compress_file() {
     # Compress file
     if [ -n "$cmpr_cmd" ]; then
         log -V "Compressing file $1 by ${cmpr_cmd%% *} ..."
-        $cmpr_cmd "$1" 2>> "$__log_file"
+        $cmpr_cmd "$1" 2>> "$log_file"
         compressed="${1}${cmpr_ext}"
-    fi
 
-    if [ -f "$compressed" ]; then
-        if [ -f "$1" ]; then
-            log "Remove uncompressed file $1"
-            rm -- "$1"
+        # Remove original file.
+        if [ -f "$compressed" ]; then
+            if [ -f "$1" ]; then
+                log "Remove uncompressed file $1"
+                rm -- "$1"
+            fi
         fi
+    else
+        compressed="$1"
     fi
 
     echo "$compressed"