Auto dectect gzip for catlog

bash/bashrc/sources/60_diagnostics

@@ -1,24 +1,21 @@
 #!/bin/bash
 
 function catlog () {
-    if [[ -z "$1" ]]; then
-        __func_head "[z] FILE"
-        echo "  Will exclude:"
-        cat ~/.settings/checklog_exclude | awk '{ print "    "$1 }'
-        echo 
-    else
-        GZIP=false
-        if [ "$1" == "z" ]; then
-            GZIP=true
-            shift
-        fi
+	if [[ -z "$1" ]]; then
+		__func_head "FILE"
+		echo "  Will exclude:"
+		cat ~/.settings/checklog_exclude | awk '{ print "    "$1 }'
+		echo
+	else
+		GZIP=
+		file "$1" | grep gzip > /dev/null && GZIP=true
 
-        EXCLUDE=$(awk '{ printf("(%s)|", $1) }' ~/.settings/checklog_exclude | sed 's/|$//')
+		EXCLUDE=$(awk '{ printf("(%s)|", $1) }' ~/.settings/checklog_exclude | sed 's/|$//')
 
-        if $GZIP; then
-            gunzip -c $1 | egrep -v $EXCLUDE
-        else
+		if [ $GZIP ]; then
+			gunzip -c $1 | egrep -v $EXCLUDE
+		else
 			egrep -v $EXCLUDE $1
-        fi
-    fi
+		fi
+	fi
 }