diff --git a/README.org b/README.org
index b9715ad..d03d0af 100644
--- a/README.org
+++ b/README.org
@@ -23,7 +23,7 @@
 
   #+begin_src sh
     # sf -- script framework (https://github.com/Deleh/sf)
-    sftrs=$'\e[0m';sftbf=$'\e[1m';sftdim=$'\e[2m';sftul=$'\e[4m';sftblk=$'\e[5m';sftinv=$'\e[7m';sfthd=$'\e[8m';sftclr=$'\e[1A\e[K';sftk=$'\e[30m';sftr=$'\e[31m';sftg=$'\e[32m';sfty=$'\e[33m';sftb=$'\e[34m';sftm=$'\e[35m';sftc=$'\e[36m';sftw=$'\e[97m';function sferr { echo "${sftbf}${sftr}ERROR${sftrs} $1";[ -z "$2" ]&&exit 1;};function sfwarn { echo "${sftbf}${sfty}WARNING${sftrs} $1";};function sfask { if [ -n "$2" ];then read -r -p "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] " sfin;[[ "$sfin" =~ n|N|^$ ]]&&sfin=false||sfin=true;else read -r -p "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] " sfin;[[ "$sfin" =~ y|Y|^$ ]]&&sfin=true||sfin=false;fi;};function sfget { if [ -n "$2" ];then read -r -p "$1 [${sftbf}$2${sftrs}]: " sfin;else read -r -p "$1: " sfin;fi;[ "$sfin" == "" ]&&[ "$2" != "" ]&&sfin="$2";};function _sferr { echo "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1";exit 1;};OLDIFS=$IFS;IFS=";";_sfpargs=();_sfpheads=();_sfpoffset=0;_sfptails=();_sfpusage="";_sfoheads=();_sfooffset=0;_sfotails=();declare -A _sfflags;declare -A _sfargs;sfargs=("${sfargs[@]}" "help;h;Show this help message and exit");for a in "${sfargs[@]}";do _sfsubst=${a//";"};_sfcount="$(((${#a} - ${#_sfsubst})))";if [ "$_sfcount" -eq 1 ];then read -r -a _sfparsearr<<<"${a}";[[ " ${_sfpargs[*]} " =~ " ${_sfparsearr[0]} " ]]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfpargs+=("${_sfparsearr[0]}");_sfpusage="$_sfpusage ${_sfparsearr[0]}";_sfphead="${_sfparsearr[0]}";[ "${#_sfphead}" -gt "${_sfpoffset}" ]&&_sfpoffset="${#_sfphead}";_sfpheads+=("$_sfphead");_sfptails+=("${_sfparsearr[1]}");elif [ "$_sfcount" -eq 2 ];then read -r -a _sfparsearr<<<"${a}";[ -n "${_sfflags["--${_sfparsearr[0]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfflags["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";[ -n "${_sfflags["-${_sfparsearr[1]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[1]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";declare "${_sfparsearr[0]//-/_}"=false;_sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]}";[ "${#_sfohead}" -gt "${_sfooffset}" ]&&_sfooffset="${#_sfohead}";_sfoheads+=("$_sfohead");_sfotails+=("${_sfparsearr[2]}");elif [ "$_sfcount" -eq 4 ];then read -r -a _sfparsearr<<<"${a}";[ -n "${_sfargs["--${_sfparsearr[0]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfargs["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";[ -n "${_sfargs["-${_sfparsearr[1]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[1]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";declare "${_sfparsearr[0]//-/_}"="${_sfparsearr[3]}";_sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]}";[ "${#_sfohead}" -gt "${_sfooffset}" ]&&_sfooffset="${#_sfohead}";_sfoheads+=("$_sfohead");[ "${_sfparsearr[3]}" != "" ]&&_sfotails+=("${_sfparsearr[4]} (default: ${_sfparsearr[3]})")||_sfotails+=("${_sfparsearr[4]}");else _sferr "Wrong argument declaration: ${sftbf}${a}${sftrs}";fi;done;_sfeheads=();_sfetails=();_sfeoffset=0;for e in "${sfexamples[@]}";do _sfsubst=${e//";"};_sfcount="$(((${#e} - ${#_sfsubst})))";if [ "$_sfcount" -eq 1 ];then read -r -a _sfparsearr<<<"${e}";_sfehead="${_sfparsearr[0]}";[ "${#_sfehead}" -gt "${_sfeoffset}" ]&&_sfeoffset="${#_sfehead}";_sfeheads+=("$_sfehead");_sfetails+=("${_sfparsearr[1]}");else _sferr "Wrong example declaration: ${sftbf}${e}${sftrs}";fi;done;IFS=$OLDIFS;[ "$sfparr" == true ]&&[ "${#_sfpargs[@]}" == 0 ]&&_sferr "At least one positional argument must be used with ${sftbf}sfparr${sftrs}";_sfpoffset=$(("_sfpoffset" + 3));_sfooffset=$(("_sfooffset" + 3));_sfeoffset=$(("_sfeoffset" + 3));_sfwidth=$(stty size|cut -d ' ' -f 2);_sfpdesc="";for i in "${!_sfptails[@]}";do _sfptail="${_sfptails[$i]}";if [ "$((${#_sfptail} + _sfpoffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfpoffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfptail=$(echo "$_sfptail"|fold -s -w "$_sftmpwidth");_sfptail="${_sfptail//$' \n'/$'\n;'}";fi;_sfpdesc="${_sfpdesc}  ${_sfpheads[$i]};${_sfptail}\n";done;_sfodesc="";for i in "${!_sfotails[@]}";do _sfotail="${_sfotails[$i]}";if [ "$((${#_sfotail} + _sfooffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfooffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfotail=$(echo "$_sfotail"|fold -s -w "$_sftmpwidth");_sfotail="${_sfotail//$' \n'/$'\n;'}";fi;_sfodesc="${_sfodesc}  ${_sfoheads[$i]};${_sfotail}\n";done;_sfexamples="";for i in "${!_sfetails[@]}";do _sfetail="${_sfetails[$i]}";if [ "$((${#_sfetail} + _sfeoffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfeoffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfetail=$(echo "$_sfetail"|fold -s -w "$_sftmpwidth");_sfetail="${_sfetail//$' \n'/$'\n;'}";fi;_sfexamples="${_sfexamples}  ${_sfeheads[$i]};${_sfetail}\n";done;function _sfusage { echo -n "Usage: $(basename "$0") [OPTIONS]";echo -ne "$_sfpusage";[ "$sfparr" == true ]&&echo -n " ...";echo;[ -n "${sfdesc}" ]&&echo -e "\n$sfdesc"|fold -s -w "$_sfwidth";if [ "$_sfpdesc" != "" ];then echo -e "\nPOSITIONAL ARGUMENTS";echo -e "$_sfpdesc"|column -s ";" -t -W 2;fi;if [ "$_sfodesc" != "" ];then echo -e "\nOPTIONS";echo -e "$_sfodesc"|column -s ";" -t -W 2;fi;if [ "$_sfexamples" != "" ];then echo -e "\nEXAMPLES";echo -e "$_sfexamples"|column -s ";" -t -W 2;fi;if [ -n "${sfextra}" ];then echo -e "\n$sfextra";fi;exit 0;};for a in "$@";do [ "$a" == "-h" ]||[ "$a" == "--help" ]&&_sfusage;done;for d in "${sfdeps[@]}";do if ! command -v "$d"&>/dev/null;then sferr "Command ${sftbf}${d}${sftrs} not found" 0;_sfdeperr=true;fi;done;[ "$_sfdeperr" == true ]&&exit 1;while(("$#"));do if [ -n "${_sfflags["$1"]}" ];then declare "${_sfflags["$1"]//-/_}"=true;elif [ -n "${_sfargs["$1"]}" ];then if [ -n "$2" ]&&[ "${2:0:1}" != "-" ];then declare "${_sfargs["$1"]//-/_}"="$2";shift;else sferr "Argument for ${sftbf}${1}${sftrs} missing";fi;else if [ "${1:0:1}" == "-" ];then sferr "Unsupported argument/flag: ${sftbf}${1}${sftrs}";else if [ "${#_sfpargs[@]}" != 0 ];then declare "${_sfpargs[0]//-/_}"="$1";[ "$sfparr" == true ]&&_sfplast="${_sfpargs[0]//-/_}"&&_sfparr=("$1");_sfpargs=("${_sfpargs[@]:1}");elif [ "$sfparr" == true ];then _sfparr+=("$1");else sferr "Too many positional arguments";fi;fi;fi;shift;done;[ "$sfparr" == true ]&&[ "${#_sfparr[@]}" -gt 0 ]&&read -r -a "${_sfplast?}"<<<"${_sfparr[@]}";if [ "${#_sfpargs[@]}" -gt 0 ];then for p in "${_sfpargs[@]}";do sferr "Positional argument ${sftbf}${p}${sftrs} missing" 0;done;exit 1;fi;unset a d e i OLDIFS _sfargs _sfehead _sfeheads _sfeoffset _sferr _sfetails _sfexamples _sfflags _sfodesc _sfohead _sfoheads _sfooffset _sfotails _sfpargs _sfparr _sfpdesc _sfphead _sfpheads _sfplast _sfpoffset _sfptails _sfpusage _sftmpwidth _sfusage _sfwidth
+    sftrs=$'\e[0m';sftbf=$'\e[1m';sftdim=$'\e[2m';sftul=$'\e[4m';sftblk=$'\e[5m';sftinv=$'\e[7m';sfthdn=$'\e[8m';sftclr=$'\e[1A\e[K';sftk=$'\e[30m';sftr=$'\e[31m';sftg=$'\e[32m';sfty=$'\e[33m';sftb=$'\e[34m';sftm=$'\e[35m';sftc=$'\e[36m';sftw=$'\e[97m';function sferr { echo -e "${sftbf}${sftr}ERROR${sftrs} $1";[ -z "$2" ]&&exit 1;};function sfwarn { echo -e "${sftbf}${sfty}WARNING${sftrs} $1";};function sfask { if [ -n "$2" ];then echo -ne "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] ";read -r sfin;[[ "$sfin" =~ n|N|^$ ]]&&sfin=false||sfin=true;else echo -ne "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] ";read -r sfin;[[ "$sfin" =~ y|Y|^$ ]]&&sfin=true||sfin=false;fi;};function sfget { if [ -n "$2" ];then read -r -p "$1 [${sftbf}$2${sftrs}]: " sfin;else read -r -p "$1: " sfin;fi;[ "$sfin" == "" ]&&[ "$2" != "" ]&&sfin="$2";};function _sferr { echo "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1";exit 1;};OLDIFS=$IFS;IFS=";";_sfpargs=();_sfpheads=();_sfpoffset=0;_sfptails=();_sfpusage="";_sfoheads=();_sfooffset=0;_sfotails=();declare -A _sfflags;declare -A _sfargs;sfargs=("${sfargs[@]}" "help;h;Show this help message and exit");for a in "${sfargs[@]}";do _sfsubst=${a//";"};_sfcount="$((${#a} - ${#_sfsubst}))";if [ "$_sfcount" -eq 1 ];then read -r -a _sfparsearr<<<"${a}";[[ " ${_sfpargs[*]} " =~ " ${_sfparsearr[0]} " ]]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfpargs+=("${_sfparsearr[0]}");_sfpusage="$_sfpusage ${_sfparsearr[0]}";_sfphead="${_sfparsearr[0]}";[ "${#_sfphead}" -gt "${_sfpoffset}" ]&&_sfpoffset="${#_sfphead}";_sfpheads+=("$_sfphead");_sfptails+=("${_sfparsearr[1]}");elif [ "$_sfcount" -eq 2 ];then read -r -a _sfparsearr<<<"${a}";[ -n "${_sfflags["--${_sfparsearr[0]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfflags["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";[ -n "${_sfflags["-${_sfparsearr[1]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[1]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";declare "${_sfparsearr[0]//-/_}"=false;_sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]}";[ "${#_sfohead}" -gt "${_sfooffset}" ]&&_sfooffset="${#_sfohead}";_sfoheads+=("$_sfohead");_sfotails+=("${_sfparsearr[2]}");elif [ "$_sfcount" -eq 4 ];then read -r -a _sfparsearr<<<"${a}";[ -n "${_sfargs["--${_sfparsearr[0]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[0]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfargs["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";[ -n "${_sfargs["-${_sfparsearr[1]}"]}" ]&&_sferr "${sftbf}${_sfparsearr[1]}${sftrs} is already set: ${sftbf}${a}${sftrs}";_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";declare "${_sfparsearr[0]//-/_}"="${_sfparsearr[3]}";_sfohead="-${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]}";[ "${#_sfohead}" -gt "${_sfooffset}" ]&&_sfooffset="${#_sfohead}";_sfoheads+=("$_sfohead");[ "${_sfparsearr[3]}" != "" ]&&_sfotails+=("${_sfparsearr[4]} (default: ${_sfparsearr[3]})")||_sfotails+=("${_sfparsearr[4]}");else _sferr "Wrong argument declaration: ${sftbf}${a}${sftrs}";fi;done;_sfeheads=();_sfetails=();_sfeoffset=0;for e in "${sfexamples[@]}";do _sfsubst=${e//";"};_sfcount="$((${#e} - ${#_sfsubst}))";if [ "$_sfcount" -eq 1 ];then read -r -a _sfparsearr<<<"${e}";_sfehead="${_sfparsearr[0]}";[ "${#_sfehead}" -gt "${_sfeoffset}" ]&&_sfeoffset="${#_sfehead}";_sfeheads+=("$_sfehead");_sfetails+=("${_sfparsearr[1]}");else _sferr "Wrong example declaration: ${sftbf}${e}${sftrs}";fi;done;IFS=$OLDIFS;[ "$sfparr" == true ]&&[ "${#_sfpargs[@]}" == 0 ]&&_sferr "At least one positional argument must be used with ${sftbf}sfparr${sftrs}";[ "$sfparr" == true ]&&_sfpusage="${_sfpusage% *} [${_sfpusage##* } ...]";_sfpoffset=$(("_sfpoffset" + 3));_sfooffset=$(("_sfooffset" + 3));_sfeoffset=$(("_sfeoffset" + 3));_sfwidth=$(stty size|cut -d ' ' -f 2);_sfpdesc="";for i in "${!_sfptails[@]}";do _sfptail="${_sfptails[$i]}";if [ "$((${#_sfptail} + _sfpoffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfpoffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfptail=$(echo "$_sfptail"|fold -s -w "$_sftmpwidth");_sfptail="${_sfptail//$' \n'/$'\n;'}";fi;_sfpdesc="${_sfpdesc}  ${_sfpheads[$i]};${_sfptail}\n";done;_sfodesc="";for i in "${!_sfotails[@]}";do _sfotail="${_sfotails[$i]}";if [ "$((${#_sfotail} + _sfooffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfooffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfotail=$(echo "$_sfotail"|fold -s -w "$_sftmpwidth");_sfotail="${_sfotail//$' \n'/$'\n;'}";fi;_sfodesc="${_sfodesc}  ${_sfoheads[$i]};${_sfotail}\n";done;_sfexamples="";for i in "${!_sfetails[@]}";do _sfetail="${_sfetails[$i]}";if [ "$((${#_sfetail} + _sfeoffset))" -gt "$_sfwidth" ];then _sftmpwidth="$((_sfwidth - _sfeoffset))";_sftmpwidth=$(echo -e "${_sftmpwidth}\n1"|sort -nr|head -n 1);_sfetail=$(echo "$_sfetail"|fold -s -w "$_sftmpwidth");_sfetail="${_sfetail//$' \n'/$'\n;'}";fi;_sfexamples="${_sfexamples}  ${_sfeheads[$i]};${_sfetail}\n";done;function _sfusage { echo -n "Usage: $(basename "$0") [OPTIONS]";echo -ne "$_sfpusage";echo;[ -n "${sfdesc}" ]&&echo -e "\n$sfdesc"|fold -s -w "$_sfwidth";if [ "$_sfpdesc" != "" ];then echo -e "\nPOSITIONAL ARGUMENTS";echo -e "$_sfpdesc"|column -s ";" -t;fi;if [ "$_sfodesc" != "" ];then echo -e "\nOPTIONS";echo -e "$_sfodesc"|column -s ";" -t;fi;if [ "$_sfexamples" != "" ];then echo -e "\nEXAMPLES";echo -e "$_sfexamples"|column -s ";" -t;fi;[ -n "${sfextra}" ]&&echo -e "\n$sfextra"|fold -s -w "$_sfwidth";exit 0;};for a in "$@";do [ "$a" == "-h" ]||[ "$a" == "--help" ]&&_sfusage;done;for d in "${sfdeps[@]}";do if ! command -v "$d"&>/dev/null;then sferr "Command ${sftbf}${d}${sftrs} not found" 0;_sfdeperr=true;fi;done;[ "$_sfdeperr" == true ]&&exit 1;while(("$#"));do if [ -n "${_sfflags["$1"]}" ];then declare "${_sfflags["$1"]//-/_}"=true;elif [ -n "${_sfargs["$1"]}" ];then if [ -n "$2" ]&&[ "${2:0:1}" != "-" ];then declare "${_sfargs["$1"]//-/_}"="$2";shift;else sferr "Argument for ${sftbf}${1}${sftrs} missing";fi;else if [ "${1:0:1}" == "-" ];then sferr "Unsupported argument/flag ${sftbf}${1}${sftrs}";else if [ "${#_sfpargs[@]}" != 0 ];then declare "${_sfpargs[0]//-/_}"="$1";[ "$sfparr" == true ]&&_sfplast="${_sfpargs[0]//-/_}"&&_sfparr=("$1");_sfpargs=("${_sfpargs[@]:1}");elif [ "$sfparr" == true ];then _sfparr+=("$1");else sferr "Too many positional arguments";fi;fi;fi;shift;done;[ "$sfparr" == true ]&&[ "${#_sfparr[@]}" -gt 0 ]&&read -r -a "${_sfplast?}"<<<"${_sfparr[@]}";[ "$sfparr" == true ]&&[ "${#_sfpargs[@]}" -gt 0 ]&&unset '_sfpargs[${#_sfpargs[@]}-1]';if [ "${#_sfpargs[@]}" -gt 0 ];then for p in "${_sfpargs[@]}";do sferr "Positional argument ${sftbf}${p}${sftrs} missing" 0;done;exit 1;fi;unset a d e i OLDIFS _sfargs _sfehead _sfeheads _sfeoffset _sferr _sfetails _sfexamples _sfflags _sfodesc _sfohead _sfoheads _sfooffset _sfotails _sfpargs _sfparr _sfpdesc _sfphead _sfpheads _sfplast _sfpoffset _sfptails _sfpusage _sftmpwidth _sfusage _sfwidth
   #+end_src
 
 ** Requirements
@@ -43,14 +43,14 @@
     This is the list of variables which can be set *before* including /sf/.
     Everything is optional.
 
-    | Name         | Description                                                                                          | Example                              |
-    |--------------+------------------------------------------------------------------------------------------------------+--------------------------------------|
-    | =sfdesc=     | Description of the script                                                                            | ~sfdesc="This script does nothing."~ |
-    | =sfargs=     | Array for declaration of arguments, positional arguments and flags. Look below for more information  | See [[#sfargs][below]]                            |
-    | =sfparr=     | Flag which indicates if the last declared positional argument should be treated as array             | ~sfparr=true~                        |
-    | =sfexamples= | Array for declaration of examples for the usage output. Look below for more information              | See also [[#sfexamples][below]]                       |
-    | =sfextra=    | Additional usage output                                                                              | ~sfextra="No copyright."~            |
-    | =sfdeps=     | Array for declaration of script dependencies. An error is thrown if a given command is not available | ~sfdeps=("ffmpeg" "opusinfo")~       |
+    | Name         | Description                                                                                                           | Example                             |
+    |--------------+-----------------------------------------------------------------------------------------------------------------------+-------------------------------------|
+    | =sfdesc=     | Description of the script                                                                                             | ~sfdesc="This script does nothing"~ |
+    | =sfargs=     | Array for declaration of arguments, positional arguments and flags. Look below for more information                   | See [[#sfargs][below]]                           |
+    | =sfparr=     | Flag which indicates if the last declared positional argument should be treated as array                              | ~sfparr=true~                       |
+    | =sfexamples= | Array for declaration of examples for the usage output. Look below for more information                               | See also [[#sfexamples][below]]                      |
+    | =sfextra=    | Additional usage output                                                                                               | ~sfextra="No copyright"~            |
+    | =sfdeps=     | Array for declaration of script dependencies. An error is thrown if one ore more of the set command are not available | ~sfdeps=("ffmpeg" "opusinfo")~      |
 
     Examples which show the usage of all variables can be found [[#examples][below]] and in the =examples= directory.
 
@@ -60,7 +60,7 @@
      :end:
 
      This is an array of strings.
-     Every string defines an argument, a flag or an positional argument of the script.
+     Every string defines an argument, a flag or a positional argument of the script.
      The type is defined by the amount of semicolons in the string.
 
      | Type                | Declaration order                                               | Example                                                 |
@@ -145,10 +145,10 @@
      | =sftrs=    | Reset formatting             |
      | =sftbf=    | Bold                         |
      | =sftdim=   | Dim                          |
-     | =sftul=    | Underline                    |
+     | =sftul=    | Underlined                   |
      | =sftblk=   | Blinking                     |
      | =sftinv=   | Invert foreground/background |
-     | =sfthd=    | Hidden                       |
+     | =sfthdn=   | Hidden                       |
      | =sftclr=   | Clear the previous line      |
      | =sftk=     | Black                        |
      | =sftr=     | Red                          |
@@ -166,6 +166,8 @@
        echo "${sftbf}${sftr}framework${sftrs}"
      #+end_src
 
+     Look at the [[#clear][clear]] example to see some of them in action.
+
 ** Examples
    :properties:
    :custom_id: examples
@@ -255,6 +257,66 @@
         go
     #+end_example
 
+*** Clear
+    :properties:
+    :custom_id: clear
+    :end:
+
+    This script shows the usage of color formatting variables and =$sftclr=:
+
+    #+begin_src sh
+      #!/usr/bin/env bash
+
+      # ----------------------
+      # sf -- script framework
+      # ----------------------
+
+      # Declare sf variables
+      sfdesc="Show the usage of color variables and \$sftclr."
+
+      # Include sf, this could be replaced with a long oneliner
+      source "$(dirname $0)/sf"
+
+      # ----------------------
+      # Actual script
+      # ----------------------
+
+      echo -n "${sftbf}"                                                # Output everything from here bold
+      echo "${sftr}These"                                               # Red
+      sleep 0.5
+      echo "${sftm}lines"                                               # Magenta
+      sleep 0.5
+      echo "${sftb}will"                                                # Blue
+      sleep 0.5
+      echo "${sftc}delete"                                              # Cyan
+      sleep 0.5
+      echo "${sftg}themselves"                                          # Green
+      sleep 1
+      echo "${sfty}now!"                                                # Yellow
+      sleep 0.5
+      echo -n "${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}"  # Clear six lines
+      echo "${sftblk}${sftr}T${sftm}a${sftb}d${sftc}a${sftg}a${sfty}!"  # Blinking colorful
+      echo -n "${sftrs}"                                                # Reset text formatting
+    #+end_src
+
+    The produced usage is:
+
+    #+begin_example
+      Usage: clear [OPTIONS]
+
+      Show the usage of color variables and $sftclr.
+
+      OPTIONS
+        -h, --help  Show this help message and exit
+    #+end_example
+
+    The execution results in this:
+
+    #+begin_example
+      $ ./clear
+      Tadaa!
+    #+end_example
+
 *** Add
 
     This script adds numbers and shows the usage of =sfparr=:
@@ -299,7 +361,7 @@
     And here is the produced usage:
 
     #+begin_example
-      Usage: add [OPTIONS] NUMBERS ...
+      Usage: add [OPTIONS] [NUMBERS ...]
 
       Calculate the sum of multiple numbers.
 
diff --git a/examples/clear b/examples/clear
new file mode 100755
index 0000000..ca91b36
--- /dev/null
+++ b/examples/clear
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# ----------------------
+# sf -- script framework
+# ----------------------
+
+# Declare sf variables
+sfdesc="Show the usage of color variables and \$sftclr."
+
+# Include sf, this could be replaced with a long oneliner
+source "$(dirname $0)/../sf"
+
+# ----------------------
+# Actual script
+# ----------------------
+
+echo -n "${sftbf}"                                                # Output everything from here bold
+echo "${sftr}These"                                               # Red
+sleep 0.5
+echo "${sftm}lines"                                               # Magenta
+sleep 0.5
+echo "${sftb}will"                                                # Blue
+sleep 0.5
+echo "${sftc}delete"                                              # Cyan
+sleep 0.5
+echo "${sftg}themselves"                                          # Green
+sleep 1
+echo "${sfty}now!"                                                # Yellow
+sleep 0.5
+echo -n "${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}"  # Clear six lines
+echo "${sftblk}${sftr}T${sftm}a${sftb}d${sftc}a${sftg}a${sfty}!"  # Blinking colorful
+echo -n "${sftrs}"                                                # Reset text formatting
diff --git a/sf b/sf
index d3572aa..8066bc2 100644
--- a/sf
+++ b/sf
@@ -9,7 +9,7 @@ sftdim=$'\e[2m'
 sftul=$'\e[4m'
 sftblk=$'\e[5m'
 sftinv=$'\e[7m'
-sfthd=$'\e[8m'
+sfthdn=$'\e[8m'
 sftclr=$'\e[1A\e[K'
 sftk=$'\e[30m'
 sftr=$'\e[31m'
@@ -22,21 +22,23 @@ sftw=$'\e[97m'
 
 # Public output functions
 function sferr {
-    echo "${sftbf}${sftr}ERROR${sftrs} $1"
+    echo -e "${sftbf}${sftr}ERROR${sftrs} $1"
     [ -z "$2" ] && exit 1
 }
 
 function sfwarn {
-    echo "${sftbf}${sfty}WARNING${sftrs} $1"
+    echo -e "${sftbf}${sfty}WARNING${sftrs} $1"
 }
 
 # Public input functions
 function sfask {
     if [ -n "$2" ]; then
-        read -r -p "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] " sfin
+        echo -ne "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] "
+        read -r sfin
         [[ "$sfin" =~ n|N|^$ ]] && sfin=false || sfin=true
     else
-        read -r -p "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] " sfin
+        echo -ne "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] "
+        read -r sfin
         [[ "$sfin" =~ y|Y|^$ ]] && sfin=true || sfin=false
     fi
 }
@@ -76,7 +78,7 @@ for a in "${sfargs[@]}"; do
 
     # Get amount of semicolons
     _sfsubst=${a//";"}
-    _sfcount="$(((${#a} - ${#_sfsubst})))"
+    _sfcount="$(( ${#a} - ${#_sfsubst} ))"
 
     # Positional arguments
     if [ "$_sfcount" -eq 1 ]; then
@@ -150,7 +152,7 @@ for e in "${sfexamples[@]}"; do
 
     # Get amount of ;
     _sfsubst=${e//";"}
-    _sfcount="$(((${#e} - ${#_sfsubst})))"
+    _sfcount="$(( ${#e} - ${#_sfsubst} ))"
 
     if [ "$_sfcount" -eq 1 ]; then
 
@@ -173,6 +175,9 @@ IFS=$OLDIFS
 # Check if at least one positional argument is set if 'sfparr' is used
 [ "$sfparr" == true ] && [ "${#_sfpargs[@]}" == 0 ] && _sferr "At least one positional argument must be used with ${sftbf}sfparr${sftrs}"
 
+# Correct positional argument description if 'sfparr' is used
+[ "$sfparr" == true ] && _sfpusage="${_sfpusage% *} [${_sfpusage##* } ...]"
+
 # Correct offsets
 _sfpoffset=$(( "_sfpoffset" + 3 ))
 _sfooffset=$(( "_sfooffset" + 3 ))
@@ -224,24 +229,21 @@ done
 function _sfusage {
     echo -n "Usage: $(basename "$0") [OPTIONS]"
     echo -ne "$_sfpusage"
-    [ "$sfparr" == true ] && echo -n " ..."
     echo
     [ -n "${sfdesc}" ] && echo -e "\n$sfdesc" | fold -s -w "$_sfwidth"
     if [ "$_sfpdesc" != "" ]; then
         echo -e "\nPOSITIONAL ARGUMENTS"
-        echo -e "$_sfpdesc" | column -s ";" -t -W 2
+        echo -e "$_sfpdesc" | column -s ";" -t
     fi
     if [ "$_sfodesc" != "" ]; then
         echo -e "\nOPTIONS"
-        echo -e "$_sfodesc" | column -s ";" -t -W 2
+        echo -e "$_sfodesc" | column -s ";" -t
     fi
     if [ "$_sfexamples" != "" ]; then
         echo -e "\nEXAMPLES"
-        echo -e "$_sfexamples" | column -s ";" -t -W 2
-    fi
-    if [ -n "${sfextra}" ]; then
-        echo -e "\n$sfextra"
+        echo -e "$_sfexamples" | column -s ";" -t
     fi
+    [ -n "${sfextra}" ] && echo -e "\n$sfextra" | fold -s -w "$_sfwidth"
     exit 0
 }
 
@@ -282,7 +284,7 @@ while (( "$#" )); do
     else
         # Check if arg starts with -
         if [ "${1:0:1}" == "-" ]; then
-            sferr "Unsupported argument/flag: ${sftbf}${1}${sftrs}"
+            sferr "Unsupported argument/flag ${sftbf}${1}${sftrs}"
         else
             # Set positional argument
             if [ "${#_sfpargs[@]}" != 0 ]; then
@@ -302,6 +304,9 @@ done
 # Parse additional arguments if 'sfparr' is set
 [ "$sfparr" == true ] && [ "${#_sfparr[@]}" -gt 0 ] && read -r -a "${_sfplast?}" <<< "${_sfparr[@]}"
 
+# Remove last missing argument to allow empty arrays if 'sfparr' is set
+[ "$sfparr" == true ] && [ "${#_sfpargs[@]}" -gt 0 ] && unset '_sfpargs[${#_sfpargs[@]}-1]'
+
 # Check if positional arguments left
 if [ "${#_sfpargs[@]}" -gt 0 ]; then
     for p in "${_sfpargs[@]}"; do