add input functions

sf

@@ -32,6 +32,22 @@ function sfwarn {
     echo -e "${sftbf}${sfty}WARNING${sftrs} $1"
 }
 
+# Public input functions
+function sfask {
+    if [ "$2" == "" ]; then
+        read -p "$1? [Y/n] " sfin
+        [[ "$sfin" =~ y|Y|^$ ]] && sfin=true || sfin=false
+    else
+        read -p "$1? [y/N] " sfin
+        [[ "$sfin" =~ n|N|^$ ]] && sfin=false || sfin=true
+    fi
+}
+
+function sfget {
+    [ "$2" != "" ] && read -p "$1 [$2]: " sfin || read -p "$1: " sfin
+    [ "$sfin" == "" ] && [ "$2" != "" ] && sfin="$2"
+}
+
 # Internal error function
 function _sferr {
     echo -e "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1"
@@ -128,13 +144,9 @@ IFS=$OLDIFS
 # Usage function
 function _sfusage {
     echo -n "Usage: $(basename $0)"
-    if [ "$_sfodesc" != "" ]; then
-        echo -n " [OPTIONS]"
-    fi
+    [ "$_sfodesc" != "" ] && echo -n " [OPTIONS]"
     echo -e "$_sfphead"
-    if [ ! -z ${sfdesc+x} ]; then
-        echo -e "\n$sfdesc"
-    fi
+    [ ! -z ${sfdesc+x} ] && echo -e "\n$sfdesc"
     if [ "$_sfpdesc" != "" ]; then
         echo -e "\nPOSITIONAL ARGUMENTS"
         echo -e "$_sfpdesc" | column -c 80 -s ";" -t -W 2
@@ -156,9 +168,7 @@ function _sfusage {
 # Check for help flag
 for a in "$@"; do
     # Check if help flag ist set
-    if [ "$a" == "-h" ] || [ "$a" == "--help" ]; then
-        _sfusage
-    fi
+    [ "$a" == "-h" ] || [ "$a" == "--help" ] && _sfusage
 done
 
 # Parse arguments