diff --git a/autouser.sh b/autouser.sh
new file mode 100755
index 0000000..25ff0a3
--- /dev/null
+++ b/autouser.sh
@@ -0,0 +1,282 @@
+#!/bin/bash
+
+FILE="${@: -1}"
+if [[ ! -f "$FILE" ]]; then
+  echo "File \"$FILE\" doesn't exist!"
+  exit
+fi
+
+DRYRUN=false
+FILE_CONTENTS="$(cat ${@: -1})"
+CREATE_USERS=false
+DELETE_USERS=false
+CREATE_GROUPS=false
+DELETE_GROUPS=false
+DELIM=";"
+
+usage ()
+{
+  echo "Usage: ./autouser.sh \$PARAMETER file.csv"
+  echo ""
+  echo "PARAMETERS"
+  echo "    --help || -h (Show this help prompt)"
+  echo "    --dry-run (Test without executing any changes)"
+  echo "    --create-users users.csv (Create users from a .csv file)"
+  echo "    --create-groups groups.csv (Create groups from a .csv file)"
+  echo "    --delete-users users.csv (Delete users from a .csv file)"
+  echo "    --delete-groups groups.csv (Delete groups from a .csv file)"
+  exit
+}
+
+rootCheck ()
+{
+  if [[ "$(id -u)" -ne 0 ]]; then
+    echo "You must be root to run this parameter"
+    exit
+  fi
+}
+
+cutter ()
+{
+  echo "$1" | cut -d "$DELIM" -f "$2"
+}
+
+turnLowercase() {
+  echo "$1" | tr "[:upper:]" "[:lower:]" | sed 's/ñ/n/g'
+}
+
+createGroups ()
+{
+  while read line; do
+    GID=$(cutter "${line}" "2")
+    GROUPNAME=$(turnLowercase $(cutter "${line}" "1"))
+      if [[ -z "$GID" ]]; then
+        echo "[+] Adding group $GROUPNAME..."
+        groupadd $GROUPNAME
+      else
+        echo "[+] Adding group $GROUPNAME..."
+        groupadd $GROUPNAME -g $GID
+      fi
+  done <<< "$FILE_CONTENTS"
+}
+
+createGroupsDry ()
+{
+  while read line; do
+    GID=$(cutter "${line}" "2")
+    GROUPNAME=$(turnLowercase $(cutter "${line}" "1"))
+       if [[ -z "$GID" ]]; then
+           echo "groupadd $GROUPNAME"
+       else
+           echo "groupadd $GROUPNAME -g $GID"
+       fi
+  done <<< "$FILE_CONTENTS"
+}
+
+deleteGroups ()
+{
+  while read line; do
+    GROUPNAME=$(turnLowercase $(cutter "${line}" "1"))
+    echo "[+] Deleting group $GROUPNAME..."
+    groupdel $GROUPNAME
+  done <<< "$FILE_CONTENTS"
+}
+
+deleteGroupsDry ()
+{
+  while read line; do
+    GROUPNAME=$(turnLowercase $(cutter "${line}" "1"))
+    echo "groupdel $GROUPNAME"
+  done <<< "$FILE_CONTENTS"
+}
+
+createUsers ()
+{
+  while read line; do
+    USERNAME=$(turnLowercase $(cutter "${line}" "1"))
+    FULLNAME=$(cutter "${line}" "2")
+    USERUID=$(cutter "${line}" "3")
+    USERGID=$(turnLowercase $(cutter "${line}" "4"))
+    USERGROUPS=$(turnLowercase $(cutter "${line}" "5"))
+    TLFN=$(cutter "${line}" "6")
+    EXTRAINFO=$(cutter "${line}" "7")
+    USERSHELL=$(cutter "${line}" "8")
+    USERLOCKED=$(cutter "${line}" "9")
+
+    echo "[+] Adding user $USERNAME..."
+    useradd -m $USERNAME
+    echo $USERNAME:$USERNAME | chpasswd
+
+    if [[ ! -z "$FULLNAME" ]]; then
+      chfn -f "$FULLNAME" "$USERNAME" 1>/dev/null
+    fi
+
+    if [[ ! -z "$USERUID" ]]; then
+      usermod -u $USERUID $USERNAME
+    fi
+
+    if [[ ! -z "$USERGID" ]]; then
+      usermod -g $USERGID $USERNAME
+    fi
+    
+    if [[ ! -z "$USERGROUPS" ]]; then
+      usermod -G $(echo $USERGROUPS | tr "|" ",") $USERNAME
+    fi
+    
+    if [[ ! -z "$TLFN" ]]; then
+      chfn -p "$TLFN" $USERNAME 1>/dev/null
+    fi
+    
+    if [[ ! -z "$EXTRAINFO" ]]; then
+      chfn -o "$EXTRAINFO" $USERNAME 1>/dev/null
+    fi
+
+    if [[ ! -z "$USERSHELL" ]]; then
+      usermod -s $USERSHELL $USERNAME
+    else
+      usermod -s /bin/bash $USERNAME
+    fi
+
+    if [[ $USERLOCKED == "SI" ]]; then
+      usermod -L $USERNAME
+    fi
+  done <<< "$FILE_CONTENTS"
+}
+
+createUsersDry ()
+{
+  while read line; do
+    USERNAME=$(turnLowercase $(cutter "${line}" "1"))
+    FULLNAME=$(cutter "${line}" "2")
+    USERUID=$(cutter "${line}" "3")
+    USERGID=$(turnLowercase $(cutter "${line}" "4"))
+    USERGROUPS=$(turnLowercase $(cutter "${line}" "5"))
+    TLFN=$(cutter "${line}" "6")
+    EXTRAINFO=$(cutter "${line}" "7")
+    USERSHELL=$(cutter "${line}" "8")
+    USERLOCKED=$(cutter "${line}" "9")
+
+    echo "useradd -m $USERNAME"
+    echo "echo \"$USERNAME:$USERNAME | chpasswd\""
+
+    if [[ ! -z "$FULLNAME" ]]; then
+      echo "chfn -f \"$FULLNAME\" $USERNAME"
+    fi
+
+    if [[ ! -z "$USERUID" ]]; then
+      echo "usermod -u $USERUID $USERNAME"
+    fi
+
+    if [[ ! -z "$USERGID" ]]; then
+      echo "usermod -g $USERGID $USERNAME"
+    fi
+
+    if [[ ! -z "$USERGROUPS" ]]; then
+      echo "usermod -G $(echo $USERGROUPS | tr "|" ",") $USERNAME"
+    fi
+
+    if [[ ! -z "$TLFN" ]]; then
+      echo "chfn -p \"$TLFN\" $USERNAME"
+    fi
+
+    if [[ ! -z "$EXTRAINFO" ]]; then
+      echo "usermod -c \"$EXTRAINFO\" $USERNAME"
+    fi
+
+    if [[ ! -z "$USERSHELL" ]]; then
+      echo "usermod -s $USERSHELL $USERNAME"
+    else
+      echo "usermod -s /bin/bash $USERNAME"
+    fi
+
+    if [[ $USERLOCKED == "SI" ]]; then
+      echo "usermod -L $USERNAME"
+    fi
+  done <<< "$FILE_CONTENTS"
+}
+
+deleteUsers ()
+{
+  while read line; do
+    USERNAME=$(turnLowercase $(cutter "${line}" "1"))
+    echo "[+] Deleting user $USERNAME..."
+    userdel -r $USERNAME 2>/dev/null
+    groupdel $USERNAME 2>/dev/null
+  done <<< "$FILE_CONTENTS"
+}
+
+deleteUsersDry ()
+{
+  while read line; do
+    USERNAME=$(turnLowercase $(cutter "${line}" "1"))
+    echo "userdel -r $USERNAME"
+    echo "groupdel $USERNAME"
+  done <<< "$FILE_CONTENTS"
+}
+
+
+for arg in "$@"
+do
+  if [[ "$arg" == "-h" || "$arg" == "--help" ]]; then
+    usage
+  fi
+  if [[ "$arg" == "--dry-run" ]]; then
+    DRYRUN=true
+  fi
+  if [[ "$arg" == "--create-groups" ]]; then
+    CREATE_GROUPS=true
+  fi
+  if [[ "$arg" == "--delete-groups" ]]; then
+    DELETE_GROUPS=true
+  fi
+  if [[ "$arg" == "--create-users" ]]; then
+    CREATE_USERS=true
+  fi
+  if [[ "$arg" == "--delete-users" ]]; then
+    DELETE_USERS=true
+  fi
+done
+
+if [[ -z "$1" ]]; then
+  usage
+fi
+
+if [[ "$CREATE_GROUPS" == true ]]; then
+  if [[ "$DRYRUN" == true ]]; then
+    createGroupsDry
+  else
+    rootCheck
+    createGroups
+  fi
+  exit
+fi
+
+if [[ "$DELETE_GROUPS" == true ]]; then
+  if [[ "$DRYRUN" == true ]]; then
+    deleteGroupsDry
+  else
+    rootCheck
+    deleteGroups
+  fi
+  exit
+fi
+
+if [[ "$CREATE_USERS" == true ]]; then
+  if [[ "$DRYRUN" == true ]]; then
+    createUsersDry
+  else
+    rootCheck
+    createUsers
+  fi
+  exit
+fi
+
+if [[ "$DELETE_USERS" == true ]]; then
+  if [[ "$DRYRUN" == true ]]; then
+    deleteUsersDry
+  else
+    rootCheck
+    deleteUsers
+  fi
+  exit
+fi
diff --git a/groups.csv b/groups.csv
new file mode 100644
index 0000000..d9eef4f
--- /dev/null
+++ b/groups.csv
@@ -0,0 +1,9 @@
+dueño;1101
+presidente;1102
+capitan;1500
+jugador;
+portero;
+defensa;
+mediocentro;1505
+delantero;
+entrenador;
diff --git a/users.csv b/users.csv
new file mode 100644
index 0000000..8633c7a
--- /dev/null
+++ b/users.csv
@@ -0,0 +1,8 @@
+Pepelu;José Luis Garcia;1070;capitan;jugador|mediocentro;;;;
+Gaya;Jóse Luis Gayá;1074;capitan;jugador|defensa;444;;/bin/false;
+Andre;André Almeida;;jugador;mediocentro;;Portugues;;
+julia;Julia Aguado;1063;jugador;delantero;222;Picassent;;
+carla;Carla Bautista;;jugador;delantero;;;;SI
+Pipo;Rubén Baraja;1200;entrenador;;;;;;
+peter;Peter Lim;1099;dueño;entrenador|jugador|presidente;;singapur;;SI
+Lay;LayHoon Chan;;presidente;entrenador|jugador;;;;;