check switches and arguments

#!/bin/bash

#set folder variable
folder="files"
#check if folder exists, if not create it
[ -a "$folder" ] && echo "$folder exists" || mkdir "$folder"

move(){
  if [ "$2" != "true" ] #only echo output if '-q' is not set
  then
    echo "Moving $1 for ${folder}..."
  fi
  mv $1  "$folder"
}

copy(){
  if [ "$2" != "true" ] #only echo output if '-q' is not set
  then
    echo "Copying $1 for ${folder}..."
  fi
  cp $1 "$folder"
}

for var in "$@"
do
  if [ "$var" = "-f" ]
  then
    force="true" #if '-f' is set then we are going to move files
  elif [ "$var" = "-q" ]
  then
    quiet="true" #if '-q' is set then be quiet
  fi
done

#loop through all files
for file in *
do
  if [ "$force" = "true" ] # if '-f' is set then move
  then
    move "$file" "$quiet"
  else #if '-f' is not set copy
    copy "$file" "$quiet"
  fi
done