UNIX for Dummies Questions & Answers

# Make sure there are files to unzip
if [ $( ls -l *"$extension" | wc -l ) -gt 0 ] ; then
  echo "\nUnzipping files, please wait..."
  gunzip *"$extension"
else
  echo "\nThere are no files to unzip in this directory!\n\n"
  exit 0
fi

./results.sh: syntax error at line 25: `(' unexpected

if [ $( ls -l *"$extension" | wc -l ) -gt 0 ] ; then

# Get extension and unzip them if they are zipped
if [ "$are_zipped" = y ] ; then
  echo "\nWhat is the zip file extension? (tgz, zip, etc...)"
  read extension

  # Make sure there are files to unzip
  if [ $(ls -l *"$extension" | wc -l) -gt 0 ] ; then
    echo "\nUnzipping files, please wait..."
    gunzip *"$extension"
  else
    echo "\nThere are no files to unzip in this directory!\n\n"
    exit 0
  fi
fi

set -vx # To get the trace
# Get extension and unzip them if they are zipped
if [ "$are_zipped" = "y" ] ; then
  echo "\nWhat is the zip file extension? (tgz, zip, etc...)"
  read extension

  # Make sure there are files to unzip
  if [ $(ls -l *"$extension" | wc -l) -gt 0 ] ; then
    echo "\nUnzipping files, please wait..."
    gunzip *"$extension"
  else
    echo "\nThere are no files to unzip in this directory!\n\n"
    exit 0
  fi
fi

set -vx # To get the trace

# Check if files are zipped
echo "\nAre the files zipped? (y/n)"
read are_zipped

# Get extension and unzip them if they are zipped
if [ "$are_zipped" -eq "y" ] ; then
  echo "\nWhat is the zip file extension? (tgz, zip, etc...)"
  read extension

  # Make sure there are files to unzip
  if [ $(ls -l *"$extension" | wc -l) -gt 0 ] ; then
    echo "\nUnzipping files, please wait..."
    gunzip *"$extension"
  else
    echo "\nThere are no files to unzip in this directory!\n\n"
    exit 0
  fi
fi

# Check if files are zipped
echo "\nAre the files zipped? (y/n)"
+ echo \nAre the files zipped? (y/n)

Are the files zipped? (y/n)
read are_zipped
+ read are_zipped
y

# Get extension and unzip them if they are zipped
if [ "$are_zipped" -eq "y" ] ; then
  echo "\nWhat is the zip file extension? (tgz, zip, etc...)"
  read extension

  # Make sure there are files to unzip
  if [ $(./results.sh: syntax error at line 27: `(' unexpected

if [ "$are_zipped" = "y" ] ; then