Bash "quickies"Edit

Created 4/20/2007, updated 5/18/2017

Performing a task for all items in a directory

cd the_directory
for ITEM in `ls`
do
  echo $ITEM
done

Getting input from the user

One of many possible examples:

continue_or_abort()
{
  echo
  read -n 1 -p "Press Y to continue, A to abort: " RESPONSE
  if [ "$RESPONSE" = "Y" -o "$RESPONSE" = "y" ]; then
    echo
    return
  else
    echo "Aborting!"
    exit 1
  fi
}

Another example:

read -p "Please enter a tag for the backup archives [$OLD_VERSION]: " TAG
if [ "$TAG" != "" ]; then
  OLD_VERSION="$TAG"
fi

See also