mkdir-now

#!/bin/bash

help() {
  echo "mkdir-now [--full] [--no-create] [--ignore-existing] [--script|-s] [--name TEXT]"
  echo
  echo "    creates a directory named by the current date. F.ex."
  echo
  echo "      $ mkdir-now"
  echo '      Created "2010-01-22/"'
  echo
  echo "      --script     will only return name of created dir on stdout"
  echo "      -s           same as --script"
  echo "      --no-create  don't create dir, only return name of dir that would be"
  echo "      --ignore-existing do not error out if directory already exists"
  echo "      --full       create directory with full date, such as"
  echo "                   2010-01-22_20:26/"
  echo "      --name TEXT  will allow you to add so string to the name"
  echo "                   of the created directory. F.ex."
  echo
  echo '                       $ mkdir-now -name "researching segfault"'
  echo '                       Created "2010-01-22 researching segfault/"'
  echo
  exit -1
}

[ "$1" == "--help" ] && help

while [ "$1" != "" ]; do
  case "$1" in
    --full)      FULL="true";      shift                       ;;
    --no-create) NO_CREATE="true"; shift                       ;;
    --ignore-existing) IGNORE_EXISTING="true"; shift           ;;
    --script)    SCRIPT="true";    shift                       ;;
    -s)          SCRIPT="true";    shift                       ;;
    --name)      NAME="true";      shift; NAME_ADD="$1"; shift ;;
    *)           help                                          ;;
  esac
done

if [ "$FULL" == "true" ]; then
  dir="`date +%F_%R`"
else
  # default
  dir="`date +%F`"
fi

if [ "$NAME" == "true" ]; then
  dir="$dir $NAME_ADD"
fi

if [ "$NO_CREATE" == "true" ]; then
  echo "$dir"
  exit 0
elif [ -e "$dir" ]; then
  if [ "$IGNORE_EXISTING" != "true" ]; then
    echo "\"$dir\" already exists" >&2
    exit -2
  fi
else
  # default
  mkdir "$dir"
fi

if [ "$SCRIPT" == "true" ]; then
  echo "$dir"
else
  echo "Created \"$dir/\"" >&2
fi