chronocode

#!/bin/bash

# ------------------------------------------------------------------------------
# settings                                                              settings
# ------------------------------------------------------------------------------
set -o errtrace  # any trap on ERR is inherited by shell functions,
                 #   command substitutions, and commands executed in a subshell
                 #   environment
set -o nounset   # treat unset variables and parameters other than the special
                 #   parameters "@" and "*" as an error when performing
                 #   parameter expansion
set -o pipefail  # the return value of a pipeline is the value of the last
                 #   (rightmost) command to exit with a non-zero status, or
                 #   zero if all commands in the pipeline exit successfully

# set language
export LANG="en_US.UTF-8"

# use dot as decimal separator
export LC_NUMERIC="en_US.UTF-8"

# terminal colors
readonly    NONE=$(tput sgr0)
readonly     RED=$(tput setaf 1)
readonly   GREEN=$(tput setaf 2)
readonly  YELLOW=$(tput setaf 3)
readonly    BLUE=$(tput setaf 4)
readonly MAGENTA=$(tput setaf 5)
readonly    CYAN=$(tput setaf 6)
readonly   WHITE=$(tput setaf 7)

# ------------------------------------------------------------------------------
# functions                                                            functions
# ------------------------------------------------------------------------------

# -------
# failmsg
# -------
#
# This function prints a red colored message via stderr.
#
function failmsg()
{
  # push to stderr
  echo -e "${RED}[FAIL]${NONE} $1" 1>&2
}

# -------
# warnmsg
# -------
#
# This function prints a yellow colored message via stderr.
#
function warnmsg()
{
  # push to stderr
  echo -e "${YELLOW}[WARN]${NONE} $1" 1>&2
}

# -------
# infomsg
# -------
#
# This function prints a blue colored message via stderr.
#
function infomsg()
{
  # push to stderr
  echo -e "${BLUE}[INFO]${NONE} $1" 1>&2
}

# -------
# donemsg
# -------
#
# This function prints a green colored message via stderr.
#
function donemsg()
{
  # push to stderr
  echo -e "${GREEN}[DONE]${NONE} $1" 1>&2
}

# ------------------------------------------------------------------------------
# commands                                                              commands
# ------------------------------------------------------------------------------

# get output directory
readonly TARGETDIR=$(chronocfg -d 2>"/dev/null")

# check return value
if [ -z "$TARGETDIR" ] ; then

  # notify user
  failmsg "no output directory given"

  # signalize trouble
  exit 1

fi

# check directory
if [ ! -d "$TARGETDIR" ] ; then

  # try to create target directory
  mkdir --parents "$TARGETDIR"

  # check if target directory is still missing
  if [ ! -d "$TARGETDIR" ] ; then

    # notify user
    failmsg "unable to create directory: \"$TARGETDIR\""

    # signalize trouble
    exit 1

  fi

fi

# get final filename first (timestamp)
readonly OUTFILE="$(chrononext "$TARGETDIR").code"

# insert some empty lines
echo -e "\n\n\n" > "$OUTFILE"

# query user
if ! chronoquery "$OUTFILE" ; then

  # signalize trouble
  exit 1

fi

# check filesize
if [ -s "$OUTFILE" ] ; then

  # show created filename
  donemsg "file created: $(basename "$OUTFILE")"

  # show created filename
  chronosend "file created: $(basename "$OUTFILE")"

else

  # remove empty file
  rm -f "$OUTFILE"

  # notify user
  failmsg "no text found"

  # signalize trouble
  exit 1

fi

# signalize success
exit 0