#!/bin/bash
# 2008-09-30
umask 022
VER="2.0"

### Set as the referring url for downloads
SITE=https://www.askapache.com/

### Directory to save the downloaded files
JSD=$HOME/j/

### The files to download
JSFILE[0]=http://www.google-analytics.com/ga.js

### run script with args to turn on debugging
[[ $# -ne 0 ]] && set -o xtrace && set -o verbose

### SHELL OPTIONS
set +o noclobber # allowed to clobber files
set +o noglob # globbing on
set -e # abort on first error
shopt -s extglob



#--=--=--=--=--=--=--=--=--=--=--#
# pt
#==-==-==-==-==-==-==-==-==-==-==#
function pt(){
  case ${1:-d} in
   i) echo -e "${C6}=> ${C4}${2} ${C0}"; ;;
   m) echo -en "\n\n${C2}>>> ${C4}${2} ${C0}\n\n"; ;; 
   *) echo -e "\n${C8} DONE ${C0} \n"; ;;
  esac
}



#=# CATCH SCRIPT KILLED BY USER
trap 'kill -9 $$' SIGHUP SIGINT SIGTERM

#=# MAKE MAIN SCRIPT NICE AS POSSIBLE SINCE IT DOESNT DO MUCH
renice 19 -p $$ &>/dev/null

#=# TURNS ON COLORING ONLY FOR TERMS THAT CAN SUPPORT IT
C="\033[";C0=;C1=;C2=;C3=;C4=;C5=;C6=;C7=;C8=;C9=;
  C0="${C}0m";C1="${C}1;30m";C2="${C}1;32m";C3="${C}0;32m";C4="${C}1;37m"
  C5="${C}0;36m";C6="${C}1;35m";C7="${C}0;37m";C8="${C}30;42m";C9="${C}1;36m";
clear
echo -e "${C1} __________________________________________________________________________ "
echo -e "| ${C2}             ___       __    ___                 __             ${C1}         |"
echo -e "| ${C2}            / _ | ___ / /__ / _ | ___  ___ _____/ /  ___        ${C1}         |"
echo -e "| ${C2}           / __ |(_-</  '_// __ |/ _ \/ _ \`/ __/ _ \/ -_)       ${C1}         |"
echo -e "| ${C3}          /_/ |_/___/_/\_\/_/ |_/ .__/\_,_/\__/_//_/\__/        ${C1}         |"
echo -e "| ${C3}                               /_/                              ${C1}         |"
echo -e "|                                                                          |"
echo -e "|                 ${C4} LOCAL JAVASCRIPT FILES SCRIPT Version ${VER} ${C1}              |"
echo -e "${C1} __________________________________________________________________________ ${C0} \n\n"

#=# BUILD INCOMING DIRS
[[ ! -d "${JSD}" ]] && pt m "BUILDING DIRS" && mkdir -p $JSD &>/dev/null && pt i "CREATED $JSD" && pt

#=# DOWNLOAD JAVASCRIPT FILES
cd $JSD && pt m "DOWNLOADING JAVASCRIPT FILES"
for theurl in "${JSFILE[@]}"; do
pt i "${theurl}"
curl -m 60 --connect-timeout 10 --retry 10 --retry-delay 180 -s -S -L -e '${SITE}' -A 'Mozilla/5.0' -O "${theurl}"
done
pt && cd $OLDPWD


######## curl options
# -S Show error. With -s, make curl show errors when they occur
# -s Silent mode. Don't output anything
# -e  Referer URL (H)
# -H <line> Custom header to pass to server (H)
# -L  Follow Location: hints (H)
# -A <string> User-Agent to send to server (H)
# -m <seconds> Maximum time allowed for the transfer
# --connect-timeout <seconds> Maximum time allowed for connection
# --globoff  Disable URL sequences and ranges using {} and []
# -O  Write output to a file named as the remote file
# --retry <num>  Retry request <num> times if transient problems occur
# --retry-delay <seconds> When retrying, wait this many seconds between each
# --retry-max-time <seconds> Retry only within this period
#############################################################################

exit 0