espUploadFile

#!/bin/bash

if [ $# -le 3 ]; then
    if [ $# -lt 2 ]; then
        echo "$0: usage: $0 <file> <device ip address> [--verbose]"
        exit 1
    fi
    if [ "$3" = "--verbose" ]; then
        set -x
    fi
else
    echo "$0: usage: $0 <file> <device ip address> [--verbose]"
    exit 1
fi

device_ip=$2
filename=$1
delay=1

extension="${filename##*.}"

if [ "$extension" = "html" ]; then
    # file size is compressed removing:
    # + blank spaces in front of the lines
    # + html comments
    # + new line characters
    cat $filename | sed 's/^\ *//' | sed 's/<!--.*-->//' | tr -d '\n' > working_file
    # state the file version using git and add it to the beginning of the file
    version=`git --no-pager describe --tags --always --dirty`
    echo "<!--$version-->" | cat - working_file > temp && mv temp working_file
elif [ "$extension" = "js" ]; then
    # compress file size:
    # + removing blank spaces in front of the lines
    # + removing js comments
    # + replacing new line characters with blank spaces
    cat $filename | sed 's/^\ *//' | sed 's/^\/\/.*//' | tr '\n' ' ' > working_file
    # state the file version using git and add it to the beginning of the file
    version=`git --no-pager describe --tags --always --dirty`
    echo "//$version" | cat - working_file > temp && mv temp working_file
else
    # don't change the file!
    cp $filename working_file
fi

wc -c working_file

# split the file
split -b1024 -d working_file

# The nullglob option causes the array to be empty if there are no matches.
# shopt -s nullglob

filelist=( x* )

#echo ${#filelist[@]} # will echo number of elements in array
#echo "${filelist[@]}" # will dump all elements of the array

# upload the file pieces to the device
# curl -i --location --request DELETE "http://$device_ip/api/file/$filename"

first_time=true

for file in "${filelist[@]}"; do 
    if [ "$first_time" = true ] ; then
        # FIRST FILE PIECE
        # first delete any occurrence of filename
        # and create it using the first file piece
	first_time=false
        if [ "$3" = "--verbose" ]; then
	    curl -i --location --request DELETE "http://$device_ip/api/file/$filename"
	else
	    echo "deleting old $1 ..."
	    status_code=$(curl --write-out "%{http_code}\n" --silent --output /dev/null --request DELETE "http://$device_ip/api/file/$filename")
	    if [ $status_code -ne 200 ] ; then
		echo "there was no old $1"
            else
	        echo "done!"
            fi
	fi
	echo "awaiting..."
        # sleep $delay
        if [ "$3" = "--verbose" ]; then
	    curl -i --location --request POST "http://$device_ip/api/file/$filename" --header "Content-Type: text/html" --data-binary "@$file"
        else
	    echo "sending file piece ..."
	    status_code=$(curl --write-out "%{http_code}\n" --silent --output /dev/null --request POST "http://$device_ip/api/file/$filename" --header "Content-Type: text/html" --data-binary "@$file")
	    if [ $status_code -ne 201 ] ; then
		echo "error while sending file, received $status_code"
		exit 1
            else
	        echo "done!"
            fi
        fi
	rm $file
    else
        # FOLLOWING FILE PIECES
        # append following file pieces to filename
	echo "awaiting..."
        # sleep $delay
        if [ "$3" = "--verbose" ]; then
	    curl -i --location --request PUT "http://$device_ip/api/file/$filename" --header "Content-Type: text/html" --data-binary "@$file"
        else
	echo "sending file piece ..."
	    status_code=$(curl --write-out "%{http_code}\n" --silent --output /dev/null --request PUT "http://$device_ip/api/file/$filename" --header "Content-Type: text/html" --data-binary "@$file")
	    if [ $status_code -ne 200 ] ; then
		echo "error while sending file, received $status_code"
		exit 1
            else
	        echo "done!"
            fi
        fi
	rm $file
    fi
done

echo "file sent!"
rm working_file