upload files via terminal using file.io API

upload.sh

# Upload file via terminal using file.io
# Author : Aman Roy (https://github.com/aman-roy)
upload () { if [ $# = 1 -o $# = 2 ];then if [ -f "$1" ];then if [ $# = 1 ];then curl -F "file=@$1" https://file.io/ ;else if [[ "$2" =~ ^[1-9]+[wmy]$ ]];then curl -F "file=@$1" https://file.io/\?expires=$2;else echo $'Wrong expiration format.\neg. 1(w/m/y), etc.';fi;fi;else echo "file doesn't exist";fi;else echo $'usage: upload file_name.ext [expiration]\nexpiration format: 1-9(w/m/y) # (w)eeks, m(onths), (y)ear';fi }