download a file

[munna_dude]

hi all
how to download a file by programatically.
if you have send me some example code.

thank you in advance

[munna_dude]

hi
actually i need speed(of internet in my machine)
i tried this
but failed
i have to print only speed in this
in this example i took a small file from net

wget http://dl.extensis.com/downloads/PF/EN/P/PortfolioServer_SQL.pdf | grep 'K/s'| sed 's/^[ \t]*//' | cut -d: -f3 | awk '{print $1}'

can you help me in this way

thank you in advance