How to get full path of a file?

Question

Is there an easy way I can print the full path of file.txt ?

file.txt = /nfs/an/disks/jj/home/dir/file.txt

The

Answer 1

fp () {
PHYS_DIR=`pwd -P`
RESULT=$PHYS_DIR/$1
echo $RESULT | pbcopy
echo $RESULT
}

Copies the text to your clipboard and displays the text on the terminal window.

:)

(I copied some of the code from another stack overflow answer but cannot find that answer anymore)