I've just encountered several answers such as to parsing a delimited text file... that use the construct:
while IFS=, read xx yy zz;do echo $xx $yy $zz done < input_file
IFS variable is set before the
I've been reading through the bash reference but can't figure out why this is legal.
$ x="once upon" y="a time" echo $x $y
from the bash command prompt but got nothing echoed. Can someone point me to where that syntax is defined in the reference that allows the IFS variable to be set in that way? Is it a special case or can I do something similar w/ other variables?