At 10:57 AM 8/12/2007, Rakhesh Sasidharan wrote:
This isn't really a FreeBSD question. But I figure most people on this
list would know the answer and so I'm asking. I've tried to get the answer
out of Google, but I guess I am not asking it the right question and so
not getting much hits.
I understand that the default value of the IFS variable in bash is "space,
tab, newline". For a script I am playing around with, I want to change IFS
to be just newline. I tried the obvious like
but that doesn't seem to do the trick coz then the letter "n" ends up
being the separator.
A bit of Google searching got me the solution too. That I must set IFS
I did that, and sure enough things work the way I want!
So my question is this: how come things work when I set IFS to $'\n'
instead of just plain '\n'? I don't recollect seeing such a way of setting
variables before, and so I'm curious about it.
This is dependent on the shell you use, and how it interprets character
sequences looking for escape characters and such. This will differ between
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