regarding IFS=

Shell Programming and Scripting
1

hi i am a learner

can some explain "export IFS=$(echo "\n\t\a")"

i am not able to understand the functionality

please help

thanks
Satya

2

It sets the IFS variable to newline, tab, etc.

IFS is used by the shell to "separate" words - with that setting:

echo "word1 word2 word3" | read a b c
echo "a=$a"

produces

with IFS set to default (white space) it would give