The IFS is for field separator not line separator thus it is used to split read line to various variables not to read it field by field. As an alternative separator variable is replaced by new line and thus can be read directly line by line.
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The IFS is for field separator not line separator thus it is used to split read line to various variables not to read it field by field. As an alternative separator variable is replaced by new line and thus can be read directly line by line.