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!$IFS internal field separator This variable determines how Bash recognizes fields, or word boundaries when it interprets character strings. $IFS defaults to whitespace (space, tab, and newline), but may be changed. !Have multiple characters as field separators. *IFS='~[<listofchars>]' Example using the ''read'' command: *IFS='~[:=,]'; read foo bar moo car <<< '123:abc=345,def'; echo $foo $bar $moo $car
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