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CUT(1) BSD General Commands Manual CUT(1)
cut -- select portions of each line of a file
cut -b list [-n] [file ...]
cut -c list [file ...]
cut -f list [-d delim] [-s] [file ...]
The cut utility selects portions of each line (as specified by list) from each file and
writes them to the standard output. If the file argument is a single dash ('-') or no file
arguments were specified, lines are read from the standard input. The items specified by
list can be in terms of column position or in terms of fields delimited by a special charac-
ter. Column numbering starts from 1.
list is a comma or whitespace separated set of increasing numbers and/or number ranges.
Number ranges consist of a number, a dash (-), and a second number and select the fields or
columns from the first number to the second, inclusive. Numbers or number ranges may be
preceded by a dash, which selects all fields or columns from 1 to the first number. Numbers
or number ranges may be followed by a dash, which selects all fields or columns from the
last number to the end of the line. Numbers and number ranges may be repeated, overlapping,
and in any order. It is not an error to select fields or columns not present in the input
The options are as follows:
-b list The list specifies byte positions.
-c list The list specifies character positions.
-d string Use the first character of string as the field delimiter character. The default
is the <TAB> character.
-f list The list specifies fields, separated by the field delimiter character. The
selected fields are output, separated by the field delimiter character.
-n Do not split multi-byte characters.
-s Suppresses lines with no field delimiter characters. Unless specified, lines
with no delimiters are passed through unmodified.
cut exits 0 on success, 1 if an error occurred.
The cut utility conforms to IEEE Std 1003.2-1992 (``POSIX.2'').
BSD December 21, 2008 BSD
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