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846天前cut -- cut out selected portions of each line of a file |
cut -b list [-n] [file ...] |
cut -c list [file ...] |
cut -f list [-d delim] [-s] [file ...] |
The list option argument is a comma or whitespace separated set of numbers and/or number ranges. |
-d delim |
Use delim as the field delimiter character instead of the tab |
character. |
-f list |
The list specifies fields, separated in the input by the field |
delimiter character (see the -d option.) Output fields are |
separated by a single occurrence of the field delimiter character. |
-c list |
The list specifies character positions. |
example: |
cut -d : -f 1 /etc/passwd | sort |
who | cut -c 1-16,26-38 |
