使用权限：所有使用者
用法：cut-cnum1-num2filename
说明：显示每行从开头算起num1到num2的文字。
范例：
shell>>catexample
test2
thisistest1
shell>>cut-c0-6example##print开头算起前6个字元
test2
thisi
#p#
NAME
cut - remove sections from each line of files
SYNOPSIS
cut [OPTION]... [FILE]...
DESCRIPTION
Print selected parts of lines from each FILE to standard output.
Mandatory arguments to long options are mandatory for short options too.
- -b, --bytes=LIST
- output only these bytes
- -c, --characters=LIST
- output only these characters
- -d, --delimiter=DELIM
- use DELIM instead of TAB for field delimiter
- -f, --fields=LIST
- output only these fields; also print any line that contains no delimiter character, unless the -s option is specified
- -n
- with -b: don't split multibyte characters
- -s, --only-delimited
- do not print lines not containing delimiters
- --output-delimiter=STRING
- use STRING as the output delimiter the default is to use the input delimiter
- --help
- display this help and exit
- --version
- output version information and exit
Use one, and only one of -b, -c or -f. Each LIST is made up of one range, or many ranges separated by commas. Each range is one of:
- N
- N'th byte, character or field, counted from 1
- N-
- from N'th byte, character or field, to end of line
- N-M
- from N'th to M'th (included) byte, character or field
- -M
- from first to M'th (included) byte, character or field
With no FILE, or when FILE is -, read standard input.
AUTHOR
Written by David Ihnat, David MacKenzie, and Jim Meyering.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for cut is maintained as a Texinfo manual. If the info and cut programs are properly installed at your site, the command
- info coreutils cut
should give you access to the complete manual.
