cut(1) [minix man page]
CUT(1) General Commands Manual CUT(1) NAME
cut - select out columns of a file SYNOPSIS
cut [ -b | -c] list [file...] cut -f list [-d delim] [ -s] OPTIONS
-b Cut specified bytes -c Select out specific characters -d Change the column delimiter to delim -f Select out specific fields that are separated by the -i Runs of delimiters count as one -s Suppres lines with no delimiter characters, when used EXAMPLES
cut -f 2 file # Extract field 2 cut -c 1-2,5 file # Extract character columns 1, 2, and 5 cut -c 1-5,7- file # Extract all columns except 6 DESCRIPTION
[file...]" delimiter character ( see delim)" with the -f option. Lines with no delimiters are passwd through untouched" Cut extracts one or more fields or columns from a file and writes them on standard output. If the -f flag is used, the fields are sepa- rated by a delimiter character, normally a tab, but can be changed using the -d flag. If the -c flag is used, specific columns can be specified. The list can be comma or BLANK separated. The -f and -c flags are mutually exclusive. Note: The POSIX1003.2 standard requires the option -b to cut out specific bytes in a file. It is intended for systems with multi byte characters (e.g. kanji), since MINIX uses only one byte characters, this option is equivalent to -c. For the same reason, the option -n has no effect and is not listed in this man- ual page. SEE ALSO
sed(1), awk(9). CUT(1)
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cut(1) General Commands Manual cut(1) Name cut - cut out selected fields of each line of a file Syntax cut -clist [file1 file2...] cut -flist [-dchar] [-s] [file1 file2...] Description Use the command to cut out columns from a table or fields from each line of a file. The fields as specified by list can be fixed length, that is, character positions as on a punched card (-c option), or the length can vary from line to line and be marked with a field delim- iter character like tab (-f option). The command can be used as a filter. If no files are given, the standard input is used. Use to make horizontal ``cuts'' (by context) through a file, or to put files together in columns. To reorder columns in a table, use and Options list Specifies ranges that must be a comma-separated list of integer field numbers in increasing order. With optional - indicates ranges as in the -o option of nroff/troff for page ranges; for example, 1,4,7; 1-3,8; -5,10 (short for 1-5,10); or 3- (short for third through last field). -clist Specifies character positions to be cut out. For example, -c1-72 would pass the first 72 characters of each line. -flist Specifies the fields to be cut out. For example, -f1,7 copies the first and seventh field only. Lines with no field delim- iters are passed through intact (useful for table subheadings), unless -s is specified. -dchar Uses the specified character as the field delimiter. Default is tab. Space or other characters with special meaning to the shell must be quoted. The -d option is used only in combination with the -f option, according to XPG3 and SVID2/SVID3. -s Suppresses lines with no delimiter characters. Unless specified, lines with no delimiters are passed through untouched. Either the -c or -f option must be specified. Examples Mapping of user IDs to names: cut -d: -f1,5 /etc/passwd To set name to the current login name for the csh shell: set name=`who am i | cut -f1 -d" "` To set name to the current login name for the sh, sh5, and ksh shells: name=`who am i | cut -f1 -d" "` Diagnostics "line too long" A line can have no more than 511 characters or fields. "bad list for c/f option" Missing -c or -f option or incorrectly specified list. No error occurs if a line has fewer fields than the list calls for. "no fields" The list is empty. See Also grep(1), paste(1) cut(1)