[unix-history] / usr / man / man1 / look.1

.TH LOOK 1 
.SH NAME
look \- find lines in a sorted list
.SH SYNOPSIS
.B look
[
.B \-df
]
string
[ file ]
.SH DESCRIPTION
.I Look
consults a sorted
.I file
and prints all lines that begin with
.IR string .
It uses binary search.
.PP
The options 
.B d
and
.B f
affect comparisons as in
.IR  sort (1):
.TP 4
.B  d
`Dictionary' order:
only letters, digits,
tabs and blanks participate in comparisons.
.TP 4
.B  f
Fold.
Upper case letters compare equal to lower case.
.PP
If no
.I file
is specified,
.I /usr/dict/words
is assumed with collating sequence
.B \-df.
.SH FILES
/usr/dict/words
.SH "SEE ALSO"
sort(1), grep(1)
Commit	Line	Data
e3758c96 C	1	.TH LOOK 1
	2	.SH NAME
	3	look \- find lines in a sorted list
	4	.SH SYNOPSIS
	5	.B look
	6	[
	7	.B \-df
	8	]
	9	string
	10	[ file ]
	11	.SH DESCRIPTION
	12	.I Look
	13	consults a sorted
	14	.I file
	15	and prints all lines that begin with
	16	.IR string .
	17	It uses binary search.
	18	.PP
	19	The options
	20	.B d
	21	and
	22	.B f
	23	affect comparisons as in
	24	.IR sort (1):
	25	.TP 4
	26	.B d
	27	`Dictionary' order:
	28	only letters, digits,
	29	tabs and blanks participate in comparisons.
	30	.TP 4
	31	.B f
	32	Fold.
	33	Upper case letters compare equal to lower case.
	34	.PP
	35	If no
	36	.I file
	37	is specified,
	38	.I /usr/dict/words
	39	is assumed with collating sequence
	40	.B \-df.
	41	.SH FILES
	42	/usr/dict/words
	43	.SH "SEE ALSO"
	44	sort(1), grep(1)