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1.1 root 1: .TH LOOK 1 "18 January 1983"
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)
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