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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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