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Plan 9 - man page for look (plan9 section 1)

LOOK(1) 			     General Commands Manual				  LOOK(1)

NAME
       look - find lines in a sorted list

SYNOPSIS
       look [ -dfnixtc ] [ string ] [ file ]

DESCRIPTION
       Look  consults  a sorted file and prints all lines that begin with string.  It uses binary
       search.

       The following options are recognized.  Options dfnt affect comparisons as in sort(1).

       -i     Interactive.  There is no string argument; instead look takes lines from the  stan-
	      dard input as strings to be looked up.

       -x     Exact.  Print only lines of the file whose key matches string exactly.

       -d     `Directory'  order:  only  letters,  digits, tabs and blanks participate in compar-
	      isons.

       -f     Fold.  Upper case letters compare equal to lower case.

       -n     Numeric comparison with initial string of digits, optional minus sign, and optional
	      decimal point.

       -t[c]  Character  c  terminates	the sort key in the file.  By default, tab terminates the
	      key.  If c is missing the entire line comprises the key.

       If no file is specified, /lib/words is assumed, with collating sequence df.

FILES
       /lib/words

SOURCE
       /sys/src/cmd/look.c

SEE ALSO
       sort(1), grep(1)

DIAGNOSTICS
       The exit status is "not found" if no match is found, and "no dictionary" if  file  or  the
       default dictionary cannot be opened.

											  LOOK(1)


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