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Shell Programming and Scripting
how to sort strings by length?
Post 302288721 by rockbike on Tuesday 17th of February 2009 09:22:15 PM
02-17-2009
how to sort strings by length?
I'm trying to find the longest word in /usr/share/dict/words
The first thing I can think of is to sort the content by length then it would be easy to find out, but then i realize theres no option of sort to sort by length.
Could you guys please give me some help?
The first thing I can think of is to sort the content by length then it would be easy to find out, but then i realize theres no option of sort to sort by length.
Could you guys please give me some help?
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LEARN ABOUT SUSE
look
LOOK(1) BSD General Commands Manual LOOK(1) NAME
look -- display lines beginning with a given string SYNOPSIS
look [-dfa] [-t termchar] string [file] DESCRIPTION
The look utility displays any lines in file which contain string as a prefix. As look performs a binary search, the lines in file must be sorted (where sort(1) got the same options -d and/or -f that look is invoked with). If file is not specified, the file /usr/share/dict/words is used, only alphanumeric characters are compared and the case of alphabetic char- acters is ignored. Options: -d Dictionary character set and order, i.e. only alphanumeric characters are compared. (On by default if no file specified). -f Ignore the case of alphabetic characters. (On by default if no file specified). -a Use the alternate dictionary /usr/share/dict/web2 -t Specify a string termination character, i.e. only the characters in string up to and including the first occurrence of termchar are compared. The look utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred. FILES
/usr/share/dict/words the dictionary /usr/share/dict/web2 the alternate dictionary SEE ALSO
grep(1), sort(1) COMPATIBILITY
The original manual page stated that tabs and blank characters participated in comparisons when the -d option was specified. This was incor- rect and the current man page matches the historic implementation. HISTORY
Look appeared in Version 7 AT&T Unix. AVAILABILITY
The look command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/. BSD
June 14, 1993 BSD