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Full Discussion: Beginner looking for help
Top Forums Shell Programming and Scripting Beginner looking for help Post 302471348 by in2nix4life on Friday 12th of November 2010 02:29:09 PM
Old 11-12-2010
Depending on the version of grep on your distro, you could do it with a single line:

grep -v '\([[:alpha:]]\)\1' input

Hope this helps.
 

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OSALANG(1)						    BSD General Commands Manual 						OSALANG(1)

NAME
osalang -- information about installed OSA languages SYNOPSIS
osalang [-dlL] DESCRIPTION
osalang prints information about installed OSA languages. With no options, it prints an unadorned list of language names to standard output. These names can be passed to the -l options of osacompile(1) and osascript(1). The options are as follows: -d Only print the default language. -l List in long format. For each language, osalang will print its component subtype, manufacturer, and capability flags. There are eight groups of optional routines that scripting components can support. Each flag is either a letter, meaning the group is supported, or '-', meaning it is not. The letters map to the following groups: c compiling scripts. g getting source data. x coercing script values. e manipulating the event create and send functions. r recording scripts. v ``convenience'' APIs to execute scripts in one step. d manipulating dialects. h using scripts to handle Apple Events. For descriptions of the groups and the APIs in each of them, see <http://developer.apple.com/documentation/mac/IAC/IAC-361.html>. -L Same as -l, but also prints the description of each component after its name. SEE ALSO
osacompile(1), osascript(1) Mac OS X May 1, 2001 Mac OS X
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