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Full Discussion: remove duplicate
Top Forums Shell Programming and Scripting remove duplicate Post 302369378 by durden_tyler on Saturday 7th of November 2009 10:50:47 PM
Old 11-07-2009
Quote:
Originally Posted by ccp
...
"I love yahoo" becomes " I love yah" because "o" appears in love once
Nope, that's an incorrect statement. The correct statement is:

"I love yahoo" becomes "I love yah" because "o" appears in "yahoo" twice, and hence (both occurrences are) removed.

Quote:
...
so "I am tech savvy" should become " I am tech savy"
...
Going by the stated requirement in your first post:

Quote:
...
I am tryung to use shell or perl to remove duplicate characters
...
and noting that the only duplicate characters in "I am tech savvy" are the two "v"s in "savvy", they should be removed, thus resulting in "I am tech say".

tyler_durden
 

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uri_urn(n)					    Tcl Uniform Resource Identifier Management						uri_urn(n)

__________________________________________________________________________________________________________________________________________________

NAME
uri_urn - URI utilities, URN scheme SYNOPSIS
package require Tcl 8.2 package require uri::urn ?1.1.2? uri::urn::quote url uri::urn::unquote url _________________________________________________________________ DESCRIPTION
This package provides two commands to quote and unquote the disallowed characters for url using the urn scheme, registers the scheme with the package uri, and provides internal helpers which will be automatically used by the commands uri::split and uri::join of package uri to handle urls using the urn scheme. COMMANDS
uri::urn::quote url This command quotes the characters disallowed by the urn scheme (per RFC 2141 sec2.2) in the url and returns the modified url as its result. uri::urn::unquote url This commands performs the reverse of ::uri::urn::quote. It takes an urn url, removes the quoting from all disallowed characters, and returns the modified urls as its result. BUGS, IDEAS, FEEDBACK This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category uri of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation. KEYWORDS
rfc 2141, uri, url, urn CATEGORY
Networking uri 1.1.2 uri_urn(n)
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