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Top Forums UNIX for Beginners Questions & Answers Bash selection of files with similar name Post 303041725 by Chubler_XL on Monday 2nd of December 2019 03:41:40 PM
Old 12-02-2019
You may find this on-line version of "The Are of Unix Programming" useful:

The Art of Unix Programming

A quick google search for "Bash tips and tricks" turned up this fairly good article on bash:

101 Bash Commands and Tips for Beginners to Experts - DEV Community 👩*💻👨*💻

I pretty much learnt awk programming from this site . Initially I was amazed how easily awk could be used to solve problems posted here. I worked thru the solutions proposed by others and used google and other on-line resources to nut out what was going on. I did start with a lot of programming experience in other languages, which gave me a head start. Start by understanding the supplied solutions and work up to figuring out your own answers without looking at how others have done it first. Compare what you have come up with to the supplied answer. It's fairly important that you have access to a system you can trial and debug solutions on.
 

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uri_urn(3tcl)					    Tcl Uniform Resource Identifier Management					     uri_urn(3tcl)

__________________________________________________________________________________________________________________________________________________

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(3tcl)
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