07-21-2008
Quote:
Originally Posted by
naughty21
...but can u tell me what is the previous return code............
is the command or code above the if statement ?
Is the exit code of the previous command.
Quote:
Originally Posted by
naughty21
and also can u tell me what does this means if [ $# -ne 3 ];
If the number of arguments is not equal to 3 ... do something.
You should begin by reading
An Introduction To Shell Programming
... and when you finish proceed to:
https://www.unix.com/answers-frequent...tutorials.html
Last edited by danmero; 07-21-2008 at 02:04 AM..
Reason: add link to tutorials
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LEARN ABOUT MOJAVE
urn-scheme
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)