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Full Discussion: whats this NAME=${0##*/}
Top Forums Shell Programming and Scripting whats this NAME=${0##*/} Post 302241801 by Arunprasad on Tuesday 30th of September 2008 10:09:37 AM
Old 09-30-2008
Java whats this NAME=${0##*/}

hi all,

i found NAME=${0##*/} in a script.
i given this coomand in my unix box(presently in ksh).

echo ${0##*/} it returned ksh.
the purpose of the above is to return the shell name or more than that.

do you have any more information like this, please share with me.

one more query
what is set -xv and +xv.
i read the above with "man". but i am not clear with that.
 

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times(1)							   User Commands							  times(1)

NAME
times - shell built-in function to report time usages of the current shell SYNOPSIS
sh times ksh times DESCRIPTION
sh Print the accumulated user and system times for processes run from the shell. ksh Print the accumulated user and system times for the shell and for processes run from the shell. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari- able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), time(1), attributes(5) SunOS 5.10 15 Apr 1994 times(1)
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