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Full Discussion: Best way to increment weeks based on fiscal start year
Top Forums UNIX for Beginners Questions & Answers Best way to increment weeks based on fiscal start year Post 303006480 by Don Cragun on Thursday 2nd of November 2017 01:49:24 PM
Old 11-02-2017
Quote:
Originally Posted by RudiC
Shouldn't that read ksh (AT&T...)... , then?

EDIT: And, shouldn't that ksh version be capable to do ALL the parameter expansions we were talking about in this thread?
One could easily argue that David should have put ksh in the version output instead of sh, but that isn't what it does. David and Glenn have argued that ksh is frequently install as (or linked to) sh and that is the reason the output is the way it is.

No. The ${var//...} parameter expansion is not one of the ones defined by the standards (the ones in the standards are in all versions of ksh93). I think this expansion was adopted up from another shell (maybe bash). I also think a recent version of bash adopted printf '%(date_format)T' from ksh93.
 

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LEARN ABOUT OPENSOLARIS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh,
       /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh,
       /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list.

       Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1).

FILES

       /etc/shells    list of shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.11							    20 Nov 2007 							 shells(4)
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