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Full Discussion: 'time' does NOT work on a function in 'dash'.
Operating Systems OS X (Apple) 'time' does NOT work on a function in 'dash'. Post 303003292 by neutronscott on Monday 11th of September 2017 09:21:46 PM
Old 09-11-2017
Code:
mute@zbox:~$ type time
time is a shell keyword
mute@zbox:~$ dash
$ type time
time is /usr/bin/time

Look at dash manual. It doesn't provide a time. bash has a built-in time, so it can time things like functions. Since dash doesn't provide it, you're using an external program called time. It cannot call shell functions.
These 2 Users Gave Thanks to neutronscott For This Post:
vgersh99 wisecracker
 

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LEARN ABOUT SUNOS

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/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/pfcsh,  /usr/bin/pfksh,
       /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.

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

FILES

       /etc/shells	       lists shells on system

SEE ALSO

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

SunOS 5.10							    4 Jun 2001								 shells(4)
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