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Top Forums Shell Programming and Scripting Creating a pseudo-array in dash, (POSIX). Post 303028562 by jim mcnamara on Thursday 10th of January 2019 12:11:58 PM
Old 01-10-2019
Execute the above, then call part of your scheme to assign each of the elements to your array. Personally, I would avoid dash if possible if you need features like typedef, declare, arrays.... AFAIK a Linux system with /bin/sh == dash also will have /bin/bash available, too. ---Not applicable to ARM linux and other minimized CE versions of Linux. A shebang with #!/bin/bash seems preferable. Unless of course this is all just meant for fun. You do realize that extensive workarounds for production systems are generally bad idea.
 

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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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