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Top Forums Shell Programming and Scripting Unix Variable Reference and Substitution Post 53017 by anarchie on Friday 2nd of July 2004 08:47:55 AM
Old 07-02-2004
With bash, you can use the following construct to use the contents of a variable as the name of another variable, doing in effect a double expansion:

${!systems}

If systems contains "systemA_list", then it will instead expand the value of $systemA_list. It sounds like you have to do something like this:

system=systemA

listname=${system}_list #put name of required variable in $listname

list=${!listname} # expand $listname twice, giving the value of $systemA_list
 

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LIST_MEMBERS(8) 					      System Manager's Manual						   LIST_MEMBERS(8)

NAME
list_members - List all the members of a Mailman mailing list SYNOPSIS
list_members [-o file] [-r] [-d] [-p] [-h] listname OPTIONS
-o file, --output file Write output to specified file instead of standard out. -r, --regular Print just the regular (non-digest) members. -d [kind], --digest[=kind] Print just the digest members. Optional argument can be "mime" or "plain" which prints just the digest members receiving that kind of digest. --nomail[=why], -n [why] Print the members that have delivery disabled. Optional argument can be "byadmin", "byuser", "bybounce", or "unknown" which prints just the users who have delivery disabled for that reason. It can also be "enabled" which prints just those member for whom deliv- ery is enabled. -f, --fullnames Include the full names in the output. -p, --preserve Output member addresses case preserved the way they were added to the list. Otherwise, addresses are printed in all lowercase. -i, --invalid Print only the addresses in the membership list that are invalid. Ignores -r, -d, -n. -u, --unicode Print addresses which are stored as Unicode objects instead of normal string objects. Ignores -r, -d, -n. -h, --help Print a small help text and exit listname is the name of the mailing list to use. NOTES
Note that if neither -r or -d is supplied, both regular members are printed first, followed by digest members, but no indication is given as to address status. AUTHOR
Author of Mailman is the Mailman Cabal, see http://www.list.org/ for information. This manpage is written by Tollef Fog Heen <tfheen@debian.org> for Debian, but may be used by others. SEE ALSO
Mailman documentation on http://www.list.org/ and in /usr/share/doc/mailman. 2004-10-17 LIST_MEMBERS(8)
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