03-11-2011
index isn't a literal command, it's part of the expr utility or builtin. Since many shells have it as a shell builtin, what features you get may depend on what shell you use.
You could try forcing it to use an external expr by giving expr's absolute path, i.e. /bin/expr
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LEARN ABOUT DEBIAN
smd-server
smd-server(1) Sync Mail Dir (smd) documentation smd-server(1)
NAME
smd-server - sends diffs and mails to smd-client
SYNOPSIS
smd-server [--exclude glob] [-v|--verbose] [-d|--dry-run]
[--get-mddiff-cmdline] [--stop-after-diff]
[--override-db dbf] [--dump-stdin tgt] endpoint mailboxes
DESCRIPTION
smd-server needs to know a name (endpoint) for the client (that must not be used by others) and a list of mailboxes (directories).
smd-server first calls mddiff(1), then prints on stdout the generated diff. It then accepts from stdin a small set of commands a client may
issue to request a file (or parts of it, like the header).
smd-server is in charge of committing the db file used by mddiff(1) in case the client communicates a successful sync.
OPTIONS
-v --verbose
Increase program verbosity (printed on stderr)
-d --dry-run
Do not perform any action for real
-n --no-delete
Do not track deleted files
--exclude glob
Exclude paths matching glob
--override-db dbf
Use dbf as the db-file
--get-mddiff-cmdline
Print the command line used for mddiff and then exist
--stop-after-diff
Send the actions to the other endpoint and exit. If used in conjunction with --override-db, dbf is removed just before exiting
--dump-stdin tgt
Dump standard input to tgt and exit
NOTES
smd-server is a low level utility. You should use higher level tools like smd-pull(1) and smd-push(1)
SEE ALSO
mddiff(1), smd-client(1), smd-pull(1), smd-push(1)
AUTHOR
Enrico Tassi <gares@fettunta.org>
11 June 2012 smd-server(1)