POSIX shell incompatibilities
------------------------------
Key: COUCHDB-169
URL: https://issues.apache.org/jira/browse/COUCHDB-169
Project: CouchDB
Issue Type: Bug
Components: Infrastructure
Environment: Solaris
Reporter: Noah Slater
Assignee: Noah Slater
> My local "checkbashisms" doesn't seem to complain at all. The [ ... ] syntax
> is just a shortcut for "test" and I would prefer to avoid it if possible.
> Could you check for me that using "test expr" wouldn't work in its place.
>
No, "test expr" doesn't work. After test you can only have arguments to test,
not shell expressions. It is possible of course to do:
if test `echo 2> /dev/null >> $PID_FILE; echo $?` -gt 0; then
For proof, see the man page:
http://docs.sun.com/app/docs/doc/816-5165/test-1?l=en&q=man&a=view
> This seems reasonable, though checkbashisms doesn't report anything.
>
>
>
> I am wondering if your Solaris shell is POSIXly correct. Could you provide me
> with a pointer to its manual, please?
>
It doesn't get more POSIX than Solaris :).
$ /bin/sh
$ echo $(echo yes)
syntax error: `(' unexpected
Here is the man page. Note that the "Command substitution" section doesn't
mention anything about $() syntax.
http://docs.sun.com/app/docs/doc/816-5165/sh-1?l=en&q=man&a=view
You may want to have a our collaborative notes over there:
- http://wiki.joyent.com/accelerators:setup-couchdb
- http://discuss.joyent.com/viewtopic.php?id=24108
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