Re: when using `which` send errors to /dev/null

[Kyle Wheeler]

On Thursday, May 24 at 02:40 PM, quoth Cameron Simpson:

On 23May2007 21:21, David Champion <[EMAIL PROTECTED]> wrote:
| * On 2007.05.23, in <[EMAIL PROTECTED]>,

| > Unless that breaks on Solaris, which it may:-(

| Solaris's gives "-r: is not an identifier", but I don't expect that it's
| limited to Solaris.

I think it's POSIX standard, but not SysV Bourne shell (sorry, no chapter
and verse to hand). Solaris ships with the latter as /bin/sh.

But as you point out, a single exception may be enough.

| * "Cameron Simpson" <[EMAIL PROTECTED]> wrote: | > printf "%s\n" "$PATH" | tr : '\012' | while read -r dir; do | | I don't think -r is present in a strict Bourne shell's "read".

What about:

    echo $PATH | while read -d : dir ; do

?

~Kyle
--
To invent, you need a good imagination and a pile of junk.
                                                   -- Thomas Jefferson

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