How (or why) does this bash script snippet work?

[Cameron Simpson]

On 12Jan2012 20:34, Mark LaPierre <marklapier at aol.com> wrote:
| or you could do:
| 
| nodevs=`fgrep rootfs /proc/filesystems`
| 
| The only problem is that putting the command inside ticks launches a
| child process that consumes additional resources.

Shrug. So does:

  nodevs=$(fgrep rootfs /proc/filesystems)

The:

  <foo command [args...]

form is handy for programmatically constructed pipelines, too.

Cheers,
-- 
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

When in doubt, gas it. It may not solve the problem, but it ends the suspense.
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