On Thu, Oct 26, 2017 at 04:19:42PM +1100, David Margerison wrote: > On 26 October 2017 at 11:39, <pe...@easthope.ca> wrote: > > > > According to 'man mountpoint', it returns 0 if something is mounted. > > So why the complaint from > > if [ mountpoint $WorkingDirectory ] ? > > Answered here: > > http://mywiki.wooledge.org/BashPitfalls#if_.5Bgrep_foo_myfile.5D > > http://mywiki.wooledge.org/BashGuide/TestsAndConditionals#Conditional_Blocks_.28if.2C_test_and_.5B.5B.29 > > On 26 October 2017 at 12:23, Roberto C. Sánchez <robe...@debian.org> wrote: > > > > mountpoint -q $WorkingDirectory > > if [[ $? = 0 ]] > > That will work, but is ridiculous considering this works by design: > > if mountpoint -q "$wd" ; then > echo "$wd is a mountpoint" > fi >
Yes, quite right. Though, my syntax makes it clear that what is being tested/evlauated is the exit status, not the output. I know that the if evaluates the exit status, but that may not be immediately evident to someone who is not particularly familiar with shell programming. To each his own. Regards, -Roberto -- Roberto C. Sánchez
