On 23Aug2016 18:00, Markus Schönhaber <fedora-users@xxxxxxxxxxxxxxxxxxxxx> wrote:
what is the difference between these two commands ?
ls /*
and
ls /*/
-------------------
these two commands give me different output:
ls -ld /* =--->list all the files inside the directory (both files and
subdirectories)
ls -ld /*/ =---> give me the list of only the (subdirectory inside the
directory)
The difference is not caused by ls but rather by the way the shell does
the filename expansion.
In case it isn't clear, only directories will have stuff inside them (/a/b...)
so /*/ will only match directries.
BTW: If you're using bash, it will by default show you the expanded list
of filenames that match the pattern if you press Ctrl-X * when the
cursor is positioned directly after the pattern.
And in any shell you can investigate this kind of thing like this:
echo /*
echo /*/
and see exactly what command is dipatched like this:
( set -x ; ls /* )
( set -x ; ls /*/ )
Using a subshell here purely so that the "set -x" applies only to the only
command.
Cheers,
Cameron Simpson <cs@xxxxxxxxxx>
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