I have a folder containing many folders with subfolder (/...) with the following structre:
_30_photos/combined
_30_photos/singles
_47_foo.bar
_47_foo.bar/combined
_47_foo.bar/singles
_50_foobar
With the command find . -type d -print | grep '_[0-9]*_'
all folder with the structure ** will be shown. But I have generate a regex which captures only the */combined folders:
_[0-9]*_[a-z.]+/combined
but when I insert that to the find command, nothing will be printed.
The next step would be to create for each combined folder (somewhere on my hdd) a folder and copy the content of the combined folder to the new folder. The new folder name should be the same as the parent name of the subfolder e.g. _47_foo.bar. Could that be achieved with an xargs command after the search?
You do not need grep:
find . -type d -regex ".*_[0-9]*_.*/combined"
For the rest:
find . -type d -regex "^\./.*_[0-9]*_.*/combined" | \
sed 's!\./\(.*\)/combined$!& /somewhere/\1!' | \
xargs -n2 cp -r
With basic grep
you will need to escape the +
:
... | grep '_[0-9]*_[a-z.]\+/combined'
Or you can use the "extended regexp" version (egrep
or grep -E
[thanks chepner]) in which the +
does not have to be escaped.
xargs
may not be the most flexible way of doing the copying you describe above, as it is tricky to use with multiple commands. You may find more flexibility with a while loop:
... | grep '_[0-9]*_[a-z.]\+/combined' | while read combined_dir; do
mkdir some_new_dir
cp -r ${combined_dir} some_new_dir/
done
Have a look at bash string manipulation if you want a way to automate the name of some_new_dir
.
target_dir="your target dir"
find . -type d -regex ".*_[0-9]+_.*/combined" | \
(while read s; do
n=$(dirname "$s")
cp -pr "$s" "$target_dir/${n#./}"
done
)
NOTE:
[0-9]*
to [0-9]+
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