OK. So this will make sure `/d1/d2/d3` will not be searched multiple
times? Or it is still searched when `/d1/d2`, `/d1` or `/` is
searched?
On 4/12/20, Bernhard Voelker <m...@bernhard-voelker.de> wrote:
> On 2020-04-11 12:19, Peng Yu wrote:
>> Recursive also means subdirectories, sub subdirectories, etc.
>
> ah, so you want to fall back for the search to the parent and all
> parent directories. E.g. if you are in
> /d1/d2/d3
> then you want to search in
> /d1/d2/d3
> falling back to
> /d1/d2
> and
> /d1
> and
> /
> right?
>
> Then you just need to convert $PWD accordingly and pass it
> to one find invocation. Maybe something like this?
>
> ---8<---8<---8<---8<---8<---8<---8<---8<---8<---8<---8<---
> #!/bin/sh
>
> f="$1" \
> && test -n "$f" \
> || { echo "Usage: $0 FILE" >&2; exit 1; }
>
> # Expand "/d1/d2/d3" into "/d1/d2/d3 /d1/d2 /d1 /".
> sedSplitDirs='
> :a # loop target.
> # handle end of loop: append slash, print + quit.
> /^$/ {
> c\
> /
> p; q};
> # Print each line.
> p
> # Then strip off trailing dir ...
> s|/[^/]*$||;
> # ... and jump to :a.
> ta
> '
>
> find -H $( pwd | sed "$sedSplitDirs" ) -name "$f" -ls -quit
> --->8--->8--->8--->8--->8--->8--->8--->8--->8--->8--->8---
>
> Have a nice day,
> Berny
>
--
Regards,
Peng
