Hi,
the new line in the sessionclean script combines a lot of errrors:
[ -x /usr/bin/lsof ] && /usr/bin/lsof -w -l +d "${1}" -F0 | sed -zne "s/^n//p"
| xargs -0i echo touch -c -h "'{}'"
* using -F0 instead of -F0n creates too much useless output
* the -n option to sed is not supported by the sed from Wheezy
* the output of lsof -F0 and the regular expression do not fit:
lsof outputs the sequence \x00\x0a (a NUL byte, then a Newline), but the
regex looks for a letter 'n' at the beginning of a line, e.g. directly
following the NUL byte
* xargs does not call touch, but echo
* the quoting of the xargs replace-str results in adding single quotes to
the file name given to touch
To fix these bugs you can use the following:
1) Using perl for Wheezy:
[ -x /usr/bin/lsof ] && /usr/bin/lsof -w -l +d "${1}" -F0n | perl -0ne
's/^\nn// and print' | xargs -0i touch -c -h {}
2) Using sed for Jessie and later:
[ -x /usr/bin/lsof ] && /usr/bin/lsof -w -l +d "${1}" -F0n | sed -zne
's/^\nn//p' | xargs -0i touch -c -h {}
In all likelihood the number of touch calls can be reduced as well by changing
the xargs call to not use -i (untested!):
xargs -0 touch -c -h
Anyway, please _test_ any of these changes before implementing them!
Thanks,
Erik
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