On Mon, 3 Jun 2024, Jeremy Drake via Cygwin wrote: > I'm not necessarily sure that the subject is clear enough, so I want to be > explicit that I'm talking about files (or I guess potentially directories, > though I've never seen that) generated by the `try_to_bin` function in > winsup/cygwin/syscalls.cc. Specifically, you can generate one with this > simple bash reproducer: > > cp /usr/bin/sleep.exe . > ./sleep 1000 & > rm -f ./sleep.exe > kill %1 > fg > > My questions are (starting at the beginning with what I'm trying to > accomplish, and wandering off into the weeds of the various things I've > tried to do that). > > 1) is there some mechanism in Cygwin that I'm not seeing to clean up these > files? So far I've confirmed that their creation does not result in the > recycle bin icon turning from 'empty' to 'full' on the desktop, and that > emptying the recycle bin there (when it doesn't think it's already empty) > does not remove them. > > 2) assuming there is not, I want to make a script using only things > present in a "base system" to clean them up.
Now that the mount points are escaped and contain the Windows volume roots starting with 3.6, here's my script. It uses bash/find/gawk. I'd welcome any ideas on improving it, I've only just started messing with gawk. (I'd started out doing grep/cut then xargs printf "%b\0" to unescape, but with gawk I can do that all in one program). It's in https://gist.github.com/jeremyd2019/4984ff0fa1f6fd8c99d7b8b244c52088 #!/bin/bash -ex IFS=. read -r cygmajor cygminor _ < <(uname -r) declare -a roots if [ "${cygmajor}" -gt 3 -o "${cygmajor}" -eq 3 -a "${cygminor}" -ge 6 ]; then # as of cygwin 3.6, volume roots are parsable from /proc/mounts # (noumount is the option that indicates a cygdrive mount) readarray -t -d $'\0' roots < <( LC_CTYPE=C LC_COLLATE=C gawk -v 'ORS=\0' -l ordchr ' $4 ~ /\<noumount\>/ { split($2,a,/\\0?[0-7]{1,3}/,seps) ret=a[1] for (x=2; x<=length(a); x++) ret = ret chr(strtonum("0" substr(seps[x-1],2))) a[x] print ret }' /proc/mounts) else # before that, just punt and look at the root of the drive / is mounted on root="$(cygpath -w /)" roots=("$(cygpath -u "${root:0:2}")") unset root fi declare -a trash readarray -t -d $'\0' trash < <( LC_CTYPE=C LC_COLLATE=C \ find "${roots[@]}" -maxdepth 1 -iname '$Recycle.Bin' -print0 | LC_CTYPE=C LC_COLLATE=C \ find -files0-from - -maxdepth 2 \( -name $'.\uDC6D\uDC73\uDC79\uDC73*' -o \ -name $'.\uF76D\uF773\uF779\uF773*' -o \ -name '.msys*' -o \ -name $'.\uDC63\uDC79\uDC67*' -o \ -name $'.\uF763\uF779\uF767*' -o \ -name '.cyg*' \) -print0) if (( ${#trash[@]} )); then ls -la "${trash[@]}" read -r -p "Remove? (y/N) " if [[ "${REPLY^^}" == "Y" ]]; then rm -f "${trash[@]}" fi fi -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
