remove_xdg_urls.bash

program="BEGIN{prev = \"\"} \
\
/^# file: / {\
  prev = substr(\$0, 9)\
}\
\
/$2/ {\
  print prev;\
  prev=\"\"\
}\
\
/^\$/ {\
  prev=\"\"\
}"

OLDIFS=$IFS
IFS=$'\n'
 
# read all file name into an array
fileArray=($(getfattr -dRh $1 2>/dev/null | awk "$program"))
 
# restore it
IFS=$OLDIFS
 
# get length of an array
tLen=${#fileArray[@]}
 
# use for loop read all filenames
for (( i=0; i<${tLen}; i++ ));
do
  setfattr -hx $2 "${fileArray[$i]}"
done

Example

bash remove_xdg_urls.bash ~/Downloads user.xdg.origin.url

Slash is missing at line 31:
setfattr -hx $2 "/${fileArray[$i]}"

Slash is missing at line 31:
setfattr -hx $2 "/${fileArray[$i]}"

No. This script only works with relative paths not absolute.