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# Strip trailing spaces on one or more files
# Check arguments
if [ "$#" -eq 0 ] ; then
printf >&2 'stws: Need a filename\n'
exit 2
fi
# Iterate over arguments and apply the same ed(1) script to each of them
for fn ; do
ed -s -- "$fn" <<'EOF' || ex=1
g/ *$/ s/ *$//
w
EOF
done
# If any of the ed(1) commands failed, we should exit with 1
exit "${ex:-0}"
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