commit 2d88916c9fd4a4d9142d2a52b04165500cb05008 parent 7b26d9f9cb895d3f599243c50b87903bdc30542c Author: JayVii <jayvii[AT]posteo[DOT]de> Date: Sat, 22 Mar 2025 14:59:20 +0100 feat: insert new date sometime between stated and now Diffstat:
| M | fetch_and_rewrite.sh | | | 22 | +++++++++++++++++++++- |
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/fetch_and_rewrite.sh b/fetch_and_rewrite.sh @@ -153,7 +153,27 @@ if [ -f "${cache_file}.old" ]; then # replace date in affected line if [ ! -z $date_line ]; then - new_date=$(LC_ALL=en date "+%a, %d %b %Y %H:%m:%S %z") + + # generate a new date line that is some time between now and the date + # listed in the original XML + + ## get original date + orig_date=$( + awk "NR==$date_line" "${cache_file}.new" | sed -e 's/^.*=>\s*//' + ) + + ## produce timestamps + orig_ts=$(date +%s --date "$orig_date") + now_ts=$(date +%s) + + ## scale new date between a random point in time between both timestamps + ### produce an approx. uniformly distributed number ~ U(0,10000) + diff_ts=$(($orig_ts - $now_ts)) + rnd=$(shuf -i 1-10000 -n 1) + new_ts=$(($now_ts + (($rnd * $diff_ts) / 10000))) + new_date=$(LC_ALL=en date "+%a, %d %b %Y %H:%M:%S %z" --date "@${new_ts}") + + ## insert new date into newly cached file sed -e "${date_line}s/=>[^\/]*/=> ${new_date}/" -i "${cache_file}.new" fi