scripts/slmd.sh at main · muhme/scripts · GitHub

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#!/bin/bash -e
#
# slmd.sh - set last modified dates
#
# usage: find . name \*.md | rlmd.sh > modfied.txt # save last modified date and time
#        slmd.sh < modified.txt                    # restore last modified date and time
#
# tested on:
# - macOS 14.1.2 (Sonoma)
#
# https://github.com/muhme/scripts
# hlu, Dec 15th 2023
# MIT license

# read standard input line by line from e.g.
#   201303240636.32 ./Evernote/Semantic Web/Live Microdata.md
#   201303172036.36 ./Evernote/Semantic Web/Best Practice Recipes for Publishing RDF Vocabularies.md
#   201303040627.21 ./Evernote/Semantic Web/Logic Calculator.md
while IFS= read -r line; do
    original_date="${line%% *}"
    file="${line#* }"
    touch -t "$(date -j -f "%Y%m%d%H%M.%S" "$original_date" +"%Y%m%d%H%M.%S")" "$file"
done