c4b6bd13e1
Stored experimental in-development source files within the dev
subdirectory of the project, to make it easier for end-users to
know which shell scripts are ready for use.
103 lines
3.8 KiB
Bash
Executable File
103 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# DIRECTORY TIME FIX
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#
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# Copyright (c) 2023 Joshua Lee Ockert <torstenvl@gmail.com>
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#
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# THIS WORK IS PROVIDED "AS IS" WITH NO WARRANTY OF ANY KIND. THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY, FITNESS, NON-INFRINGEMENT, AND TITLE ARE
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# EXPRESSLY DISCLAIMED. NO AUTHOR SHALL BE LIABLE UNDER ANY THEORY OF LAW
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# FOR ANY DAMAGES OF ANY KIND RESULTING FROM THE USE OF THIS WORK.
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#
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# Permission to use, copy, modify, and/or distribute this work for any
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# purpose is hereby granted, provided this notice appears in all copies.
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############################################################################
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## FUNCTION TO PRINT USAGE INSTRUCTIONS ##
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############################################################################
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printusage() {
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echo "
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DIRECTORY TIME FIX
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USAGE
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dirtimefix.sh [--execute] <topdir> <minutes>
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DESCRIPTION
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For each directory in <topdir> with a modification time within the past
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<minutes> minutes, reset its modification time (via touch -r) to match
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the newest file it contains.
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OPTIONS
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--execute Actually reset modification times. By default, this program
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runs in test mode.
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"
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}
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############################################################################
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## PARSE & MAKE SENSE OF COMMAND LINE ##
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############################################################################
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# CHECK FOR THE EXECUTE FLAG (DEFAULT IS TESTING-ONLY MODE)
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REALLYRUN=0
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if [ "${1}" == "--execute" ]; then
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REALLYRUN=1
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shift
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fi
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EMTPYDIRS=""
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# MAKE SURE WE HAVE THE RIGHT NUMBER OF ARGUMENTS AND THEY'RE VALID
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if [ ! $# -eq 2 ]; then
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echo && echo "Wrong number of arguments!" && printusage && exit
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else
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topdir=$1
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minutes=$2
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if [ ! -d "${topdir}" ]; then
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echo && echo "${topdir} is not a directory!" && printusage && exit
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elif [[ ! "${minutes}" =~ ^[0-9]+$ ]]; then
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echo && echo "${minutes} is not a whole number of minutes!" && printusage && exit
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fi
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fi
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############################################################################
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## ADJUST MODIFICATION TIMES (OR NOT) ##
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############################################################################
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echo find "${topdir}" -type d -mtime -"${minutes}"m -d
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find "${topdir}" -type d -mtime -"${minutes}"m -d -print0 | while read -d $'\0' moddir
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do
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srchdir="${moddir}"
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newest=$(find "${srchdir}" \( -type d -or -type f \) -mtime +"${minutes}"m -mindepth 1 -maxdepth 1 -exec ls -td {} + | head -1)
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if [ "${newest}" == "" ]; then
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newest=$(find "${srchdir}/.." \( -type d -or -type f \) -mtime +"${minutes}"m -mindepth 1 -maxdepth 1 -exec ls -td {} + | head -1)
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if [ "${newest}" == "" ]; then
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newest=$(find "${srchdir}/../.." \( -type d -or -type f \) -mtime +"${minutes}"m -mindepth 1 -maxdepth 1 -exec ls -td {} + | head -1)
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if [ "${newest}" == "" ]; then
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newest=$(find "${srchdir}/../../.." \( -type d -or -type f \) -mtime +"${minutes}"m -mindepth 1 -maxdepth 1 -exec ls -td {} + | head -1)
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if [ "${newest}" == "" ]; then
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newest=$(find "${srchdir}/../../../.." \( -type d -or -type f \) -mtime +"${minutes}"m -mindepth 1 -maxdepth 1 -exec ls -td {} + | head -1)
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if [ "${newest}" == "" ]; then
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echo "EMPTY DIR AT ${moddir}! Could not find a file to borrow mtime from!"
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fi
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fi
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fi
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fi
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fi
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if [ ! "${newest}" == "" ]; then
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if [ $REALLYRUN -gt 0 ]; then
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echo "Setting mtime of \"${moddir}\" to mtime of \"${newest}\""
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touch -r "${newest}" "${moddir}"
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else
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echo "NOT setting mtime of \"${moddir}\" to mtime of \"${newest}\""
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fi
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fi
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done
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exit
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