Fix timestamps for macOS Photos export

adjust_ts.awk

BEGIN {
    n = split("January:February:March:April:May:June:July:August:September:October:November:December",months,":")
    for (i=0;i<n;++i) {
        rmonth[months[i+1]] = i+1
    }
    FS = " |/"
}

# Directory in format "[Event], yyyy month dd" or "yyyy month dd"

/[12][0-9][0-9][0-9]$/ {
    yy = $NF
    mm = $(NF-1)
    dd = $(NF-2)
    cmd = sprintf("touch -t %d%02d%02d1200 \"%s\"",yy,rmonth[mm],dd,$0)
    print $0 " >> " cmd
    system(cmd)
}