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find, you can skip the temp file and use time strings directly with the-newerXYtest e.g.find . -type f -newermt yesterdayyesterdaywould refer to "this time yesterday" which may cause files modified before midnight to be returned.0works though...$ touch -d "$(date +%FT00:00:00)" /tmp/midnight touch: illegal option -- d usage: touch [-amc] [-t [[CC]YY]MMDDhhmm[.SS] | -r ref_file] file ...-dflag is a POSIX standard flag. Oh well, change that line totouch -t "$(date +%Y%m%d0000)" /tmp/midnight.