Often while writing shell scripts, we need to create files which can be distinguished from one another, what better way to do it other then times stamps.
below you will find a the bash variable to add to the name of you file.
Command
| Format / result | Command |
| YYYY-MM-DD | date -I |
| YYYY-MM-DD_hh:mm:ss | date +%F_%T |
| YYYYMMDD_hhmmss | date +%Y%m%d_%H%M%S |
| YYYYMMDD_hhmmss (UTC version) | date --utc +%Y%m%d_%H%M%SZ |
| YYYYMMDD_hhmmss (with local TZ) | date +%Y%m%d_%H%M%S%Z |
| YYYYMMSShhmmss | date +%Y%m%d%H%M%S |
| YYYYMMSShhmmssnnnnnnnnn | date +%Y%m%d%H%M%S%N |
| YYMMDD_hhmmss | date +%y%m%d_%H%M%S |
| Seconds since UNIX epoch | date +%s |
How to Use
now=$(date +%Y%m%d_%H%M%S)
fileName="file-${now}.ext"
