touch
Signature
> touch (filename) ...rest --timestamp --date --reference --modified --access --no-create
Parameters
filename
: the path of the file you want to create...rest
: additional files to create--timestamp {string}
: change the file or directory time to a timestamp. Format: [[CC]YY]MMDDhhmm[.ss]If neither YY or CC is given, the current year will be assumed. If YY is specified, but CC is not, CC will be derived as follows: If YY is between [69, 99], CC is 19 If YY is between [00, 68], CC is 20 Note: It is expected that in a future version of this standard the default century inferred from a 2-digit year will change
--date {string}
: change the file or directory time to a date--reference {string}
: change the file or directory time to the time of the reference file/directory--modified
: change the modification time of the file or directory. If no timestamp, date or reference file/directory is given, the current time is used--access
: change the access time of the file or directory. If no timestamp, date or reference file/directory is given, the current time is used--no-create
: do not create the file if it does not exist
Examples
Creates "fixture.json"
> touch fixture.json
Creates files a, b and c
> touch a b c
Changes the last modified time of "fixture.json" to today's date
> touch -m fixture.json
Creates files d and e and set its last modified time to a timestamp
> touch -m -t 201908241230.30 d e
Changes the last modified time of files a, b and c to a date
> touch -m -d "yesterday" a b c
Changes the last modified time of file d and e to "fixture.json"'s last modified time
> touch -m -r fixture.json d e
Changes the last accessed time of "fixture.json" to a date
> touch -a -d "August 24, 2019; 12:30:30" fixture.json
Changes both last modified and accessed time of a, b and c to a timestamp only if they exist
> touch -c -t 201908241230.30 a b c