Are there any good crontab syntax checkers, or entry tools? [closed]

Are there any good crontab syntax checkers, or entry tools? [closed] Recently a user on one of our systems (linux Ubuntu, but any *nix would be the same) had a crontab file missing a terminating newline.
Asked by: Guest \| Views: 312

Total answers/comments: 2

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Guest [Entry]

I like the cron interface in webmin.

Guest [Entry]

"There is now CronSandbox.

This is a 'sandbox', somewhere safe to explore crontab commands. Enter the timing values, CronSandbox validates the syntax and delivers the future dates and times the job would execute."