On Thu, Aug 31, 2017 at 06:52:28AM +0100, Jonathan de Boyne Pollard wrote: > James H. H. Lampert: > > > Could it be that |cron| is running it an entirely different shell, that > > doesn't understand the |if| statement? > > > Despite what others have said, the answer to this question is no. Whilst > you /are/ running two different shells, the problem is not the |if| > statement.
The if statement that he actually *showed* was POSIX-compatible, yes. But he later said that changing the shebang fixed his problem, so there was some other part of his script that was bash-specific.