Re: OT: bash parameter substitutions

2018-11-10 Thread Mike Wright
On 11/5/18 12:54 AM, Tom H wrote: On Mon, Nov 5, 2018 at 7:51 AM Mike Wright wrote: There is such a thing as too terse. Can somebody explain what this cryptic snippet means? | | parameter | parameter | parameter| | | Set and Not Null | Set B

Re: OT: bash parameter substitutions

2018-11-05 Thread Tom H
On Mon, Nov 5, 2018 at 7:51 AM Mike Wright wrote: > > There is such a thing as too terse. Can somebody explain what this > cryptic snippet means? I get the "substitute part; it's the > "error,exit" part that has me confounded. > > +--++---+--

Re: OT: bash parameter substitutions

2018-11-04 Thread Samuel Sieb
On 11/4/18 10:00 PM, Mike Wright wrote: There is such a thing as too terse.  Can somebody explain what this cryptic snippet means?  I get the "substitute part;  it's the "error,exit" part that has me confounded. My assumption is that it will print an error and abort the script. ___