[Info-vax] Unix and DCL shells

[Arne Vajhøj]

On 1/8/2024 4:41 PM, mjos_examine wrote:
> there could be a VMSBASH foreign command, where you could utilize the 
> DECK command, like so:
>      $ VMSBASH
>      $ DECK
>      if ! test -f /path/to/file; then
>      echo "File does not exist."
>      fi
>      $ EOD
> 
> You could (in theory) place any arbitrary bash script, for 
> interpretation and execution by a VMSBASH foreign command that expects 
> to operate in that way, between $DECK and $EOD.
> 
> The command preceding the DECK command could function somewhat like the 
> niche of #!/bin/bash on UNIX for specifying the desired interpreter for 
> the arbitrary syntax that is between $DECK and $EOD.

bash is part of the GNV kit. And it works fine with deck & eod, but
if no bash commands start with $ then deck + eod should not be needed.

This works fine:

$ bash
for i in {1..3}
do
echo $i
done
$
$ bash
$ deck
for i in {1..3}
do
echo $i
done
$ eod
$ exit

Output:

1
2
3
1
2
3

Arne