Dear all,
I understand that this is quite a basic question, but I think I need a
fresh set of eyes to figure out what¹s going on with gmx distance -select
syntax.
In my index file, I have 23 groups, two of which are ³ZINC² and ³CARBONYL²
Based on numerous mail archive suggestions and the gromacs website change
in tools page, I¹m using:
$CHEM/rungromacs505 gmx distance -n index.ndx -f umb_1_all.trr -s
umb_1_umb.tpr -oh umb_1_distance_hist.xvg -oall umb_1_distance.xvg -select
'com of group "ZINC" plus com of group "CARBONYL"'
Which kicks up the error:
Invalid command-line options
In command-line option -select
In keyword 'com'
required parameter 'of' not specified
invalid selection 'com'
In command-line option -select
syntax error
invalid selection 'group'
In command-line option -select
syntax error
invalid selection 'plus'
In command-line option -select
In keyword 'com'
required parameter 'of' not specified
invalid selection 'com'
In command-line option -select
syntax error
invalid selection 'group'
I¹d appreciate any suggestions. I¹ve also tried to do *something* via the
interactive command line (when -select is not supplied), but what it¹s
asking for is a bit cryptic.
Thanks
Anthony
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