topmask
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topmask: version 2.231.418d045(2020-03-01 18:49) [CATs - Conversion And Analysis Tools]
Name
topmask
Synopsis
topmask [OPTIONS] [--] PARM MASK
Description
Print the names of atoms or residues selected by the application of MASK. Current implementation fully supports ambmask syntax (see AMBER manual).
Arguments
| PARM topology file name. If - is provided then topology is read from standard input stream.
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| MASK mask specification
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Options
| -c, --coords CRD optional coordinates in AMBER coordinate format, coordinates are mandatory for masks containing distance operators (: @)
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| -f, --maskfile read mask specification from the first line of the file of name MASK. This option is suitable for the specification of very long masks.
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| -r, --residues perform selection on the level of residues. The mask specification cannot contains atom selectors (@ @ @%).
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| -o, --output FORMAT specify output format. Default format 'cats' prints atoms or residues as the list sorted into three colums. Format 'list' prints the same information as 'cats' but only to a single colum without any header. Format 'number' prints only the number of selected atoms or residues. Format 'amber' provides the same output as ambmask. Format 'bmask' write bitmap mask. (Default: cats)
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| -v, --verbose increase output verbosity
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| --version output version information and exit
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| -h, --help display this help and exit
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