Usage: 3dAttribute [options] aname dset Prints (to stdout) the value of the attribute ‘aname’ from the header of dataset ‘dset’. If the attribute doesn’t exist, prints nothing and sets the exit status to 1.
Options:
-name = Include attribute name in printout
- -all = Print all attributes [don’t put aname on command line]
- Also implies ‘-name’. Attributes print in whatever order they are in the .HEAD file, one per line. You may want to do ‘3dAttribute -all elvis+orig | sort’ to get them in alphabetical order.
- -center = Center of volume in RAI coordinates.
Note that center is not itself an attribute in the.HEAD file. It is calculated from other attributes.
Special options for string attributes:
- -ssep SSEP Use string SSEP as a separator between strings for
- multiple sub-bricks. The default is ‘~’, which is what is used internally in AFNI’s .HEAD file. For tcsh, I recommend ‘ ‘ which makes parsing easy, assuming each individual string contains no spaces to begin with. Try -ssep ‘NUM’
- -sprep SPREP Use string SPREP to replace blank space in string
- attributes.
-quote Use single quote around each string. Examples:
3dAttribute -quote -ssep ‘ ‘ BRICK_LABS SomeStatDset+tlrc.BRIK 3dAttribute -quote -ssep ‘NUM’ -sprep ‘+’ BRICK_LABS SomeStatDset+tlrc.BRIK
++ Compile date = Dec 16 2015
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