This prevents issues like variables being passed as 'something; rm -rf *'
It also gives some robustness to spaces in file paths
Also good practice to use -n for non-empty strings and -z for empty strings

This also brings parallelism for none-GPU machines

Added -species CUSTOM option to allow tractography in any species

See merge request fsl/xtract!15

Update Makefile

See merge request fsl/xtract!14

XTRACT stats

See merge request fsl/xtract!13

Refspace

See merge request fsl/xtract!12

Tract subsets

See merge request fsl/xtract!11

Added '-list' flag to show tract names. Added option to select a subset of the pre-defined tracts from either Human or Macaque - user provides structure file with tract names or tract names and nsamples. Small bug fixes

Update README.md

See merge request fsl/xtract!10

Update README.md

See merge request fsl/xtract!9

Update README.md

See merge request fsl/xtract!8

Changed order of fsl_sub -T and -q args to overcome fsl_sub queue selection issue

See merge request fsl/xtract!7

Patch 191119

See merge request fsl/xtract!6

Add option to pass probtrackx options as a text file

See merge request fsl/xtract!5

Adding ptx_options

See merge request fsl/xtract!4

Typo

See merge request fsl/xtract!3

Update Makefile - Added xtract_viewer to the scripts

See merge request fsl/xtract!2