The command line in my previous email (found below) is from your website, my actual command line and the error message that appears is as follows: macbook-air-3:~ volumetry$ cd desktop macbook-air-3:desktop volumetry$ cd vbm-t1dm iain-wilkinsons-macbook-air-3:vbm-t1dm volumetry$ for g in HV115047.nii.gz HV115053.nii.gz HV115059.nii.gz HV115158.nii.gz HV115397.nii.gz HV115658.nii.gz HV115665.nii.gz HV116122.nii.gz HV116137.nii.gz HV116999.nii.gz HV118436.nii.gz HV119832.nii.gz HV119875.nii.gz \ NN115427.nii.gz NN115667.nii.gz NN117211.nii.gz NN117930.nii.gz NN117946.nii.gz NN118162.nii.gz NN118326.nii.gz NN118568.nii.gz NN118627.nii.gz NN119206.nii.gz NN120800.nii.gz NN120862.nii.gz NN121186.nii.gz \ P114320.nii.gz P114467.nii.gz P114547.nii.gz P114609.nii.gz P115013.nii.gz P115259.nii.gz P117214.nii.gz P117585.nii.gz P119627.nii.gz P119733.nii.gz P119873.nii.gz P121192.nii.gz P121317.nii.gz \ UP115148.nii.gz UP115394.nii.gz UP115413.nii.gz UP115523.nii.gz UP117318.nii.gz UP117410.nii.gz UP118102.nii.gz UP118117.nii.gz UP118128.nii.gz UP118318.nii.gz UP118872.nii.gz UP118887.nii.gz UP119867.nii.gz; do > echo $g > > template_list > done HV115047.nii.gz -bash: template_list: command not found HV115053.nii.gz -bash: template_list: command not found HV115059.nii.gz -bash: template_list: command not found HV115158.nii.gz -bash: template_list: command not found HV115397.nii.gz -bash: template_list: command not found HV115658.nii.gz -bash: template_list: command not found HV115665.nii.gz -bash: template_list: command not found HV116122.nii.gz -bash: template_list: command not found HV116137.nii.gz -bash: template_list: command not found HV116999.nii.gz -bash: template_list: command not found HV118436.nii.gz -bash: template_list: command not found HV119832.nii.gz -bash: template_list: command not found HV119875.nii.gz -bash: template_list: command not found NN115427.nii.gz -bash: template_list: command not found NN115667.nii.gz -bash: template_list: command not found NN117211.nii.gz -bash: template_list: command not found NN117930.nii.gz -bash: template_list: command not found NN117946.nii.gz -bash: template_list: command not found NN118162.nii.gz -bash: template_list: command not found NN118326.nii.gz -bash: template_list: command not found NN118568.nii.gz -bash: template_list: command not found NN118627.nii.gz -bash: template_list: command not found NN119206.nii.gz -bash: template_list: command not found NN120800.nii.gz -bash: template_list: command not found NN120862.nii.gz -bash: template_list: command not found NN121186.nii.gz -bash: template_list: command not found P114320.nii.gz -bash: template_list: command not found P114467.nii.gz -bash: template_list: command not found P114547.nii.gz -bash: template_list: command not found P114609.nii.gz -bash: template_list: command not found P115013.nii.gz -bash: template_list: command not found P115259.nii.gz -bash: template_list: command not found P117214.nii.gz -bash: template_list: command not found P117585.nii.gz -bash: template_list: command not found P119627.nii.gz -bash: template_list: command not found P119733.nii.gz -bash: template_list: command not found P119873.nii.gz -bash: template_list: command not found P121192.nii.gz -bash: template_list: command not found P121317.nii.gz -bash: template_list: command not found UP115148.nii.gz -bash: template_list: command not found UP115394.nii.gz -bash: template_list: command not found UP115413.nii.gz -bash: template_list: command not found UP115523.nii.gz -bash: template_list: command not found UP117318.nii.gz -bash: template_list: command not found UP117410.nii.gz -bash: template_list: command not found UP118102.nii.gz -bash: template_list: command not found UP118117.nii.gz -bash: template_list: command not found UP118128.nii.gz -bash: template_list: command not found UP118318.nii.gz -bash: template_list: command not found UP118872.nii.gz -bash: template_list: command not found UP118887.nii.gz -bash: template_list: command not found UP119867.nii.gz -bash: template_list: command not found macbook-air-3:vbm-t1dm volumetry$ I have tried it without the backslahes as suggested but it makes no difference. Please help Thank you for your time Michael Maxwell On 23 April 2012 14:13, Paul Robinson <[log in to unmask]> wrote: Hi, Michael. Is the backslash part of your list, or are you just showing us that the line continues? That's the only thing that doesn't look quite right to me. For a short list like this, you could also just open a text editor and out the name of each image on a separate line. Hth, Paul On Monday, April 23, 2012, Michael Maxwell <[log in to unmask]> wrote: > I'm following the instructions for VBM from your website but when entering the following command line: > > for g in CON_2304.nii.gz CON_2878.nii.gz CON_3456.nii.gz CON_4133.nii.gz CON_4690.nii.gz \ > PAT_2042.nii.gz PAT_2632.nii.gz PAT_3193.nii.gz PAT_4134.nii.gz PAT_6659.nii.gz; do > echo $g >> template_list > done > > it tells me: > > -bash: template_list: command not found > > What should I do? > > Thank you > > Michael Maxwell >