Pull sequential line set from a file.

 


% cut_by_line --help 

Usage: cut_by_line list.all 173 196 list.dark64 
arg1 - Name of file to be cut from 
arg2 - First line number to be cut 
arg3 - Last line number to be cut 
arg4 - Name of the new (subset) file 

Example: 
% head -5 list.all
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014435.7_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014442.3_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014449.0_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014608.3_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014615.0_acm_sci.fits

% cut_by_line list.all 1 3 a
Cutiing file = list.all
See new file = a

% cat a
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014435.7_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014442.3_acm_sci.fits
/home/sco/HET_work/acm_nights/20170906/acm/20170906T014449.0_acm_sci.fits