[task #15181] Libcurl for optimal download of only the necessary bytes

[Mohammad Akhlaghi]

Follow-up Comment #3, task #15181 (project gnuastro):

In the last comment, I forgot to give the value to the 'xdfurl' shell variable
(from the
[https://www.gnu.org/software/gnuastro/manual/html_node/Setup-and-data-download.html
general Gnuastro tutorial]). Here is the full command:


$ xdfurl=http://archive.stsci.edu/pub/hlsp/xdf
$ curl -kRL -r "$((0*80))-$((36*80-1))" --output header.txt
$xdfurl/hlsp_xdf_hst_wfc3ir-60mas_hudf_f105w_v1_sci.fits




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