Can someone explain what this does step by step? I found this script on stackoverflow and want to customize it for personal use in downloading jpg images from a website.
Code:
# get all pages
curl 'http://domain.com/id/[1-151468]' -o '#1.html'
# get all images
grep -oh 'http://pics.domain.com/pics/original/.*jpg' *.html >urls.txt
# download all images
sort -u urls.txt | wget -i-
1. What I think the first like does is download the pages of domain with curl but what does the '#1.html' mean?
2. Why in .*jpg is the * after the '.'? Also what is this trying to do? I attempted altering this using a different website but there's an error grep: *.html: No such file or directory even though the first command is downloading the html files just fine.
3. I think the third option is just organizing the results and wget goes to the jpg's website and downloads the jpgs.
Moderator's Comments:
Code tags for code, please.
Last edited by Corona688; 04-29-2014 at 06:47 PM..
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Discussion started by: pinnacle
9 Replies
LEARN ABOUT OSX
igrep
IGREP(1) General Commands Manual IGREP(1)NAME
igrep - search images for matching metadata
SYNOPSIS
igrep [options] pattern files...
DESCRIPTION
The igrep utility is invoked as follows:
igrep [options] pattern filename...
Where pattern is a POSIX.2 regular expression (just like the Unix/Linux grep(1) command), and filename (and any following names) specify
images or directories that should be searched. An image file will "match" if any of its metadata contains values contain substring that are
recognized regular expression. The image files may be of any format recognized by OpenImageIO (i.e., for which ImageInput plugins are
available).
Example:
$ igrep Jack *.jpg
bar.jpg: Keywords = Carly; Jack
foo.jpg: Keywords = Jack
test7.jpg: ImageDescription = Jack on vacation
For a complete description, see /usr/share/doc/libopenimageio-dev/openimageio.pdf.gz.
OPTIONS --help Print help message
-i Ignore upper/lower case distinctions
-v Invert match (select non-matching files)
-E Pattern is an extended regular expression
-f Match against file name as well as metadata
-l List the matching files (no detail)
-r Recurse into directories
-d Print directories (when recursive)
-a Search all subimages of each file
SEE ALSO
iconvert(1), idiff(1), iinfo(1), iprocess(1), iv(1), maketx(1), oiiotool(1).
AUTHOR
OpenImageIO was written by Larry Gritz and the other authors and contributors.
This manual page was written by IRIE Shinsuke <irieshinsuke@yahoo.co.jp>, for the Debian project (and may be used by others).
May 19, 2012 IGREP(1)
04-29-2014
