المعرفة:: Regex
الحالة:: ملاحظة_مؤرشفة
المراجع:: https://stackoverflow.com/questions/31436357/how-to-extract-all-links-from-pdf-file
strings "somePDFfile.pdf" | grep http This works even better if you use pdftk to uncompress it first (credits: Ben Stern):
pdftk in.pdf cat output out.pdf uncompress; strings out.pdf | grep -i http