How to only capute sub-matched character by grep
File content:<a href="ceph-0.80.9-82.1.x86_64.rpm"><img src="/icons/rpm.gif" alt="[ ]" width="16" height="16" /></a> <a href="ceph-0.80.9-82.1.x86_64.rpm">ceph-0.80.9-82.1.x86_64.rpm</a> 11-Jun-2015 16:379.9M <a href="ceph-0.80.9-82.1.x86_64.rpm.mirrorlist">Details</a>
<a href="ceph-common-0.80.9-82.1.x86_64.rpm"><img src="/icons/rpm.gif" alt="[ ]" width="16" height="16" /></a> <a href="ceph-common-0.80.9-82.1.x86_64.rpm">ceph-common-0.80.9-82.1.x86_64.rpm</a> 11-Jun-2015 16:373.9M <a href="ceph-common-0.80.9-82.1.x86_64.rpm.mirrorlist">Details</a>
<a href="ceph-common-debuginfo-0.80.9-82.1.x86_64.rpm"><img src="/icons/rpm.gif" alt="[ ]" width="16" height="16" /></a> <a href="ceph-common-debuginfo-0.80.9-82.1.x86_64.rpm">ceph-common-debuginfo-0.80.9-82.1.x86_64.rpm</a> 11-Jun-2015 16:37 49M <a href="ceph-common-debuginfo-0.80.9-82.1.x86_64.rpm.mirrorlist">Details</a>
......
Command:
grep -P -o ">\K[^ ]+?x86_64.rpm" <file name>
-P : perl format regular expression
-o : only matched content
\K : throw away content of before \K
Result:
xen-doc-html-4.4.2_06-3.1.x86_64.rpm
xen-kmp-default-4.4.2_06_k3.12.28_4-3.1.x86_64.rpm
xen-kmp-default-debuginfo-4.4.2_06_k3.12.28_4-3.1.x86_64.rpm
xen-libs-4.4.2_06-3.1.x86_64.rpm
xen-libs-debuginfo-4.4.2_06-3.1.x86_64.rpm
xen-tools-4.4.2_06-3.1.x86_64.rpm
xen-tools-debuginfo-4.4.2_06-3.1.x86_64.rpm
xen-tools-domU-4.4.2_06-3.1.x86_64.rpm
页:
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