summaryrefslogtreecommitdiffstats
path: root/scratch/bash-3.1/examples/functions/isvalidip
diff options
context:
space:
mode:
authorPete Travis <immanetize@fedoraproject.org>2014-09-26 14:42:22 -0600
committerPete Travis <immanetize@fedoraproject.org>2014-09-26 14:42:22 -0600
commit46c50fce0354d81d347a8055314a688fc8aa9f52 (patch)
treeb7f6c49e1225f949a9c21da6afa52fd04a2484fd /scratch/bash-3.1/examples/functions/isvalidip
parentfe5673aed2053463a7164ec5e7b609877340c0fa (diff)
downloadrpmbuild-obs-product.tar.gz
rpmbuild-obs-product.tar.xz
rpmbuild-obs-product.zip
bash sourcesobs-product
Diffstat (limited to 'scratch/bash-3.1/examples/functions/isvalidip')
-rw-r--r--scratch/bash-3.1/examples/functions/isvalidip14
1 files changed, 14 insertions, 0 deletions
diff --git a/scratch/bash-3.1/examples/functions/isvalidip b/scratch/bash-3.1/examples/functions/isvalidip
new file mode 100644
index 0000000..0b2dafe
--- /dev/null
+++ b/scratch/bash-3.1/examples/functions/isvalidip
@@ -0,0 +1,14 @@
+# Thanks to Chris F. A. Johnson <c.f.a.johnson@rogers.com> for this one
+is_validip()
+{
+ case "$*" in
+ ""|*[!0-9.]*|*[!0-9]) return 1 ;;
+ esac
+
+ local IFS=.
+ set -- $*
+
+ [ $# -eq 4 ] &&
+ [ ${1:-666} -le 255 ] && [ ${2:-666} -le 255 ] &&
+ [ ${3:-666} -le 255 ] && [ ${4:-666} -le 254 ]
+}