keyfunc.sh: Protect arguments to expr(1).
authorMark Wooding <mdw@distorted.org.uk>
Sat, 7 Jan 2012 02:08:18 +0000 (02:08 +0000)
committerMark Wooding <mdw@distorted.org.uk>
Sat, 7 Jan 2012 16:12:41 +0000 (16:12 +0000)
commit11c7b588618f2bddd4184def529c15d65cccefa4
tree1cf45ba7844bf869ae86950f4a127aaa50151d33
parentf0c3e6f655d97330ce7e7423c3c510b056982f45
keyfunc.sh: Protect arguments to expr(1).

Make sure they don't look like operators or functions.
keyfunc.sh.in