If the input CDROM is a file, check for the file.
authordata <data@a0fa61bc-5347-0410-a1a9-7f54aa4e1825>
Thu, 2 Feb 2006 07:14:54 +0000 (07:14 +0000)
committerdata <data@a0fa61bc-5347-0410-a1a9-7f54aa4e1825>
Thu, 2 Feb 2006 07:14:54 +0000 (07:14 +0000)
Added a new checkexec function, so that we can move those if <> then :; else to if checkexec .
Substituted all grep-q with grep>/dev/null since -q is not portable. Read man grep.

git-svn-id: http://abcde.googlecode.com/svn/trunk@195 a0fa61bc-5347-0410-a1a9-7f54aa4e1825


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