perl 解释器

源代码在线查看: dbe.1

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关键词: perl
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				.TH dbe 1 "ndbm(3) EDITOR"
				.SH NAME
				dbe \- Edit a ndbm(3) database
				.SH USAGE
				dbe  [-m r|w|rw] [-crtvx] -a|-d|-f|-F|-s [ []]
				.SH DESCRIPTION
				\fIdbme\fP operates on ndbm(3) databases.
				It can be used to create them, look at them or change them.
				When specifying the value of a key or the content of its associated entry,
				\\nnn, \\0, \\n, \\t, \\f and \\r are interpreted as usual.
				When displaying key/content pairs, non-printable characters are displayed
				using the \\nnn notation.
				.SH OPTIONS
				.IP -a
				List all entries in the database.
				.IP -c
				Create the database if it does not exist.
				.IP -d
				Delete the entry associated with the specified key.
				.IP -f
				Fetch and display the entry associated with the specified key.
				.IP -F
				Fetch and display all the entries whose key match the specified
				regular-expression
				.IP "-m r|w|rw"
				Open the database in read-only, write-only or read-write mode
				.IP -r
				Replace the entry associated with the specified key if it already exists.
				See option -s.
				.IP -s
				Store an entry under a specific key.
				An error occurs if the key already exists and the option -r was not specified.
				.IP -t
				Re-initialize the database before executing the command.
				.IP -v
				Verbose mode.
				Confirm stores and deletions.
				.IP -x
				If option -x is used with option -c, then if the database already exists,
				an error occurs.
				This can be used to implement a simple exclusive access locking mechanism.
				.SH SEE ALSO
				ndbm(3)
				.SH AUTHOR
				janick@bnr.ca
				
							

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