This is the command vl that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
vl - list version information
SYNOPSIS
vl [ version binding options ] [ options ] [ names .. ]
vlog[ version binding options ] [ options ] [ names .. ]
Options: [ -?1aAcCdFghlLOqQrRStuvx ] [ -help ] [ -all ] [ -attr attribute ] [ -cache ]
[ -expand (or -xpon) ] [ -fast ] [ -format format string ] [ -intent ]
[ -locked ] [ -locker ] [ -log ] [ -noexpand (or -xpoff) ]
[ -p all|attribute name ] [ -version ]
DESCRIPTION
vl prints various information about an AtFS object repository. While its main operation
is to list the contents of an object repository in a manner similar to ls(1), vl knows
about many options that extract additional information about individual versions or
version histories.
If vl is invoked without any name arguments, it simply prints the contents of the object
repository, including files (busy versions) and directories in the current directory.
Version objects in the object repository are represented as filenames with a bracketed
version identification extension. Generally, vl tries to give the illusion, as were all
the versions in the object repository regular files in the current directory. While busy
versions - which are regular files - may be manipulated by all commands and tools that
operate on files, version objects can only be manipulated by special tools (ShapeTools)
that operate on the object repository. The tools that operate on the object repository,
however, can also access regular files because these are also part of the object
repository.
With the -h option given, vl prints out one information item per history rather than per
version. Default output in this case is a list of history and directory names with the
range(s) of available versions following in brackets.
If filenames are given as arguments to vl, similarly to ls(1) only information about these
object histories will be printed. Object names may also be given in bound version
notation, i.e. a notation that identifies a particular version of an object (e.g.
mkattr.c[2.4]). It is also possible to use a previously assigned symbolic name rather than
a numerical version identification (e.g. mkattr.c[tools-V4R3]). Make sure to escape the
bracket symbols as these usually have meaning to the shell. For further version binding
possibilities (the version binding options) see the vbind(1) manual page.
The program vlog prints the log-entry for specified objects. Log-entries usually describe
the reason for a particular change to the design object that led to the creation of the
specified revision(s).
OPTIONS
All options also available in the ls(1) programs are marked on the following list.
-?, -help
Print short information about usage of this command.
-1 (ls)
Force single column output.
-a (ls)
List all entries, even those with a name beginning with a '.' and the 'AtFS'
entry. This option is default when vl is called by the super user.
-all List all available information.
-attr attribute
Print only information about objects that have the specified attribute with the
given values. The attribute value match is done without attribute expansion, even
if -expand is set. attribute may also be a standard attribute. For a complete list
of standard attributes names see the vadm(1) manual page.
-A (ls)
Same as -a, but '.', '..', and 'AtFS' are not listed.
-c (ls)
Sort the list of printed entries by the time of last status change.
-cache List entries from the derived object cache too.
-C (ls)
Force multi column output. This is default when printing just the entry names (no
-l and no -p option) and output goes to a terminal.
-d (ls)
With a directory name given as argument, list the directory itself rather than its
contents.
-expand, -xpon
Expand attribute values before printing. Attribute values may contain citations of
other attributes, or they may start with a special character ('^', '!' or '*')
indicating that they need some kind of processing to determine the real attribute
value (see vattr(1) for details). With the -expand option given, all citations
will be evaluated and the attribute will be evaluated if necessary.
-fast Fast operation. Suppresses reader/writer synchronisation on AtFS archive files and
ignores non-standard attributes. In combination with -h (histories), a short
output is generated, that lists only the names of all histories and not their
version ranges.
-format format string
Specify custom-format for information printed about objects. This is a simple
report generation facility for the shapeTools toolkit. The format string can be
any string, but typically contains attribute citations (see retrv). As shapeTools
attribute citations use a syntax that contains dollar-characters, it is advisable,
to specify format strings in single-quotes to prevent shell from trying to apply
variable substitution.
Format strings can contain simple layout specifications (`\n' for newline
characters, and `\t' for tabs. `\\' is a single backslash.)
The format of the output of vl -l could for example be specified as follows:
vl -format ´$__mode$ $__state$$__author$ \
$__size$ $__mtime$ $__self$\n´
While the example only illustrates use of standard attributes, it is in fact
possible to use any object attribute (i.e. user-defined attributes) in the format
specification.
-F (ls)
Append a symbolic file type character to each name. Directories are marked with a
`/', sockets with a `=', symbolic links with a `@', executable files with `*', and
derived objects with a `$'. If the file is locked a `^' is additionally appended.
-g (ls)
Print the group of the entry owner (...) .
-h Print histories instead of versions. All versions with the same name are folded
together to one printed entry. All version binding options (see vbind(1)) are
ignored, when displaying histories.
-intent
Print message of intention for change. An intention message can be set while
retrieving a version using retrv with option -lock.
-l (ls)
List in long format, giving mode, version state, author, size in bytes, the save
date, and version identification. For busy versions the date field will contain
the time of last modification rather than the save date. The status of a version
is printed as: b for busy, s for saved, p for proposed, P for published, a for
accessed, f for frozen, and $ for derived.
-lll Same as -l -locked -locker.
-locked
Print only locked versions.
-locker
Print the locker instead of the author and last locking date instead of last
modification or save date.
-log Print the log entry for each version.
-L (ls)
Follow symbolic links. If a given name is a symbolic link, list the object
referenced by the link rather than the link itself.
-noexpand, -xpoff
Do not expand attribute values. This is the default, except when the -format
option is set. Check -expand or vattr(1) for more information on attribute
expansion.
-O Print the version owner instead of the author.
-p "all" | attribute name
Print the value of the given attribute. With the string 'all' given as argument to
the -p option, print all non standard attributes.
-q (ls)
Replace all non graphic character by '?' before printing. This is the default when
output goes to a terminal.
-Q Quiet Flag. Suppress any output to standard output. Only error messages will be
printed to standard error.
-r (ls)
Reverse the order of the entries printed.
-R (ls)
Operate recursively visiting all subdirectories encountered.
-S Print version states verbosely.
-t (ls)
Sort the list of printed entries by the modification time.
-u (ls)
Sort the list of printed entries by time of last access.
-U Show user identifications as user@domain rather than just the user name.
-v Print versions. This is the default (counterpart to
-version
Print only the version identification of this program.
-x (ls)
Do multi-column output with the entries sorted across rather than down the page.
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