X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=adu.ggo;h=8c23e3611f657ced1fca94635e2d82ff4faba490;hp=ab6e025a4ea2679f6dd75b4e1134df43a328569a;hb=e584cd6d5a3782ddeb6640f69534ab1664da2605;hpb=2cfa8c8aaa4662f44bc7e7cd4d3591ed6e1326bd diff --git a/adu.ggo b/adu.ggo index ab6e025..8c23e36 100644 --- a/adu.ggo +++ b/adu.ggo @@ -3,8 +3,7 @@ # Licensed under the GPL v2. For licencing details see COPYING. package "adu" -version "0.0.1" -purpose "advanced disk usage +purpose " adu creates a database containing disk usage statistics of a given directory. It allows to query that database to quickly retrieve @@ -25,7 +24,6 @@ details=" configuration file. As usual, if an option is given both at the command line and in the configuration file, the command line option takes precedence. - " option "database-dir" d @@ -50,25 +48,6 @@ details=" goes to stdout. Lower values mean more verbose logging. " -option "uid" u -#~~~~~~~~~~~~~ -"user id(s) to take into account" -string typestr="uid_spec" -optional -multiple -details=" - An uid specifier may be a single number, or a range of uids. - Example: - - --uid 42 # only consider uid 42 - --uid 42- # only consider uids greater or equal than 42 - --uid 23-42 # only consider uids between 23 and 42, inclusively. - - This option may be given multiple times. An uid is taken into - account if it satisfies at least one --uid option. -" - - option "paths" p #~~~~~~~~~~~~~~~ "files to take into account" @@ -89,9 +68,9 @@ section "Modes" defgroup "mode" #============== groupdesc=" - adu may started in one of two possible modes, each of which - corresponds to a different command line option. Exactly one - of these options must be given. + adu may be started in one of three possible modes, each of + which corresponds to a different command line option. Exactly + one of these options must be given. " required @@ -107,13 +86,27 @@ details=" that directory. " +groupoption "interactive" I +#~~~~~~~~~~~~~~~~~~~~~~~~~~ +"activate interactive mode" +group="mode" +details=" + In this mode, adu reads commands from stdin. This makes it + possible to run different select queries without opening the + underlying osl database for each query (which is expensive). + + In interactive mode, several subcommands are available, see + the end of this document. +" + groupoption "select" S #~~~~~~~~~~~~~~~~~~~~~ "query a database previously created with --create" group="mode" details=" - This option prints statistics about matching subdirectories to - stdout. The output depends on the other options, see below. + This option prints statistics about matching subdirectories + to stdout. The output can be customized by specifying select + options, see below. " ############################## @@ -125,39 +118,53 @@ option "base-dir" b "directory to traverse" string typestr="path" dependon="create" -required +optional details=" - The base directory to be traversed recursively. A warning - message is printed for each subdirectory that could not be - read because of insufficient permission. These directories - will be ignored when computing statistics. + The base directory to be traversed recursively. Must be + given if --create mode was selected. A warning message is + printed for each subdirectory that could not be read because + of insufficient permission. These directories will be ignored + when computing statistics. " +option "one-file-system" x +#~~~~~~~~~~~~~~~~~~~~~~~~~ +"do not dive into other file systems" +flag off +dependon="create" +details=" + Skip directories that are on different file systems from the + one that the argument being processed is on. +" + +option "hash-table-bits" - +#~~~~~~~~~~~~~~~~~~~~~~~~~ +"specify the size of the uid hash table" +int typestr="num" +dependon="create" +default="10" +optional +details=" + Use a hash table of size 2^num for the uid entries. If more than + 2^num different uids own at least one regular file under base-dir, + the command fails. Increase this value if you have more than 1024 + users. Decreasing the value causes adu to use slightly less memory. +" ############################## section "Options for --select" ############################## -option "limit" L -#~~~~~~~~~~~~~~~ -"Limit output" -int typestr="num" -required -dependon="select" -details=" - Only print num lines of output. -" - -option "units" U -#~~~~~~~~~~~~~~~ -"select numerical output format" -string typestr="format" +option "select-options" s +#~~~~~~~~~~~~~~~~~~~~~~~~~ +"Options for select mode" +string typestr="" optional +dependon="select" details=" - Print the number of files/directories and the sizes in - the given format. All sizes are output in these units: - (h)uman-readable, (b)ytes, (k)ilobytes, (m)egabytes, - (g)igabytes, (t)erabytes. Capitalise to use multiples - of 1000 (S.I.) instead of 1024. The default is \"h\", - i.e. human-readable. + This option takes a string whose content is another set of + options as described below. Select options may be specified + either directly in select mode, in which case you have use + quotes to prevent the select options from being interpreted + as adu options, or via the \"set\" command in interactive mode. "