09-14-2013
Select the ranodm percent of the line in the data set
Hello ;
I have a file which has one column with 7200 ID. These line have been repeated for certain of these ID. for example, ID number 200 repeated 3 times, ID number 201 repeated 2 times and etc. How could I select 20% of the ID numbers randomly without repetition?
Regards
Sajjad
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LEARN ABOUT REDHAT
modinfo
MODINFO(8) Linux Module Support MODINFO(8)
NAME
modinfo - display information about a kernel module
SYNOPSIS
modinfo [ options ] <module_file>
DESCRIPTION
The modinfo utility examines the object file module_file associated with a kernel module and displays any information that it can glean.
OPTIONS
-a, --author
Display the module's author.
-d, --description
Display the module's description.
-fformat_string, --format format_string
Let the user specify an arbitrary format string which can extract values from the ELF section in module_file which contains the mod-
ule information. Replacements consist of a percent sign followed by a tag name in curly braces. A tagname of %{filename} is always
supported, even if the module has no modinfo section. %{kernel_version} shows the version of the kernel the module was compiled
for. %{using_checksums} expands to 1 is the module has versioned symbols and to 0 or <none> otherwise.
A tagname of %{parm} is special: the format string line is repeated for each known module parameter (which may be zero times) and
%{parm} is then replaced by descriptions of module parameters (one parameter on each repeated line).
Alternatively, %a, %d, %l, %n and %p can be used instead of %{author}, %{description}, %{filename}, %{license} and %{parm}, respec-
tively.
-h, --help
Display a summary of options and immediately exit.
-l, --license
Display the module's license.
-n, --filename
Display the module's filename.
-p, --parameters
Display the typed parameters that a module may support.
-V, --version
Display the version of modinfo.
If no options are supplied, the default is filename, description, author, license and parameters.
SEE ALSO
insmod(8), modprobe(8), depmod(8), rmmod(8), lsmod(8), ksyms(8), modules(2)
Linux March 19, 2002 MODINFO(8)