Hi,
From some time, we have noticed that our ascii files have started corrupting due to the presence of some random control characters (^@, ^M, ^H, ^D). The characters appear randomly on any file after the process that creates the file finishes. If we rerun the process, the files re creates... (0 Replies)
I have a directory of files that look like filename 001.ext, filename 002.ext, etc. I'd like to rename the files with unique random numbered names, so that the original filenames are stripped and the files are given a new, random number name. I'm not super new to UNIX, but I don't often use it for... (2 Replies)
hello
i just seeking for a simple way to make a shuffle by block of words in a line. no matter shell (sh/bash) or perl
should be like this:
the message (which is line of some file) splits to packs (packs are random 5-10 words in each) then making a new line inserting those packs in a random... (9 Replies)
I have a text file with 1000 lines, I want to randomly select 200 lines from it and print them as output. How do I go about doing that? Thanks! (7 Replies)
I have two files containing hundreds of different sequences with the same Identifiers (ID-001, ID-002, etc.,), something like this:
Infile1:
ID-001 ATGGGAGCGGGGGCGTCTGCCTTGAGGGGAGAGAAGCTAGATACA
ID-002 ATGGGAGCGGGGGCGTCTGTTTTGAGGGGAGAGAAGCTAGATACA
ID-003... (18 Replies)
Is there any way to place each even column name infront of its odd column using awk or others?
input
Ab name MGH26 B04 MGH26 B05
output
name_Ab B04_MGH26 B05_MGH26 (4 Replies)
Hi Folks,
I have a text file with a thousand lines consisting of words or a group of words separated by commas.
I would like to randomize / shuffle the words on each line.
Eg; file.txt
Linux,Open,Free,Awesome,Best Things in Life,The Greatest
Laptop,PC,Tablet,Home Computers,Digital... (2 Replies)
Hi,
Is there any way I can shuffle the numbers randomly. I have been trying to google and I found lots of 'generator' but is it possible to find the background logic to create randomness?
Thanks, (3 Replies)
Discussion started by: Indra2011
3 Replies
LEARN ABOUT DEBIAN
ptrepack
PTREPACK(1) General Commands Manual PTREPACK(1)NAME
ptrepack - Copy any PyTables Leaf, Group or complete subtree into another file.
SYNOPSIS
ptrepack -h-v-o -R start,stop,step --non-recursive --dest-title=title --dont-copyuser-attrs --overwrite-nodes --complevel=(0-9) --com-
plib=lib --shuffle=(0|1) --fletcher32=(0|1) --keep-source-filters--upgrade-flavors--dont-regenerate-old-indexes sourcefile:sourcegroup
destfile:destgroup
DESCRIPTION
Copy any Leaf, Group or complete subtree from a PyTables file into another file.
OPTIONS
A summary of options is included below.
-h Prints a help text.
-v Show more information.
-o Overwite destination file.
-R RANGE
Select a RANGE of rows in the form start,stop,step during the copy of all the leaves.
--non-recursive
Do not do a recursive copy. Default is to do it.
--dest-title=title
Title for the new file (if not specified, the source is copied).
--dont-copy-userattrs
Do not copy the user attrs (default is to do it).
--overwrite-nodes
Overwrite destination nodes if they exist. Default is not to overwrite them.
--complevel=(0-9)
Set a compression level (0 for no compression, which is the default).
--complib=lib
Set the compression library to be used during the copy. lib can be set to "zlib", "lzo", "ucl" or "bzip2". Defaults to "zlib".
--shuffle=(0|1)
Activate or not the shuffling filter (default is active if complevel>0).
--fletcher32=(0|1)
Whether to activate or not the fletcher32 filter (not active by default).
--keep-source-filters
Use the original filters in source files. The default is not doing that if any of --complevel, --complib, --shuffle or --fletcher32
option is specified.
--upgrade-flavors
When repacking PyTables 1.x files, the flavor of leaves will be unset. With this, such a leaves will be serialized as objects with
the internal flavor ("numpy" for 2.x series).
--dont-regenerate-old-indexes
Disable regenerating old indexes. The default is to regenerate old indexes as they are found.
SEE ALSO ptdump(1).
These utilities are documented fully by PyTables user's manual.
AUTHOR
This manual page was written by Francesc Altet <faltet@carabos.com>.
July 7, 2007 PTREPACK(1)