08-03-2009
Homework :(
1. You have a very large file, named 'ColMe', tab-delimited, you are asked to process. You are told that each line in 'ColMe' has 7 columns, and that the values in the 5th column are integers. Using shell functions (and standard LINUX/UNIX filters), indicate how you would verify that these conditions were satisfied in 'ColMe'. 2. In the same file, you are told that each value in column 1 is unique. How would you verify that?
3. Write a shell function that counts the number of occurrences of the word “SpecStr” in the file 'ColMe'.
4. Please show how you would do this in PERL, or related language.
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LEARN ABOUT DEBIAN
nwdiag
NWDIAG(1) General Commands Manual NWDIAG(1)
NAME
nwdiag - generate network-diagram image file from spec-text file.
SYNOPSIS
nwdiag [options] files
DESCRIPTION
This manual page documents briefly the nwdiag commands.
nwdiag is generate sequence-diagram image file from spec-text file.
OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is
included below. For a complete description, see the Info files.
-h, --help
show this help message and exit.
--version
show program's version number and exit.
-a, --antialias
Pass diagram image to anti-alias filter.
-c FILE, --config=FILE
read configurations from FILE.
-o FILE
write diagram to FILE.
-f FONT, --font=FONT
use FONT to draw diagram.
-T TYPE
Output diagram as TYPE format.
SEE ALSO
The programs are documented fully by
http://blockdiag.com/en/nwdiag/
AUTHOR
nwdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>
This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).
June 11, 2011 NWDIAG(1)