10-01-2007
Unix/Linux Scripts questions
Hi All,
You have a very large file, named 'ColCheckMe', tab-delimited, that you are asked to process. You are told that each line in 'ColCheckMe' 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 'ColCheckMe'
In the same file, you are told that each value in column 1 is unique. How would you verify that?
Write a shell function that counts the number of occurrences of the word “SpecStr” in the file 'ColCheckMe'.
Please advice.
Thanks much.
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LEARN ABOUT DEBIAN
stag-flatten
STAG-FLATTEN(1p) User Contributed Perl Documentation STAG-FLATTEN(1p)
NAME
stag-flatten - turns stag data into a flat table
SYNOPSIS
stag-flatten -c name -c person/name dept MyFile.xml
DESCRIPTION
reads in a file in a stag format, and 'flattens' it to a tab-delimited table format. given this data:
(company
(dept
(name "special-operations")
(person
(name "james-bond"))
(person
(name "fred"))))
the above command will return a two column table
special-operations james-bond
special-operations fred
If there are multiple values for the columns within the node, then the cartesian product will be calculated
USAGE
stag-flatten [-p PARSER] [-c COLS] [-c COLS] NODE <file>
ARGUMENTS
-p|parser FORMAT
FORMAT is one of xml, sxpr or itext
xml assumed as default
-c|column COL1,COL2,COL3,..
the name of the columns/elements to write out
this can be specified either with multiple -c arguments, or with a comma-seperated (no spaces) list of column (terminal node) names
after a single -c
-n|nest
if set, then the output will be a compress repeating values into the same row; each cell in the table will be enclosed by {}, and will
contain a comma-delimited set of values
SEE ALSO
Data::Stag
perl v5.10.0 2008-12-23 STAG-FLATTEN(1p)