08-03-2011
Using awk to log transform a column in a tab-delimited text file?
How do I use awk to log transform the fifth column of a tab-delimited text file? Thanks!
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I have a file having the following entries:
test1 test2 test3
11 22 33
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---
I want to add a column so that the above file becomes:
test1 test2 test3 notest
11 22 33 *
22 44 66 *
99 99 44 *
---
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Hi,
Can anyone please tell me about how we can delete an entire column from a tab delimited file?
Mu input_file.txt looks like this:
And I want the output as:
I used the below code
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I have tried the following to no avail.
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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)