09-16-2011
How to change value in CSV columns and compare two files where Column1 is identical
Hi all,
Could someone help me with the following issue:
1st
I have an CSV file delimiter is ";" I I have a column 7 where I need to do some multiple mathem. operation, I need all values in this columns to be multiplied by 1.5 and create a new CSV file with the replaced values.
2nd.
I have 2 CSV files which have the same number or rows the 1 row is identical in both but the 6th column change in the second, how can I copy this new value from the first csv to the second.
I Suppose that awk should handle this, could you give me some tips, how can I accomplish this tasks.
Thank you in advance.
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LEARN ABOUT DEBIAN
portabase
PORTABASE(1) General Commands Manual PORTABASE(1)
NAME
portabase - an easy-to-use personal database application
SYNOPSIS
portabase [ -h | --help | <file> ]
portabase command [ -p password ] [ options ] <fromfile> <tofile>
DESCRIPTION
PortaBase (portable database) is a personal database application that is available for many platforms, including Linux, Mac OS X, Windows,
and Maemo.
PortaBase's features include:
- One data table per file
- String, Integer, Decimal, Boolean, Note (multi-line text), Date,
Time, Calculation, Sequence, Image, and Enum column types
- Add, edit, and delete rows of data
- Custom data views (subsets of the columns in any order)
- Filter the displayed rows using sets of conditions
- Sort the rows by any combination of columns, each in ascending or
descending order
- Optional page navigation buttons, with a custom number of rows per page
- Add, delete, rearrange, and rename columns at any time
- Specify default values for columns
- View summary statistics for columns (total, average, min, max, etc.)
- Import data from CSV, XML, and MobileDB files
- Export data to CSV and XML files
- Command-line format conversions (to and from XML, from MobileDB)
- Data file encryption
- Unicode support
- Pick any available font to use throughout the application
COMMANDS
PortaBase uses the following commands to indicate a command-line file conversion:
fromxml
Create a new PortaBase file from the input XML file.
frommobiledb
Create a new PortaBase file from the input MobileDB file.
fromcsv
Add rows to an existing PortaBase file from the input CSV file.
toxml Create a new XML file from the input PortaBase file.
tocsv Create a new CSV file from the input PortaBase file.
If an encrypted PortaBase file is to be read or created, the following option can be used immediately after the command:
-p <password>
Open or create the encrypted PortaBase file using the given password
The toxml and tocsv commands accept the following options:
-v <view>
Apply the named view before exporting.
-s <sorting>
Apply the named sorting before exporting.
-f <filter>
Apply the named filter before exporting.
The fromcsv command supports one option:
-e <encoding>
Specifies the text encoding of the imported CSV file; options are UTF-8 (the default) and Latin-1.
OPTIONS
PortaBase accepts the following options:
-h, --help
Display usage instructions.
FILES
$HOME/.qt/portabaserc - user-specific settings. Stores information on font, checkbox editing, delete confirmations, etc.
AUTHOR
This manual page was written by Jeremy Bowman <jmbowman@alum.mit.edu>, for the Debian GNU/Linux system (but may be used by others).
April 16, 2010 PORTABASE(1)