If i call a script say script1.sh and pass the input data delimiter, output delimiter, ColC and ColF as parameters,
it should only display data for those two columns and in the desired format
Note that we should be able to pass any number of column names to the script.
For our example i am using only 2 columns
I don't want to pass column position as parameter because the order of columns can change in the next data file
Code:
cat file1.txt | script1.sh "|" "," ColC ColF
Here "|" means it's the delimiter for the input data, "," is the delimiter to be used for output, the remaining parameters are the column names
The output should be:
Code:
k2,7
78,9
ad,0d
s9,i
It's okay not to print the column header in the output
Any help on how to write script1.sh is greatly appreciated
Thanks,
-srinivas y.
Moderator's Comments:
Please use code tags when posting data and code samples!
Last edited by vgersh99; 01-06-2012 at 04:00 PM..
Reason: code tags, please!
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LEARN ABOUT DEBIAN
psc
PSC(1) General Commands Manual PSC(1)NAME
psc - prepare sc files
SYNOPSIS
psc [-fLkrSPv] [-s cell] [-R n] [-C n] [-n n] [-d c]
DESCRIPTION
Psc is used to prepare data for input to the spreadsheet calculator sc(1). It accepts normal ascii data on standard input. Standard out-
put is a sc file. With no options, psc starts the spreadsheet in cell A0. Strings are right justified. All data on a line is entered on
the same row; new input lines cause the output row number to increment by one. The default delimiters are tab and space. The column for-
mats are set to one larger than the number of columns required to hold the largest value in the column.
OPTIONS -f Omit column width calculations. This option is for preparing data to be merged with an existing spreadsheet. If the option is not
specified, the column widths calculated for the data read by psc will override those already set in the existing spreadsheet.
-L Left justify strings.
-k Keep all delimiters. This option causes the output cell to change on each new delimiter encountered in the input stream. The
default action is to condense multiple delimiters to one, so that the cell only changes once per input data item.
-r Output the data by row first then column. For input consisting of a single column, this option will result in output of one row
with multiple columns instead of a single column spreadsheet.
-s cell
Start the top left corner of the spreadsheet in cell. For example, -s B33 will arrange the output data so that the spreadsheet
starts in column B, row 33.
-R n Increment by n on each new output row.
-C n Increment by n on each new output column.
-n n Output n rows before advancing to the next column. This option is used when the input is arranged in a single column and the
spreadsheet is to have multiple columns, each of which is to be length n.
-d c Use the single character c as the delimiter between input fields.
-P Plain numbers only. A field is a number only when there is no imbedded [-+eE].
-S All numbers are strings.
-v Print the version of psc
SEE ALSO sc(1)AUTHOR
Robert Bond
PSC 7.16 19 September 2002 PSC(1)
01-06-2012
