Hello!!
I have the text file with following format...
--SubTotal-----------------------------------0--161---------------44---13739369-67---
--SubTotal-----------------------------------0--147---------------0----49643---1----... (2 Replies)
Hi,
In ksh, I have a file with similar rows as follows:
Department = 1234 G/L Asset Acct No = 12.0000. 2/29/2008
Department = 1234 G/L Asset Acct No = 13.0000. 3/29/2008.
I want to create a new text file that contains only the numbers and date:
1234 12.0000. 2/29/2008
1234 13.0000. ... (16 Replies)
I have huge fixed width, text file in unix box and I need to extract columns found between the width 105 and 200 and output it to a new file.
Can anyone tell me how to extract it?
Thanks for your help. (1 Reply)
Hi All,
I have 2 issues while working with file.
1. I have 2 delimited(~) files. I want to extract column numbner 3 from file1 and column number 8 from file2 and paste it into file3. I have tried using cut, but not able to get answer.
2. i have 2 filxed-width file. I wanted to do same... (1 Reply)
Hi experts,Please help me for the below requirement.i have a source file.(lets say contains 50 columns). I am extarcting five columns from the source file by using pattern file.for exampleinput file:--------a,b,c,d,"a,g","v b",s,koutputfile=======a,"a,g","v b",s,kThanks in advancesubhendu (1 Reply)
Hi
I have a file of the form
name1,lastname1,email1@gmail.com,9.08243E+12,team1,role1,username1,password1
name2,lastname2,email2@gmail.com,9.08243E+11,team2,role2,username2,password2
I need to extract the email (column 3) and send a mail to each person, with their details ( specifically... (3 Replies)
hello,
i have publicly available txt file with little less than 300000 rows. i want to extract from column 1 to column 218 and save it in another text file. i use the cut command but the file is saved with multiple rows from the source file onto a single row in the destination. basically it is... (6 Replies)
Dear all,
I want to extract around 300 columns from a very large file with almost 2million columns. There are no headers, but I can find out which column numbers I want. I know I can extract with the function 'cut -f2' for example just the second column but how do I do this for such a large... (1 Reply)
I have a comma delimited file as per the one below and I am currently extracting the values in 2 columns (COL1 & COL6) to produce a smaller trimmed down version of the file which only contains the columns we need;
COL1,COL2,COL3,COL4,COL5,COL6,COL7,COL8,COL9... (1 Reply)
Kindly help merging information from two files with the following data structure.
I want to match for the CHR-SNP in Foo and get the columns that match from CHROM-rsID
Fields 1 & 2 of foo may have duplicates, however, a joint key of Fields $1$2$3$4 is unique.
Also would be helpful to clean up... (4 Replies)
Discussion started by: genehunter
4 Replies
LEARN ABOUT REDHAT
csv
csv(n) CSV processing csv(n)
NAME
csv - Procedures to handle CSV data.
SYNOPSIS
package require Tcl 8.3
package require csv ?0.3?
::csv::join values {sepChar ,}
::csv::joinlist values {sepChar ,}
::csv::read2matrix chan m {sepChar ,} {expand none}
::csv::read2queue chan q {sepChar ,}
::csv::report cmd matrix ?chan?
::csv::split line {sepChar ,}
::csv::split2matrix m line {sepChar ,} {expand none}
::csv::split2queue q line {sepChar ,}
::csv::writematrix m chan {sepChar ,}
::csv::writequeue q chan {sepChar ,}
DESCRIPTION
The csv package provides commands to manipulate information in CSV FORMAT (CSV = Comma Separated Values).
COMMANDS
The following commands are available:
::csv::join values {sepChar ,}
Takes a list of values and returns a string in CSV format containing these values. The separator character can be defined by the
caller, but this is optional. The default is ",".
::csv::joinlist values {sepChar ,}
Takes a list of lists of values and returns a string in CSV format containing these values. The separator character can be defined
by the caller, but this is optional. The default is ",". Each element of the outer list is considered a record, these are separated
by newlines in the result. The elements of each record are formatted as usual (via ::csv::join).
::csv::read2matrix chan m {sepChar ,} {expand none}
A wrapper around ::csv::split2matrix (see below) reading CSV-formatted lines from the specified channel (until EOF) and adding them
to the given matrix. For an explanation of the expand argument see ::csv::split2matrix.
::csv::read2queue chan q {sepChar ,}
A wrapper around ::csv::split2queue (see below) reading CSV-formatted lines from the specified channel (until EOF) and adding them
to the given queue.
::csv::report cmd matrix ?chan?
A report command which can be used by the matrix methods format 2string and format 2chan. For the latter this command delegates the
work to ::csv::writematrix. cmd is expected to be either printmatrix or printmatrix2channel. The channel argument, chan, has to be
present for the latter and must not be present for the first.
::csv::split line {sepChar ,}
converts a line in CSV format into a list of the values contained in the line. The character used to separate the values from each
other can be defined by the caller, via sepChar, but this is optional. The default is ",".
::csv::split2matrix m line {sepChar ,} {expand none}
The same as ::csv::split, but appends the resulting list as a new row to the matrix m, using the method add row. The expansion mode
specified via expand determines how the command handles a matrix with less columns than contained in line. The allowed modes are:
none This is the default mode. In this mode it is the responsibility of the caller to ensure that the matrix has enough columns to
contain the full line. If there are not enough columns the list of values is silently truncated at the end to fit.
empty In this mode the command expands an empty matrix to hold all columns of the specified line, but goes no further. The overall
effect is that the first of a series of lines determines the number of columns in the matrix and all following lines are
truncated to that size, as if mode none was set.
auto In this mode the command expands the matrix as needed to hold all columns contained in line. The overall effect is that after
adding a series of lines the matrix will have enough columns to hold all columns of the longest line encountered so far.
::csv::split2queue q line {sepChar ,}
The same as ::csv::split, but appending the resulting list as a single item to the queue q, using the method put.
::csv::writematrix m chan {sepChar ,}
A wrapper around ::csv::join taking all rows in the matrix m and writing them CSV formatted into the channel chan.
::csv::writequeue q chan {sepChar ,}
A wrapper around ::csv::join taking all items in the queue q (assumes that they are lists) and writing them CSV formatted into the
channel chan.
FORMAT
Each record of a csv file (comma-separated values, as exported e.g. by Excel) is a set of ASCII values separated by ",". For other lan-
guages it may be ";" however, although this is not important for this case (The functions provided here allow any separator character).
If a value contains itself the separator ",", then it (the value) is put between "".
If a value contains ", it is replaced by "".
EXAMPLE
The record
123,"123,521.2","Mary says ""Hello, I am Mary"""
is parsed as follows:
a) 123
b) 123,521.2
c) Mary says "Hello, I am Mary"
SEE ALSO
matrix, queue
KEYWORDS
csv, matrix, queue, package, tcllib
csv 0.3 csv(n)