Welcome to the forum. In the future please surround data with code tags so that we can read them easily, and do the same for scripts.
I added a few extra lines to exercise the sorting of fields. This script uses commands often found on *nix. The standard sort has an option for named months:
Producing:
I like your music, I hope you like my opus s1 . See man pages for details ... cheers, drl
i want sort columns with headers based on another file headers
file1
eg: i'm having an empty file with only coumn names like
lastname firstname title expirydate stlcno status etc...
another file with same column names and some other as well but in different order...
file2
eg:firstname... (2 Replies)
Hi ,
I have a dump of .csv files in a folder, I need to sort all files by the first 3 columns and merge them all in one big csv file.
I am using a cat command to join them, but how can i sort before appending all the files as one big file,
Regards,
Shruthi (4 Replies)
Hello,
I am facing the following problem:
I have a file in csv format. So several records where data fields are separated by comma ','
The lenght of the fields is variable, as well as the number of fields per record. But there are at least 7 fields per record.
I need to sort the file based... (1 Reply)
I have the following csv data that I would like to sort on the 4th field by date
from oldest to newest.
data:
,,,02/06/2012,Carry H,Add,Add,Sys_RTH,111.222.333.777
4/7/12,,,03/03/2013,Parry H,Add,Add,Sys_RTH,111.222.333.776
,,,12/06/2012,Harry H,Add,Add,Sys_RTH,111.222.333.778... (3 Replies)
hello, I have a large file (about 1gb) that is in a file similar to the following:
I want to make it so that I can put all the duplicates where column 3 (delimited by the commas) are shown on top. Meaning all people with the same age are listed at the top.
The command I used was ... (3 Replies)
I have a CSV with below values
name,city,2,country
name,city,15,country
abc,wq,10,afdfd,
qeqe,ewqre,1,wqew
I need to sort them in ascending order based on the value of column 3 and then , pick the rows with values less than 10 and be able to display the columns in that row. Can anyone... (11 Replies)
I have to sort the 4th column of an excel/csv file. I tried the following command
sort -u --field-separator=, --numeric-sort -k 2 -n dinesh.csv > test.csv
But, it's not working. Moreover, I have to do the same for more than 30 excel/csv file. So please help me to do the same. (6 Replies)
I have a csv file as shown below,
xop_thy 80 avr_njk 50 str_nyu 60
avr_irt 70 str_nhj 60 avr_ngt 50
str_tgt 80 xop_nmg 50 xop_nth 40
cyv_gty 40 cop_thl 40 vir_tyk 80
vir_plo 20 vir_thk 40 ijk_yuc 70
cop_thy 70 ijk_yuc 80 irt_hgt 80
I need to align/sort the csv file based... (7 Replies)
Discussion started by: dineshkumarsrk
7 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)