sed s/\"//g data1.txt
note that the normal format is sed s/old/new/g
one needs to use a \ character before certain special characters to keep them from being interpreted.
An example follows:
Code:
> cat data1.txt
"asdfa","fdgh","qwer"
> sed s/\"//g data1.txt
asdfa,fdgh,qwer
I want to remove the comma which is present within the double quoted string. All other commas which is present outside double quotes should be present.
Input : a,b,"cc,dd,ee",f,ii,"jj,kk",mmm
output : a,b,"ccddee",f,ii,"jjkk",mmm (3 Replies)
Hi Unix Gurus..
I am new to Unix. Please help me. The file I am getting is as follows:
Input File
"2011-07-06 03:53:23","0","I","NOT SET ",,,,"123985","SAW CUT CONCRETE SLAB 20"THICK",,"98.57","","EACH","N"
"2011-07-06 03:53:23","0","I","NOT SET ",,,,"204312","ARMAFLEX-1 3/8 X... (2 Replies)
I would like to know how to replace a space delimiter with a ^_ (\037) delimiter and a double quote delimiter while maintaining the spaces inside the double quotes. The double quote delimiter is only used on text fields.
I'd prefer a one-liner, but could handle a function or script that accepts... (4 Replies)
Hi,
I am little new to forum and new on unix side. I have a small issue below:
I am reading a file that has 5 columns something like below.
col1,col2,col3,col4,col5
Some records are having double quoted values something like below:
"value1","value2","value3","value4","value5"
I need... (8 Replies)
i have data as below
123,"paul phiri",paul@yahoo.com,"po.box 23, BT","Eco Bank,Blantyre,Malawi"
i need an output to be
123,"paul phiri",paul@yahoo.com,"po.box 23 BT","Eco Bank Blantyre Malawi" (5 Replies)
Hi All,
I'm unable to load the data using sql loader where there are double quotes within the double quotes As these are optionally enclosed by double quotes.
Sample Data :
"221100",138.00,"D","0019/1477","44012075","49938","49938/15043000","Television - 22" Refurbished - Airwave","Supply... (6 Replies)
I have file with are delimited by pipe(|) symbol, I wanted those to be removed except the ones which are enclosed in double quotes.
If your quote file is:
|Life is |Beautiful"|"Indeed life |is beautiful too|"|"But unix is fun| is not"|"
It should return:
Life is Beautiful"|"Indeed life is... (1 Reply)
I have file with are delimited by pipe(|) symbol, I wanted those to be removed except the ones which are enclosed in double quotes.
If your quote file is:
|Life is |Beautiful"|"Indeed life |is beautiful too|"|"But unix is fun| is not"|"
It should return:
Life is Beautiful"|"Indeed life is... (9 Replies)
How to remove Carriage Return (CRLF) within double quotes in a file. There are multiple CRLFs within double quotes. We are on Ubuntu 14.04.2 LTS.
The file that we are importing is a csv file from unix to windows and the file was formatted to unix2dos. Therefore all lines in the file all have... (12 Replies)
Hi,
I've a requirement like, in a csv file of 30+ fields where all the columns are having double quotes I need to remove the double quotes from certain fields and certain field should remain as it is.
Eg:... (6 Replies)
Discussion started by: Krishnanth S
6 Replies
LEARN ABOUT PHP
seek
seek(n) Tcl Built-In Commands seek(n)
__________________________________________________________________________________________________________________________________________________NAME
seek - Change the access position for an open channel
SYNOPSIS
seek channelId offset ?origin?
_________________________________________________________________DESCRIPTION
Changes the current access position for channelId.
ChannelId must be an identifier for an open channel such as a Tcl standard channel (stdin, stdout, or stderr), the return value from an
invocation of open or socket, or the result of a channel creation command provided by a Tcl extension.
The offset and origin arguments specify the position at which the next read or write will occur for channelId. Offset must be an integer
(which may be negative) and origin must be one of the following:
start The new access position will be offset bytes from the start of the underlying file or device.
current The new access position will be offset bytes from the current access position; a negative offset moves the access position back-
wards in the underlying file or device.
end The new access position will be offset bytes from the end of the file or device. A negative offset places the access position
before the end of file, and a positive offset places the access position after the end of file.
The origin argument defaults to start.
The command flushes all buffered output for the channel before the command returns, even if the channel is in nonblocking mode. It also
discards any buffered and unread input. This command returns an empty string. An error occurs if this command is applied to channels
whose underlying file or device does not support seeking.
Note that offset values are byte offsets, not character offsets. Both seek and tell operate in terms of bytes, not characters, unlike
read.
EXAMPLES
Read a file twice:
set f [open file.txt]
set data1 [read $f]
seek $f 0
set data2 [read $f]
close $f
# $data1 == $data2 if the file wasn't updated
Read the last 10 bytes from a file:
set f [open file.data]
# This is guaranteed to work with binary data but
# may fail with other encodings...
fconfigure $f -translation binary
seek $f -10 end
set data [read $f 10]
close $f
SEE ALSO
file(n), open(n), close(n), gets(n), tell(n), Tcl_StandardChannels(3)KEYWORDS
access position, file, seek
Tcl 8.1 seek(n)