Please give us a few lines from inputfile and provide the desired output as well. It isn't obvious whether you're asking us to change a + to a - and a - to a + or if you want us to insert or remove a -. We also need to see if you're counting from 0 or from 1.
---------- Post updated at 15:13 ---------- Previous update was at 14:30 ----------
Hello,
I have a 1.6 GB file that I would like to modify by matching some ids in col1 with the ids in col 1 of file2.txt and save the results into a 3rd file.
For example:
File 1 has 1411 rows, I ignore how many columns it has (thousands)
File 2 has 311 rows, 1 column
Would like to... (7 Replies)
I have file with multiple columns. Column values for a record may be same.
Now i have to replace a column value(this can be same for the other columns) with new value.
File.txt
A,B,C,D,A,B,C,D,A,B,C,D
A,B,C,D,A,B,C,D,A,B,C,D
A,B,C,D,A,B,C,D,A,B,C,D
A,B,C,D,A,B,C,D,A,B,C,D... (1 Reply)
Hi Friends,
This is the only solution to my task. So, any help is highly appreciated.
I have a file
cat input1.bed
chr1 100 200 abc
chr1 120 300 def
chr1 145 226 ghi
chr2 567 600 unix
Now, I have another file by name
input2.bed (This file is a binary file not readable by the... (7 Replies)
Hi,
I am a newbie to awk. Here is my problem. Looking for an awk 1-liner to solve it:
My Computing Environment:
- Solaris10
- I prefer to use csh or sh shells
1. Lets say my input file is File1.dat (delimter = | ) and looks as follows:
(File1.dat)
... (1 Reply)
Hello,
I want to Replace/Remove ^M and the new line that follows it in a delimited file.
So far I have tried following and nothing seems to work for me .
Tr –d ‘\r\n’ < old.dat > new.dat -removes all the linefeed, not just the ones after a ^M.
Sed ‘/^M$/{N; s/.\n//;}’ < old.dat >... (7 Replies)
I have a file like this.
It is tab delimited.
Unfortunately, the missing data was filled in with a period "." (see the leading lines 1-5 columns)
I want to substitute the periods for misisng data with an integer "-999".
however, I do not want the global replace to change the other periods seen... (7 Replies)
Hi,
I have the requirement similar to the one mentioned in the below thread.
https://www.unix.com/unix-for-dummies-questions-and-answers/128155-search-replace-string-only-particular-column-delimited-file.html
The only difference is that I need to change the field for row 1,2 and the last... (14 Replies)
Hi all,
I am fairly new to UNIX and I was wondering if you could provide me with some help! Lets say i have a file as below :
Line 1
Line 2
Line 3
ABC|12|4|2
Now the number 4 in bold, this number will represent the number of row there is in the file excluding the header and footer... (10 Replies)
I have an input file as below
Emp1|FirstName|MiddleName|LastName|Address|Pincode|PhoneNumber
1234|FirstName1|MiddleName2|LastName3| Add1 || ADD2|123|000000000
Output :
1234|FirstName1|MiddleName2|LastName3| Add1 ,, ADD2|123|000000000
OR
1234,FirstName1,MiddleName2,LastName3, Add1 ||... (2 Replies)
Discussion started by: styris
2 Replies
LEARN ABOUT REDHAT
head
HEAD(1) FSF HEAD(1)NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no
FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=SIZE
print first SIZE bytes
-n, --lines=NUMBER
print first NUMBER lines instead of first 10
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the
command
info head
should give you access to the complete manual.
head (coreutils) 4.5.3 February 2003 HEAD(1)