I got a sample file like this.
$ cat test
12|13|100|s
12|13|100|s
100|13|100|s
12|13|100|s
I want to replace all 100 by 2000 only in 3rd field using "awk"
This is replacing all 100's :-(
$ awk -F "|" '{gsub( /100/,"2000");print}' test
12|13|2000|s
12|13|2000|s
2000|13|2000|s... (5 Replies)
Hi
I am using awk to replace the 4th feild of the input line. My code is below:
REP_LINE=$(echo $Line | awk -v var=$REPL_DT '{$4=var; print}')
It does replaces but all words/phrases after the 4th feild are erased. Is there a way to modify the 4th feild of the input line and to have all... (7 Replies)
I am writing a c++ program that has many calls of pow(input,2). I now realize that this is slowing down the program and these all should be input * input for greater speed.
There should be a simple way of doing this replacement throughout my file with awk, but I am not very familiar with awk.... (2 Replies)
I need to replace specific field (x) in a table with new value (y):
Input:
1 2 3 4
5 x 6 7
8 9 0 0
Output:
1 2 3 4
5 y 6 7
8 9 0 0
I have no idea how to do this. (10 Replies)
Hello everybody:
I want to replace any field $2 of any file line (f.i. test.txt) matching $1 with a shell variable.
$ cat test.txt
F 0
B A
H -12.33
Now I'm going to ask the value of variable B:
$ SEARCHVAR=B
$ OLDVAL=$(awk -v SEARCHVAR="$SEARCHVAR"... (4 Replies)
Hi
I would like to apply this gawk command:
gawk '{$0=gensub(/\y+\y/,"","g"); print}' file
not to the whole $0 but just to the part of $0 that is between:
(a number)"> and </mrk>
Is it possible?
thanks for your help. (4 Replies)
I have some problem with this.
Need to change field #3 to 5 if field #1 = A and filed #2 =B
DataA C 6 T
C B 4 R
A B 3 T
D E 5 4
I would like to do two things if statement is true, but can not get it to work.
Here it prints column #3 if statement is true, and this works
awk '{if... (3 Replies)
Need an awk script to calculate the percentage of value field and replace
I have a input file called file.txt with the following content:
john|622.5674603562933|8|br:1;cn:3;fr:1;jp:1;us:2
andy|0.0|12|**:3;br:1;ca:2;de:2;dz:1;fr:2;nl:1
in fourth filed of input file, calulate percentage of each... (1 Reply)
Hi Friends,
I have looked around the forums and over online but couldn't figure out how to deal with this problem
input.txt
gene1,axis1/0/1,axis2/0/1
gene1,axis1/1/2,axis2/1/2
gene1,axis1/2/3,axis2/2/3
gene2,axis1/3/4,axis2/3/4
Match on first column and if first column is... (1 Reply)
Hi,
I have a file like below
PRUM,67016800 ,CC ,C1,67016800 , ,Y,Y,2 ,CK,BX,FOX ,00000001,EA,00000001,20141120 00:00:00, ,N,Y,Y,CK ABCDEF... (7 Replies)
Discussion started by: mady135
7 Replies
LEARN ABOUT DEBIAN
rpl
RPL(1) BSD General Commands Manual RPL(1)NAME
rpl -- replace strings in files
SYNOPSIS
rpl [-LhiwbqvsRepfdt] [-xSUFFIX] <old_string> <new_string> <target_file ...>
DESCRIPTION
Basic usage is to specify two strings and one or more filenames or directories on the command line. The first string is the string to
replace, and the second string is the replacement string.
-h, --help
A short help text.
-L, --license
Show the license and exit.
-xSUFFIX
Search only files ending with SUFFIX, e.g. ``.txt''. May be specified multiple times.
-i, --ignore-case
Ignore the case of old_string.
-w, --whole-words
Make old_string match only on word boundaries.
-b, --backup
Move the original files to filename~ before replacing them.
-q, --quiet
Quiet mode.
-v, --verbose
Verbose mode.
-s, --dry-run
Simulation mode, no files are changed.
-R, --recursive
Recurse into subdirectories.
-e, --escape
Expand escape sequences in old_string and new_string. Examples of escape sequences are '
' (new-line), ' ' (tab), 'x42' (hexadec-
imal number 42), '