08-03-2011
replace
awk '{ gsub( / /,"3M8");print }' yourfilename
Last edited by a20786; 08-03-2011 at 01:59 PM..
9 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hi,
I want to replace string in column,Example i have file caleed a1.txt ,want to replace string "A12" with "A23" only in column2 ,not from file itself.Using sed command replace string in file itself.
Thanks,
Mohan (3 Replies)
Discussion started by: mohan705
3 Replies
2. UNIX and Linux Applications
Hi All,
I need to replace the last 19 bytes of the following string
My_Org_Testing_20090102_231124.txt (Text_Date_Time.txt).
I would like to derive the current time using "date +%Y%m%d_%H%M%S.txt" and replace the last 19 bytes of the above string
I would appreciate if someone could... (3 Replies)
Discussion started by: rpk2008
3 Replies
3. UNIX for Dummies Questions & Answers
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)
Discussion started by: ksailesh
1 Replies
4. Shell Programming and Scripting
Search and Replace a string pattern with empty in an xml file in unix:
My xml file would be like this :
<Accounts><Name>Harish</Name><mobile>90844444444444445999 </mobile><TRIG>srcujim-1</TRIG></Accounts><Accounts><Name>Satish</Name><mobile>908999</mobile><TRIG>ettertrtt-1</TRIG></Accounts>
... (1 Reply)
Discussion started by: harish_s_ampeo
1 Replies
5. Shell Programming and Scripting
Hi experts,
My csv file looks like this
U;cake;michael;temp;;;;
U;bread;john;temp;;;;
U;cocktails;sarah;temp;;;;
I'd like to change the value fo 2nd column to cf+random number , which will look maybe something like this
U;cf20187;michael;temp;;;;
U;cf8926;john;temp;;;;... (7 Replies)
Discussion started by: tententen
7 Replies
6. Shell Programming and Scripting
Hi All, I will need an help with respect to replacing a range of columns on a non-delimited file using a particular string pattern.
Say file input is
MYNUMBERD000000-BAN CHUE INSNTS ** N+
MYAREDSDD000000+BAN CHUE INSNTS ** N+
MYDERFFFSD00000-GIR PENT - ACH ** ... (5 Replies)
Discussion started by: navojit dutta
5 Replies
7. Shell Programming and Scripting
Hi All,
I have a large dat file where each lines are pipe delimited values. I need to parse the file depending on the request. For example: sometimes I have told to remove all the values in the 7th column (this case remove values '3333' only from the first line and '3543' from the second line)... (4 Replies)
Discussion started by: express14
4 Replies
8. Shell Programming and Scripting
how to search and replace string in column in file with command sed or other
search "INC0000003.in" and replace column 4 = "W"
$ cat file.txt
INC0000001.in|20150120|Y|N|N
INC0000002.in|20150120|Y|N|N
INC0000003.in|20150120|Y|N|N
INC0000004.in|20150120|Y|N|Noutput... (4 Replies)
Discussion started by: ppmanja3
4 Replies
9. Shell Programming and Scripting
I wanted to search for a string and replace it with other string from nth column of a file which is comma seperated which I am able to do with below
# For Comma seperated file without quotes
awk 'BEGIN{OFS=FS=","}$"'"$ColumnNo"'"=="'"$PPK"'"{$"'"$ColumnNo"'"="'"$NPK"'"}{print}' ${FileName} ... (5 Replies)
Discussion started by: Amit Joshi
5 Replies
LEARN ABOUT PLAN9
getfields
GETFIELDS(2) System Calls Manual GETFIELDS(2)
NAME
getfields, getmfields, setfields, tokenize - break a string into fields
SYNOPSIS
#include <u.h>
#include <libc.h>
int getfields(char *str, char **ptrs, int nptrs)
int getmfields(char *str, char **ptrs, int nptrs)
char* setfields(char *fielddelim)
int tokenize(char *str, char **args, int max)
DESCRIPTION
Getfields breaks the null-terminated string str into at most nptrs null-terminated fields and places pointers to the start of these fields
in the array ptrs. It returns the number of fields and terminates the list of pointers with a zero pointer. It overwrites some of the
bytes in str. If there are nptr or more fields, the list will not end with zero and the last `field' will extend to the end of the input
string and may contain delimiters.
A field is defined as a maximal sequence of characters not in a set of field delimiters. Adjacent fields are separated by exactly one
delimiter. No field follows a delimiter at the end of string. Thus a string of just two delimiter characters contains two empty fields,
and a nonempty string with no delimiters contains one field.
Getmfields is the same as getfields except that fields are separated by maximal strings of field delimiters rather than just one.
Setfields makes the field delimiters (space and tab by default) be the characters of the string fielddelim and returns a pointer to a
string of the previous delimiters.
Tokenize breaks null-terminated string str into tokens by replacing every blank or newline with a null byte. Pointers to successive non-
empty tokens are placed in args. Processing stops after max tokens are processed. Tokenize returns the number of tokens processed. Tok-
enize does not terminate args with a null pointer.
Alef
Of these routines, only tokenize is in Alef.
SOURCE
/sys/src/libc/port/getfields.c
/sys/src/libc/port/tokenize.c
SEE ALSO
strtok in strcat(2)
GETFIELDS(2)