Sponsored Content
Top Forums Shell Programming and Scripting To find char field and replace null Post 302841361 by rohit_shinez on Wednesday 7th of August 2013 08:45:49 AM
Old 08-07-2013
To find char field and replace null

hi,

i having a file with | seperated in which i need to search char in 3rd column and replace with null. i need to replace only the coulmn where character occurs in 3rd field

for eg:

Code:
file1.txt
xx|yy|xx|12

output file:
xx|yy||12

 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

find pattern and replace another field

HI all I have a problem, I need to replace a field in a file, but only in the lines that have some pattern, example: 100099C01101C00000000059394200701CREoperadora_TX 100099C01201C00000000000099786137OPERADORA_TX2 in the example above I need to change the first field from 1 to 2 only if... (3 Replies)
Discussion started by: sergiioo
3 Replies

2. UNIX for Dummies Questions & Answers

Find and replace a field in the last line

I have a file 'test.out' with contents: 1|1|10|10|I|asdf| 2|1|10|10|I|sdfg| 4|1|10|10|I|hgfj| 34|0|10|10|I|sdg| I want to modify the fifth column with value 'I' to 'A' for only the last line. Below is what I expect to see: 1|1|10|10|I|asdf| 2|1|10|10|I|sdfg| ... (3 Replies)
Discussion started by: ChicagoBlues
3 Replies

3. Shell Programming and Scripting

Replace 4th field if null

Hi .. Can some one please suggest me how to replace 4th field(column) of a .csv file with "NA" if it is null. Input file data: |A|21|B1||1.1| |A|21|C|RAGH|1.1| |A|21|D1||1.1| |A|21|C|YES|1.1 Expected Output |A|21|B1|NA|1.1| |A|22|C|RAGH|1.1| |B|23|D1|NA|1.1| |A|24|C|YES|1.1| Thank... (4 Replies)
Discussion started by: pasupuleti81
4 Replies

4. Shell Programming and Scripting

Find and replace a column that has '' to NULL in a comma delimited using awk or sed

Hi this is my first time posting ever. I'm relatively new in using AWK/SED, I've been trying many a solution. I'm trying to replace the 59th column in a file where if I encounter '' then I would like to replace it with the word NULL. example 0 , '' , '' , 0 , 195.538462 change it to 0... (5 Replies)
Discussion started by: gumal901
5 Replies

5. Shell Programming and Scripting

Find and replace blank in the last field

Hi all, I have a huge file and I need to get ride of the fields 6-11 and replace the blanks in field 5 with a missing value(99999). 159,93848,5354,343,67898,45,677,5443,434,5545,45 677,45545,3522,244, 554,54344,3342,456, 344,43443,2344,444,23477... (12 Replies)
Discussion started by: GoldenFire
12 Replies

6. Shell Programming and Scripting

Find field count and replace

Hello All, I have a file with contents like apple|ball|charlie|David| England|France|Germany| Ireland|Japan|King|London| Man|Nancy|Orange| here the column delimiter is | so if any of the lines/rows in the file has 3 only records (last field is empty), i want to place a | at the end of... (4 Replies)
Discussion started by: vinredmac
4 Replies

7. Shell Programming and Scripting

Find and replace all extended char.

Hi Guys, I wand find and replace all Extended ASCII Codes from all my log files. My Log files: /home/Kalr/PPool/Output i have logs file in sub dir. /home/Kalr/PPool/Output/X /home/Kalr/PPool/Output/Y /home/Kalr/PPool/Output/Z My Abc.log file input: Extended ASCII Codes :– ... (4 Replies)
Discussion started by: asavaliya
4 Replies

8. Shell Programming and Scripting

Replace a field where values are null in a file.

Hi, I've a pipe delimited file and wanted to replace the 3rd field to 099990 where the values are null. How can I achieve it using awk or sed. 20130516|00000061|02210|111554|03710|2|205069|SM APPL $80-100 RTL|S 20130516|00000061|02210|111554|03710|2|205069|SM APPL $80-100 RTL|S... (12 Replies)
Discussion started by: rudoraj
12 Replies

9. Shell Programming and Scripting

Find a blank field and replace values to NA

Hi All, i have a file like col1 col2 col3 13 24 NA 12 13 14 11 12 13 14 22 NA 18 26 NA in this file if i found "NA" other values in the line are also replace by NA Could you help me! (7 Replies)
Discussion started by: Shenbaga.d
7 Replies
dos2unix(1)						      General Commands Manual						       dos2unix(1)

NAME
dos2unix - DOS/MAC to UNIX text file format converter SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...] Options: [-hkqV] [--help] [--keepdate] [--quiet] [--version] DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format. OPTIONS
The following options are available: -h --help Print online help. -k --keepdate Keep the date stamp of output file same as input file. -q --quiet Quiet mode. Suppress all warning and messages. -V --version Prints version information. -c --convmode convmode Sets conversion mode. Simulates dos2unix under SunOS. -o --oldfile file ... Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used. -n --newfile infile outfile ... New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used or you WILL lost your files. EXAMPLES
Get input from stdin and write output to stdout. dos2unix Convert and replace a.txt. Convert and replace b.txt. dos2unix a.txt b.txt dos2unix -o a.txt b.txt Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix ascii format. dos2unix a.txt -c iso b.txt dos2unix -c ascii a.txt -c iso b.txt dos2unix -c mac a.txt b.txt Convert and replace a.txt while keeping original date stamp. dos2unix -k a.txt dos2unix -k -o a.txt Convert a.txt and write to e.txt. dos2unix -n a.txt e.txt Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt. dos2unix -k -n a.txt e.txt Convert and replace a.txt. Convert b.txt and write to e.txt. dos2unix a.txt -n b.txt e.txt dos2unix -o a.txt -n b.txt e.txt Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt. dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me. AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au> Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org> MISCELLANY
Tested environment: Linux 1.2.0 with GNU C 2.5.8 SunOS 4.1.3 with GNU C 2.6.3 MS-DOS 6.20 with Borland C++ 4.02 Suggestions and bug reports are welcome. SEE ALSO
unix2dos(1) mac2unix(1) 1995.03.31 dos2unix v3.0 dos2unix(1)
All times are GMT -4. The time now is 11:25 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy