12-07-2001
As clarification, the sed solution, as coded, will drop the last two characters of each line that ends with two characters:
first character must be space, letter or digit
second character can be anything
otherwise will leave the line unchanged.
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1. Shell Programming and Scripting
hi
i am a new unix user
i want to check whether a file contains spacefied no of fields
if so i should delete last fields
and then insert some fields in 2nd field
please help me
Thanks Regards
babu :mad: (7 Replies)
Discussion started by: babu@shell
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2. Shell Programming and Scripting
Dear All ,
I have the query
cat temp.txt
|28-07-1997|IF_LEG_DCCT|TOV JV sdfsdfdsfdsfdsCLOSED* KIEV|381015280
I need to count the number of fields in this pipe-seperated file. I beleive this is possible via AWK command.
The in above file, output of the count should be 5....
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Dear All,
Please help me to do this.
I have a file like this.
5|94662240807|94776109911|94776325901|94779007172||||||
5|94112925421|94352240384|94352259199|94672229012||||||
5|94714242745|94722952461|94777660793|94788914465||||||
5|94242224624|94776145420|94776172499|94776531059||||||
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4. Shell Programming and Scripting
I have . dat file which contains data in a specific format:
0 3 892 921 342
1 3 921 342 543
2 4 817 562 718 765
3 3 819 562 717 761
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5. Shell Programming and Scripting
Hi
I was going through the below thread
https://www.unix.com/shell-programming-scripting/48535-how-count-number-fields-record.html
I too have something similar requirement as specified in this thread but the number of columns in my case can be very high, so I am getting following error.
... (3 Replies)
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6. UNIX for Dummies Questions & Answers
Hi,
I used to count number of fields using following command head -1 <filename> | awk -F"," '{print NF}'
Now the scenario is the delimiter(comma) occurs inside one of the data field. How to ignore the comma inside data and consider only delimiter and count number of fields. The fields are... (1 Reply)
Discussion started by: ethanr100
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7. Shell Programming and Scripting
Hello All,
I got a requirement when I was working with a file. Say the file has unloads of data from a table in the form
1|121|asda|434|thesi|2012|05|24|
1|343|unit|09|best|2012|11|5|
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Hi,
i am trying to count the fields in a file.
Input:
100,1000,,2000,3000,10/26/2012 12:12:30
200,3000,,1000,01/28/2012 17:12:30
300,5000,,5000,7000,09/06/2012 16:12:30
output:
Cout of the fileds for each row
6
5
6
awk -F"," '{print $NF}' file1.txt
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Hello All,
I am trying a one liner for finding the number of null columns in every line of my flat file.
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a|b|c|d||||e|f|g|
a|b|c|d||||e|f|g|
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10. Shell Programming and Scripting
I am new to cut and I want to use the field option with a space delimiter on an Apache log file.
For example, if I wanted to find the 200 HTTP code using cut in this manner on the file below
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CUT(1) User Commands CUT(1)
NAME
cut - remove sections from each line of files
SYNOPSIS
cut OPTION... [FILE]...
DESCRIPTION
Print selected parts of lines from each FILE to standard output.
Mandatory arguments to long options are mandatory for short options too.
-b, --bytes=LIST
select only these bytes
-c, --characters=LIST
select only these characters
-d, --delimiter=DELIM
use DELIM instead of TAB for field delimiter
-f, --fields=LIST
select only these fields; also print any line that contains no delimiter character, unless the -s option is specified
-n with -b: don't split multibyte characters
--complement
complement the set of selected bytes, characters or fields
-s, --only-delimited
do not print lines not containing delimiters
--output-delimiter=STRING
use STRING as the output delimiter the default is to use the input delimiter
--help display this help and exit
--version
output version information and exit
Use one, and only one of -b, -c or -f. Each LIST is made up of one range, or many ranges separated by commas. Selected input is written
in the same order that it is read, and is written exactly once. Each range is one of:
N N'th byte, character or field, counted from 1
N- from N'th byte, character or field, to end of line
N-M from N'th to M'th (included) byte, character or field
-M from first to M'th (included) byte, character or field
With no FILE, or when FILE is -, read standard input.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cut translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by David M. Ihnat, David MacKenzie, and Jim Meyering.
COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for cut is maintained as a Texinfo manual. If the info and cut programs are properly installed at your site, the
command
info coreutils 'cut invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 CUT(1)