In awk, I'd like to check if a field is blank.
And by blank I mean, the field could be "" or " "
In other words, the field could either be empty, or be filled with spaces.
Would the regex look like this?
$5 ~ // { Action }?
What other ways are there?
Hmm.. in any case I think... (7 Replies)
Hello,
I have a record which split with "," I would like to check..if the field is empty and it will field "NIL" into the field.
input
45111,40404,peter,,0303403,0,030304,john,,9,0,
output
45111,40404,peter,NIL,0303403,0,030304,john,NIL,9,0, (8 Replies)
Hello,
I have a file with a lot of record like below:
00001,CUSTR,CUSTOMER ADDRESS,02310,N,0:00,0,0,0,0,0,0,0,0,0,0,0,0:00,0,0,0,0,0,CSH,ACC
Can I validate each record in the file and output the incorrect result?
field 1 - customer number, should be "5 digit.
field 2 - should be 5... (9 Replies)
Hi
I use the following code to read the file and to fix the length of the column of the record in the file 'Sample.txt'
ls Samp* | awk '
{ a=$1 }
END{
FS="n"
for(i=1;i<=NR;i++)
{
while( getline < a )
{
f1=$0;
print("Line::",f1);
f2=substr(f1,1,10)
print("Field1::",f2);... (10 Replies)
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)
Hi everyone..
I'm trying to eliminate multiple whitespaces from a file..
I must make use of shell script to eliminate whitespaces..
Take a look at the sample file
1 int main()
2 {
3 int a,b;
4 printf("Enter the values of a and b");
5 scanf("%d%d",&a,&b);
6 if(a>b) ... (6 Replies)
I have this
text.filecharles darwin sam delight
george washington johnson culper
darwin sam delight
micheal jackson penny lite and would like to remove the row, if the first field is blank. so the result would be:
result.filecharles darwin sam ... (4 Replies)
Hi,
I have the following file, I'd like to add an additional blank field to this file
This is a tab delimited file, I have tried the same thing on excel, but looking for a unix solution.
Here is my input:
Country Postal Admin4 StreetBaseName StreetType
HUN 2243 Kóka Dózsa György ... (3 Replies)
Find a blank field
Hi
I have set of fields that have some blank values, how to find that and get its line noumbers in output file.
Ex:
Col1 col2 col3
11 ss 103
12 104
13 105
14 se 106 (2 Replies)
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
LEARN ABOUT FREEBSD
sdiff
SDIFF(1) User Commands SDIFF(1)NAME
sdiff - side-by-side merge of file differences
SYNOPSIS
sdiff [OPTION]... FILE1 FILE2
DESCRIPTION
Side-by-side merge of file differences.
-o FILE --output=FILE
Operate interactively, sending output to FILE.
-i--ignore-case
Consider upper- and lower-case to be the same.
-E--ignore-tab-expansion
Ignore changes due to tab expansion.
-b--ignore-space-change
Ignore changes in the amount of white space.
-W--ignore-all-space
Ignore all white space.
-B--ignore-blank-lines
Ignore changes whose lines are all blank.
-I RE --ignore-matching-lines=RE
Ignore changes whose lines all match RE.
--strip-trailing-cr
Strip trailing carriage return on input.
-a--text
Treat all files as text.
-w NUM --width=NUM
Output at most NUM (default 130) print columns.
-l--left-column
Output only the left column of common lines.
-s--suppress-common-lines
Do not output common lines.
-t--expand-tabs
Expand tabs to spaces in output.
--tabsize=NUM
Tab stops are every NUM (default 8) print columns.
-d--minimal
Try hard to find a smaller set of changes.
-H--speed-large-files
Assume large files and many scattered small changes.
--diff-program=PROGRAM
Use PROGRAM to compare files.
-v--version
Output version info.
--help Output this help.
If a FILE is `-', read standard input. Exit status is 0 if inputs are the same, 1 if different, 2 if trouble.
AUTHOR
Written by Thomas Lord.
REPORTING BUGS
Report bugs to <bug-gnu-utils@gnu.org>.
COPYRIGHT
Copyright (C) 2004 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 sdiff is maintained as a Texinfo manual. If the info and sdiff programs are properly installed at your site,
the command
info diff
should give you access to the complete manual.
diffutils 2.8.7 April 2004 SDIFF(1)