check column


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting check column
# 1  
Old 01-24-2008
check column

edit
edit
edit

Last edited by ust; 01-24-2008 at 10:06 PM..
# 2  
Old 01-24-2008
Code:
awk '$NF||$(NF-1){exit 1}' FS=":"  /etc/shadow || echo alert ...

Use nawk or /usr/xpg4/bin/awk on Solaris.
Login or Register to Ask a Question

Previous Thread | Next Thread

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Check increment values in column

Gents, I have a file where i would like to check the constant increment by 2 in column 2. 5450 1000 5450 1002 5450 1004 5450 1006 5465 1000 5465 1002 5465 1006 5465 1008 5550 1002 5550 1004 5550 1006 5550 1008 6830 1000 6830 1002 6830 1008 6830 1010 (6 Replies)
Discussion started by: jiam912
6 Replies

2. Shell Programming and Scripting

Check first column - average second column based on a condition

Hi, My input file Gene1 1 Gene1 2 Gene1 3 Gene1 0 Gene2 0 Gene2 0 Gene2 4 Gene2 8 Gene3 9 Gene3 9 Gene4 0 Condition: If the first column matches, then look in the second column. If there is a value of zero in the second column, then don't consider that record while averaging. ... (5 Replies)
Discussion started by: jacobs.smith
5 Replies

3. Shell Programming and Scripting

Check null values column

hi, I had a small question.I had a file from which i need to extract data. I have written the below script to check if the file exists and if it exists extract requierd columns from the file. IFILE=/home/home01/Report_1.csv OFILE=/home/home01/name.csv.out1 if #Checks if file exists... (1 Reply)
Discussion started by: Vivekit82
1 Replies

4. UNIX for Dummies Questions & Answers

Check Column corresponding to input

I have a file which extracts data from an HTML file For Eg HTML file contains: New York;ABC;145;Yes;YES;No New York;BCD;113;Yes;YES;No New York;NAS;63;Yes;YES;No ------------------------ London-48;CBT;16;Yes;YES;No London-48;CME;17;Yes;YES;No London-48;EUR;52;Yes;YES;No... (7 Replies)
Discussion started by: newkid.7955
7 Replies

5. Shell Programming and Scripting

Adjacent row and column check in Perl

HI, i am new to perl world. And i am trying to compress a file, as given below procedure. INPUT FILE: 1 1 2 1 ==> R1 2 1 3 1 ==> R2 3 1 4 1 ==> R3 OUTPUT FILE: 1 1 4 1 (3 Replies)
Discussion started by: vasanth.vadalur
3 Replies

6. Shell Programming and Scripting

How to check if a column is having a numeric value or not in a file?

Hi, I want to know, how we find out if a column is having a numeric value or not. For Example if we have a csv file as ASDF,QWER,GHJK,123,FGHY,9876 GHTY,NVHR,WOPI,623,HFBS,5386 we need to find out if the 4th and 6th column has muneric value or not. Thanks in advance Keerthan (9 Replies)
Discussion started by: keerthan
9 Replies

7. Emergency UNIX and Linux Support

AWK - check column data

Hi, I have a data in a file . Infile: 1 e 1.2 1.6 5 f 2.3 3.6 3 g 1.2 2.6 6 i 2.3 3.6 8 o 1.2 3.6 output: 1 e 1.2 1.6 5 f 2.3 3.6 3 g 1.1 2.6 6 i 2.2 3.5 8 o 1.0 3.4 (17 Replies)
Discussion started by: vasanth.vadalur
17 Replies

8. UNIX for Dummies Questions & Answers

Check for null values in a column

Hi All, I have a file with 10 columns and get the required data for nine columns properly except 8th. In 8th column i have both NULL and NON NULL values...i.e certain records have values for all the columns including 8th column and certain records have 8th column as NULL.My requisite is,without... (20 Replies)
Discussion started by: ganesh_248
20 Replies

9. Shell Programming and Scripting

How to check Null values in a file column by column if columns are Not NULLs

Hi All, I have a table with 10 columns. Some columns(2nd,4th,5th,7th,8th and 10th) are Not Null columns. I'll get a tab-delimited file and want to check col by col and generate seperate error code for each col eg:102 if 2nd col value is NULL and 104 if 4th col value is NULL so on... I am a... (7 Replies)
Discussion started by: Mandab
7 Replies
Login or Register to Ask a Question