1. Shell Programming and Scripting

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)

2. AIX

i want a command for my script!!! say file consists of character 123 125 127. i need a query to replace the number 2 with 0 so the output should be 103 105 107. i use unix-aix (8 Replies)

3. AIX

i am a newbie to shell script,so i want a kshell script in which i need to check for a particular character inside a file through conditional looping(like if ,case,while)and if that character exists ,then substitute a given character to that character. consider a file test.txt,inside the file... (1 Reply)

4. Shell Programming and Scripting

HI , I have to check the values of variable is blank or not. exm : ###test test1 var=`cate filename | head -1 | cut -c1-3` I need to check the first three character of 1st line . if it is blank .then exit or we need to process . Thanks in advance . (2 Replies)

5. Shell Programming and Scripting

Hi, i am trying to get the no of users using nofActUsers=$(echo /usr/sbin/lsof -l | grep "/mast/data/users" ) it will return blank, if the user does nto have permissions to run the script. Now I need to check if the valueis blank i have route to another script else the user has to... (1 Reply)

6. Shell Programming and Scripting

hi, I have a doubt in replacing characters with blank. My requirement is that, i have one file and looks like below 4:ALTER SYSTEM DISCONNECT SESSION '193,191' IMMEDIATE; 6:ALTER SYSTEM DISCONNECT SESSION '205,7274' IMMEDIATE; 5:ALTER SYSTEM DISCONNECT SESSION '206,34158' IMMEDIATE;... (4 Replies)

7. UNIX for Advanced & Expert Users

Hello, I have an AIX 5.3 system. I want to check users to see whether there are users with blank passwords but i would prefer to do that without checking /etc/passwd or /etc/security/passwd files. Also while i was searching the web for a solution i noticed that many people refer to /etc/shadow... (2 Replies)

8. UNIX for Dummies Questions & Answers

Hi all, I have 89 columns,1200 rows in a flat file, some of the values are just '.' (the character dot). I want to replace them by nothing (blank), but when I do so, it affects the decimal numbers too. so 12.34 becomes 1234. How can I just replace values which are only '.' with 1 white... (13 Replies)

9. Shell Programming and Scripting

Hi Folks, I have a huge data of the below format abc #apple 1200 06/23 ghj #orange 1500 06/27 uyt #banana 2300 05/13 efg #vegetable 0700 04/16 After first 3 letters, i have 9 spaces and after fruit there are no specific fixed space, but it varies... (4 Replies)

10. Shell Programming and Scripting

Hi All Need Help I have a file with the below format (ABC.TXT) : ®¿¿ABCDHEJJSJJ|XCBJSKK01|M|7348974982790 HDFLJDKJSKJ|KJALKSD02|M|7378439274898 KJHSAJKHHJJ|LJDSAJKK03|F|9898982039999 (cont......) I need to write a script where it will check for : blank lines (between rows,before... (6 Replies)