1. Shell Programming and Scripting

How to write this condition in ksh? if myfile is empty or myfile does not exist then do action1 fi is this OK? if ] -o ] then then do action1 fi Thanks. (3 Replies)

2. Shell Programming and Scripting

How do I check to make sure a file is not zero bytes? Something like: if then ????? (7 Replies)

3. UNIX for Dummies Questions & Answers

I want to print "empty" if $TEST is empty. TEST= if ${TEST:?} ; then echo empty; fi But it doesn't work. What's wrong? (2 Replies)

4. UNIX for Dummies Questions & Answers

AIX 5.3 / KSH I have a Java application which creates a log file a.log. I have a KSH script which does the following action cp a.log /directory2/b.log > a.log After this the file size goes to 0 as per "ls -l" Then next time when the application writes into this file, the file size... (4 Replies)

5. Shell Programming and Scripting

hi how can I determine, if a file is empty or not?I am using read line clause. The script should be like: while read line do if(file is empty) then; ...... done < $blacklist (1 Reply)

6. UNIX for Dummies Questions & Answers

Hi All, I am checking for a empty input file to do some further action , but I am getting exit status 0 in both the cases , for empty and non empty file both. The value of $? is coming 0 in if part also and else part too. #!/bin/ksh if ]; then echo "data" # exit 0 echo "$?" else... (4 Replies)

7. Shell Programming and Scripting

how can i use while loop ? while file is empty do.... if not empty do ..... in bash (1 Reply)

8. Shell Programming and Scripting

This is the code: while test 1 -eq 1 do read a $a if test $a = stop then break fi done I read a command on every loop an execute it. I check if the string equals the word stop to end the loop,but it say that I gave too many arguments to test. For example echo hello. Now the... (1 Reply)

9. Shell Programming and Scripting

How to check weather a string is like test* or test* ot *test* in if condition (5 Replies)

10. Shell Programming and Scripting

The below awk improved bu @MadeInGermany, works great as long as the input file has data in it in the below format: input chrX 25031028 25031925 chrX:25031028-25031925 ARX 631 18 chrX 25031028 25031925 chrX:25031028-25031925 ARX 632 14... (3 Replies)