1. Shell Programming and Scripting

(I think this question desearves separate thread..) I have a problem with 'while' I am trying to set variables by 'while' and it is fine inside, but after completting the loop all changes are lost: > bb="kkkk - 111\nlllll - 22222\nbbbb - 4444" > echo "$bb" kkkk - 111 lllll - 22222 bbbb -... (3 Replies)

2. Shell Programming and Scripting

Hi, I have a file with the following data -0.00000 0.00000 0.00000 F F F 0.00000 0.00000 0.80000 F F F 0.50000 0.50000 0.60000 F F F 0.50000 0.50000 0.20000 F F F -0.00000 0.00000 0.40000 F F F I would like to change the last 3 lines from F F F to T T T. I tried looping each line but don't... (5 Replies)

3. UNIX for Dummies Questions & Answers

Hello friends, i wrote a script which includes a couple of if-else loops but i have to change it to while-do loop as it is not allowed to use "break" in if-else loop in bash. #!/bin/bash -x NUM=`find . -name ufsdump_output1.txt | xargs egrep "End-of-tape detected"` if ; then echo "OK!"... (6 Replies)

4. Shell Programming and Scripting

I need to do something like this:for I in var1 var2 var3 ; do $I = "Something calculated inside the loop" doneObviously it doesn't work...but is it possible doing that in other ways? Thanks in advance. (6 Replies)

5. Shell Programming and Scripting

i am new to shell scripting. this is similar to the code which i was writing for some other work. i want the variable 'x' to have the value which it will finally have at the end of the loop ( the number of directories ). but the value of 'x' only changes inside the loop and it remains '0' out-side... (3 Replies)

6. Shell Programming and Scripting

Hi everyone, I am fairly new to shell scripting. I want to read in numbers from a file (one number per line). This works perfectly fine while read CurrentLine do echo $CurrentLine done < myfile and yields the correct output: 272 745 123 If I however run a ffmpeg... (2 Replies)

7. Shell Programming and Scripting

Hi guys, i have an executable file that contains several records and fields. One of the records has a variable filed that must be changed each time i want to execute the file. Would it be possible that i can use a loop to change the value of that field? Suppose that the field address is: Record... (5 Replies)

8. UNIX Desktop Questions & Answers

Dear All, I have many sub-folders but each of them have a file with same name but different data. I want to either move or copy them into a new folder but they need to have the path of where they are coming as part of their name... I have managed to find the files but dont know how to change... (2 Replies)

9. UNIX for Dummies Questions & Answers

In a "for i in *FD.CPY do" loop, I need to change .CPY to .layout so the executed command would be reclay blahFD.CPY >blahFD.layout What do I need to do to modify a copy of i to use after the > symbol? TIA (5 Replies)