1. Shell Programming and Scripting

Hey i have a small script in which i check if a file with that pattern exists or not. If present then i go ahead with further processing. In the present situation i have only one file with that name and for loop is reading twice. Here is the script. And the output of debug mode. Please help.... (5 Replies)

2. UNIX for Dummies Questions & Answers

Hi I have something like cat $HOME/all_dirs | while read ln_old_dirs do if then echo "$ln_all_old_dirs" fi done As you know that the variable ln_all_old_dirs is not accessable from outside the... (2 Replies)

3. Shell Programming and Scripting

Hello, basically what this script is supposed to do is showing a list of hosts that is given a number, that you will be able to choose from a list. A check is made to verify that the chosen number is within the array and this is where things go bad and I don't know why, bizarre. I've spent... (5 Replies)

4. Shell Programming and Scripting

I've got this problem, if I modify an array in the loop and print it, everything is fine as long as I stay in the loop. But, when I print it outside the loop, nothing happens... How can I solve this problem? Here I prepared a sample for you to see my problem; zgrw@Rain:~$ cat test asd 123... (4 Replies)

5. Programming

I have a 2 d array that I need to loop through and check for a specific value in each variable... Im a little confiused on how to do this... #include stdio.h #include string.h main () { char arrary; memset(array,' ',sizeof(array)); for ????? { if ( array == ' ' ) { do... (2 Replies)

6. Shell Programming and Scripting

Hi All, I am trying to run a do while for an array. And in the do while, I'm trying to get a user response. Depending on the the answer, I go ahead and do something or I move on to next element in the array. So far I can read the array, but I can't get the if statement to work. Any suggestions... (5 Replies)

7. Shell Programming and Scripting

Hello All, Maybe I'm Missing something here but I have NOOO idea what the heck is going on with this....? I have a Variable that contains a PATTERN of what I'm considering "Illegal Characters". So what I'm doing is looping through a string containing some of these "Illegal Characters". Now... (5 Replies)

8. Shell Programming and Scripting

given an array of filenames files=(*) how can i loop over these in batches of four, or even better, work always with four files simultaneously. i want do something with these files, always four of them simultaneously, and if one is ready the next should start. one idea, but definitely not... (2 Replies)

9. Shell Programming and Scripting

Here's my code: awk -F '' 'NR==FNR { if (/time/ && $5>10) A=$2" "$3":"$4":"($5-01) else if (/time/ && $5<01) A=$2" "$3":"$4-01":"(59-$5) else if (/time/ && $5<=10) A=$2" "$3":"$4":0"($5-01) else if (/close/) { B=0 n1=n2; ... (2 Replies)

10. Shell Programming and Scripting

Hi there, A bit new to bash and am having an issue with a for loop. I look for filenames in a specified directory and pull the date string from each meeting a certain criteria, and then would like to make a directory for each date found, like this: search 20180101.gz 20180102.gz 20180103.gz... (5 Replies)