1. Shell Programming and Scripting

Hi. Im using cat to output the contents of a file, then piping it to my while read loop.In this loop variables get assigned values. However when i try to use the variables outside the loop their values has been reset.I understand about subshells etc. but I have no idea how to "preserve" the... (3 Replies)

2. UNIX for Dummies Questions & Answers

Hi, I did not understand why the following did not work out as I expected: find . -name "pqp.txt" | grep -v "Permission" I thought I would be able to catch whichever paths containing my pqp.txt file without receiving the display of messages such as "find: cannot access... Permisson... (1 Reply)

3. Shell Programming and Scripting

Hi All... Does anyone know how to pipe the output of a "select" statement from a call to Oracle to a file? ANy ideas woule be greatly appreciated! Code is as below... echo "producing CSV file 2..." sqlplus -s $username/$password@$database<<EOF set serveroutput on size 1000000 set... (13 Replies)

4. Shell Programming and Scripting

Hi. I have a script like so: #!/bin/bash download='php /var/www/last.php' echo $download if $downloadHow do I pipe the output of the php file into a variable, as when i run the if statement, it just echos the file output to the screen and does not actually consider the output (it will be... (2 Replies)

5. UNIX for Dummies Questions & Answers

Hi, I have heard you can use the echo command and piping together and was wondering if you can help me out. I want to be able to use the echo command and pipe together to tell me how many files are in my current working directory, which have only my username read, write and execute... (4 Replies)

6. Shell Programming and Scripting

Hi All, I am trying to convert the below Csh code into Perl. But i have the following error. Can any expert help ? Error: ls: *tac: No such file or directory Csh set $ST_file = `ls -rt *$testid*st*|tail -1`; Perl my $ST_file = `ls -rt *$testid*st*|tail -1`; (10 Replies)

7. Shell Programming and Scripting

I am trying to have a script run without interaction from the command line. So in my script i have a line like this echo -e "\n\n\ny\ny\n" | ./script the goal being the ability to mimic 3 Enter presses and 2 'y/n' responses with 'y' followed by enter. For some reason tho, it is not... (1 Reply)

8. Shell Programming and Scripting

Hi all. I am using procmail to deliver an email to a script I am developing. Procmail delivers the email to the script on standard input. I imagine this is the same as piping input from a command into the script. Hence I've been testing my script by running echo 'test' | sms-autosend-backup.sh ... (2 Replies)

9. Shell Programming and Scripting

Ok, so there is a perl script that runs as a server, on my local host. It tells me which port to use. I want to pipe that output into my browser so I can do the whole thing with a single command. The problem is, I think, that the program doesn't actually exit cause it's running a server, so...... (6 Replies)

10. Shell Programming and Scripting

Basically I was wondering if any of you know how to pipe the output of ls to a text file? so in my shell script one of the lines is ls but i want to pipe it into a file called directory listing. Cheers. I have tried ls | Directorylisting.txt but it keeps saying " line 7: DirectoryListing.txt:... (9 Replies)