1. Shell Programming and Scripting

I want to be able to run a script on one server, that will spawn another shell which runs some commands on another server.. I have seen some code that may help - but I cant get it working as below: spawn /usr/bin/ksh send "telnet x <port_no>\r" expect "Enter command: " send "LOGIN:x:x;... (2 Replies)

2. Shell Programming and Scripting

Hi , I am having one situation in which I need to run some simple unix commands after doing "chroot" command in a shell script. Which in turn creates a new shell. So scenario is that - I need to have one shell script which is ran as a part of crontab - in this shell script I need to do a... (2 Replies)

3. Shell Programming and Scripting

Hi can someone please help me on this. I need to perform this code: Grep any lines that meets the following criteria (A AND B) OR (A AND C) I tried this code, but it didn't work Grep-I "A &&B" | "A&&C" *.* $ thanks in advance (12 Replies)

4. Shell Programming and Scripting

I want to log into a remote server transfer over a new config and then backup the existing config, replace with the new config. I am not sure if I can do this with BASH scripting. I have set up password less login by adding my public key to authorized_keys file, it works. I am a little... (1 Reply)

5. Shell Programming and Scripting

On Linux OS, bash environment, I want implement the following code: if && ( || ) A,B,C represents some compare conditions. How to realize it ? Thanks! (1 Reply)

6. Shell Programming and Scripting

Please tell me how to nest logical expressions in bash. I would like to nest logical expressions for arguments of the "test" command on bash. The following pseudo-code shows my intention. // pseudo code if (exp1 AND (exp2 OR exp3)) { Output true; } else { Output false; } ... (11 Replies)

7. Shell Programming and Scripting

Hi, i want to check if a variable var1 is not a or b or c pseudo code: If NOT (var1 = a or var1 = b or var1 = c) then ... fi I want to use POSIX complaint Korn shell, and for string comparison For the following code, logical.sh #!/usr/bin/ksh var="j" echo "Var : $var" if ! { || ||... (12 Replies)

8. Shell Programming and Scripting

basically i'm tired of hitting the left arrow a few dozen times when correcting a mistake or modifying a history command i'd like to use vim style key shortcuts while on the command line so that a 55 moves the cursor 55 places to the left... and i want all the other vi goodies, search of... (3 Replies)

9. Shell Programming and Scripting

Hi, I am trying to check if two input files exist before the rest of the scripts is run. Following is the code that I have but it gives me syntax error. if then echo "File not found" else echo "File found" fi (3 Replies)

10. UNIX for Dummies Questions & Answers

I have code as follows to perform some validations on C++ and Javascript files: if || || ; then However, when I want to add other extensions as well, say "py" or "sql", then the repeated OR starts to look contrived. I know I can use the -o operator to abbreviate the code a little bit, but... (14 Replies)