10 More Discussions You Might Find Interesting
1. 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)
Discussion started by: figaro
14 Replies
2. 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)
Discussion started by: nua7
3 Replies
3. 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)
Discussion started by: marqul
3 Replies
4. 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)
Discussion started by: ysrini
12 Replies
5. 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)
Discussion started by: LessNux
11 Replies
6. 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)
Discussion started by: qcmao
1 Replies
7. 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)
Discussion started by: bash_in_my_head
1 Replies
8. 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)
Discussion started by: Needhelp2
12 Replies
9. 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)
Discussion started by: hkapil
2 Replies
10. 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)
Discussion started by: frustrated1
2 Replies