9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
The POSIX shell standard grammar rules are at
Shell Command Language
I am trying to understand Rule 7 and I don't. I think there may be some mistakes there. I am not complaining about the standard; rather, I am concerned that my perception is wrong, and I don't understand something important.... (3 Replies)
Discussion started by: Mark_Galeck
3 Replies
2. 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
3. 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
4. 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
5. Shell Programming and Scripting
This is the code:
while test 1 -eq 1
do
read a
$a
if test $a = stop
then
break
fi
done
I read a command on every loop an execute it.
I check if the string equals the word stop to end the loop,but it say that I gave too many arguments to test.
For example echo hello.
Now the... (1 Reply)
Discussion started by: Max89
1 Replies
6. Shell Programming and Scripting
Hi:confused:,
I have a file that contains :
+-----------------------------------------------------------------------------+
LABEL: super1_fix
EFIX FILES: 1
ABSTRACT: epkg for touch command
PRE-REQUISITES: no
PACKAGER VERSION: 7
REBOOT REQUIRED: no
BUILD BOOT... (4 Replies)
Discussion started by: vijaya2006
4 Replies
7. AIX
Hi all,
I have the following script.Can somone explain what it does.Thanks in advance.
if test $# -lt 1
then
echo "Message"
exit 1
fi (2 Replies)
Discussion started by: sam_78_nyc
2 Replies
8. AIX
Hi All,
There is AIX server which has 2 internal disks running the OS and 8 external disks on a RAID array with RAID 5. My question - is there a way to check which are the logical volumes and file system configured on this RAID array (2 Replies)
Discussion started by: rramanuj
2 Replies
9. UNIX for Advanced & Expert Users
After creating a make recover tape on a TAC-4 9000/770, the system lost three of five volume groups from the /etc/lvmtab. What would be the best way to recreate the volume groups in the lvmtab? (1 Reply)
Discussion started by: spawarrior
1 Replies