Hello, i am doing a project for school and i cannot figure out whats wrong with my 2 programs they dont seem to work at all.
the first program is called isprime and naturally it checks to see if hte number is prime or not
here is my code:
#!/usr/bin/bash
num=$1
echo you typed
if ... (2 Replies)
Hello Experts,
I am new at this and need some help. I am looking for a delete command that allows me after I grep for the hostname to delete all the lines between two characters. for example I want to delete the first line all the way up to the } character
host test019 {
hardware ethernet... (10 Replies)
Hi,
The contents of my file is below:
Name,Location,Degree,Gender,Awards
Robert,Philadelphia,Accounting,Male,5
Jane,Chicago,Business,Female,2
Allan,New York,Engineering,Male,6
Tom,Detroit,Computer Science,Male,10
Nancy,Milwaukee,Engineering,Female,4
I want to add a "ID" in the 1st line... (2 Replies)
I have script as following..
server_status= some command | grep "Total error: 0"
if ; then
echo " Server $(hostname) is Down" >>Result
fi
else
echo " Server is OK on $(hostname)" >>Result
the if command seems to be not working properly for some... (13 Replies)
Hiiiiiiiiiiiii all,
Please i want your help fast, the teacher gave us this assignment can u help me to write it?
this is the question:
Write a shell script to point all prime numbers from the fibonacci series of integer N?
using Red hat Os
Thanks all and waiting for ur answers... (1 Reply)
hiiiiiiiiiiiii,,I found an error on my following script but couldnt find it!!! Can you please help me as soon as possible?!
echo "enter a number "
read n
i=0
first=0
second=1
result=0
prime="true"
echo –n " $first $second "
while
do
result=`expr $first + $second`
first=$second... (10 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Write a Bourne shell script which:
• Has one command line argument.
• If the command line argument is a... (5 Replies)
Hi all,
can you plz check whether the below code is correct & some inputs.
I need to read the below file and process it.
input :
/home/ibm/var.txt
urgent
not urgent
not needed.
#!/usr/bin/ksh
VAR=/home/ibm/var.txt
if ]
then (7 Replies)
As per code it is getting matched. not sure why it assigning to cols=0.
Any inputs please.
Input : passed is
shell.sh c tablename.
if ; then
cols=1
table=$2
else
cols=0
table=$1
fi (1 Reply)
Discussion started by: ramkumar15
1 Replies
LEARN ABOUT OSX
bio_f_cipher
BIO_f_cipher(3) OpenSSL BIO_f_cipher(3)NAME
BIO_f_cipher, BIO_set_cipher, BIO_get_cipher_status, BIO_get_cipher_ctx - cipher BIO filter
SYNOPSIS
#include <openssl/bio.h>
#include <openssl/evp.h>
BIO_METHOD * BIO_f_cipher(void);
void BIO_set_cipher(BIO *b,const EVP_CIPHER *cipher,
unsigned char *key, unsigned char *iv, int enc);
int BIO_get_cipher_status(BIO *b)
int BIO_get_cipher_ctx(BIO *b, EVP_CIPHER_CTX **pctx)
DESCRIPTION
BIO_f_cipher() returns the cipher BIO method. This is a filter BIO that encrypts any data written through it, and decrypts any data read
from it. It is a BIO wrapper for the cipher routines EVP_CipherInit(), EVP_CipherUpdate() and EVP_CipherFinal().
Cipher BIOs do not support BIO_gets() or BIO_puts().
BIO_flush() on an encryption BIO that is being written through is used to signal that no more data is to be encrypted: this is used to
flush and possibly pad the final block through the BIO.
BIO_set_cipher() sets the cipher of BIO b to cipher using key key and IV iv. enc should be set to 1 for encryption and zero for decryption.
When reading from an encryption BIO the final block is automatically decrypted and checked when EOF is detected. BIO_get_cipher_status() is
a BIO_ctrl() macro which can be called to determine whether the decryption operation was successful.
BIO_get_cipher_ctx() is a BIO_ctrl() macro which retrieves the internal BIO cipher context. The retrieved context can be used in
conjunction with the standard cipher routines to set it up. This is useful when BIO_set_cipher() is not flexible enough for the
applications needs.
NOTES
When encrypting BIO_flush() must be called to flush the final block through the BIO. If it is not then the final block will fail a
subsequent decrypt.
When decrypting an error on the final block is signalled by a zero return value from the read operation. A successful decrypt followed by
EOF will also return zero for the final read. BIO_get_cipher_status() should be called to determine if the decrypt was successful.
As always, if BIO_gets() or BIO_puts() support is needed then it can be achieved by preceding the cipher BIO with a buffering BIO.
RETURN VALUES
BIO_f_cipher() returns the cipher BIO method.
BIO_set_cipher() does not return a value.
BIO_get_cipher_status() returns 1 for a successful decrypt and 0 for failure.
BIO_get_cipher_ctx() currently always returns 1.
EXAMPLES
TBA
SEE ALSO
TBA
50 2013-03-05 BIO_f_cipher(3)