is it possible to escape the \ character in sed?
right now I'm trying to replace all occurances of \ with \\
sed \"s|test|test_replacement|g\" file1 > output; #this works fine
sed \"s|\\|\\\|g\" file1 > output; #this generates the following error:
sed: -e expression #1, char 17:... (1 Reply)
I want to replace a string which contains "/" in vi but what is the escape character for forward slash?
e.g. I have a text file with the contents below and I want to replace "/Top/Sub/Sub1" with "ABC".
/Top/Sub/Sub1
The replace command I am using is ... (4 Replies)
Hi ,
I want to change space to ' in my script.
I tried doing this,
sed 's/ /\'/g' filename
but i could not get it.
can some one help me please.
Thanks,
Deepak (4 Replies)
Hi All,
How do i write in sed for the 6th and 7th field of etc/passwd file as it involves "/" character?
Does mine below is correct? It's incomplete script as i need help with syntax as i always getting may errors :(
Example of etc/passwd file:
blah:x:1055:600:blah... (6 Replies)
Hi all,
I have a script which uses sed to replace one string with another. The problem is, the string to be matched, and its replacement are coming in as two command line arguments $1 and $2
$1 and $2 can be absolutely anything, but both should be treated purely as strings. My sed command... (7 Replies)
Hello experts
I am trying to write a shell script which will add ' ' to a unix variable and then pass it to oracle for inserting to a table.
I am running the script as root and I have to do a su -c .
The problem is the character ' is not recognised inside sed even after adding escape... (1 Reply)
Good afternoon all,
I'm hoping my newbie question can help bolster someone's street_cred.sh today.
I'm trying to "fingerprint" SQL on its way into the rdbms for a benchmarking process (so I can tie the resource allocation back to the process more precisely).
To do this, I'm essentially... (4 Replies)
i have string as below
str=".<date>"
in which i need to replace < with /< , when i tried with sed , got the output.
--> echo $str | sed 's/</\\</g'
.\<date>
when i tried to assign it to a variable , i am not getting the same
--> a=`echo $str | sed 's/</\\</g'` ; echo $a... (4 Replies)
Hi ,
I am looking for a function which will do the following.
1. I have a variable which will hold few special chracter like
SPECIAL_CHARS="& ;"2. I have an escape character.
ESCAPE_CHAR="\"3. Now when I passed some string in the function it will return the same string but now it will... (8 Replies)
Greetings!
I've run into this before; and am having a spot of trouble trying to figure out the way that Perl would prefer the following example syntax to be formed:#!/usr/bin/perl
use strict;
use warnings;
use diagnostics;
`sed -i 's/Hi Mom!\|Hi Dad!/Bye Everyone!/I' ./test.txt`;Perl... (5 Replies)
Discussion started by: LinQ
5 Replies
LEARN ABOUT HPUX
pthread_cond_init
pthread_cond_init(3T)pthread_cond_init(3T)NAME
pthread_cond_init(), pthread_cond_destroy() - initialize or destroy a condition variable
SYNOPSIS PARAMETERS
cond Pointer to the condition variable to be initialized or destroyed.
attr Pointer to the attributes object that defines the characteristics of the condition variable to be initialized. If the
pointer is NULL, default attributes are used.
DESCRIPTION
The function initializes the condition variable cond with the attributes attr. If attr is NULL, the default condition variable attributes
are used to initialize the attributes object. See pthread_condattr_init(3T) for a list of the default condition variable attributes.
After successful initialization, the condition variable may be used in condition variable operations. A condition variable should be ini-
tialized only once or the resulting behavior is undefined. The function provides a way to ensure that a condition variable is only ini-
tialized once.
The macro can be used to initialize condition variables that are statically allocated. These condition variables will be initialized with
default attributes. The function does not need to be called for statically initialized condition variables.
If the process-shared attribute in the condition variable attributes object referenced by attr is defined as the condition variable must be
allocated such that the processes sharing the condition variable have access to it. This may be done through the memory-mapping functions
(see mmap(2)) or the shared memory functions (see shmget(2)).
destroys the condition variable cond. This function may set cond to an invalid value. The destroyed condition variable can be reinitial-
ized using the function If the condition variable is used after destruction in any condition variable call, the resulting behavior is unde-
fined.
A condition variable should be destroyed only when there are no threads currently blocked on it. Destroying a condition variable that is
currently in use results in undefined behavior.
RETURN VALUE
Upon successful completion, and return zero. Otherwise, an error number is returned to indicate the error (the variable is not set).
ERRORS
If any of the following occur, the function returns the corresponding error number:
The system does not have the available resources (other than memory)
to initialize the condition variable.
The specified condition variable is an already initialized condition
variable. However, getting for reinitializing the condition variable cannot be expected all the time since the
behavior of reinitializing the condition variable is undefined.
The cond parameter points to an illegal address.
The value specified by
cond or attr is invalid.
There is insufficient memory available in which to initialize
the condition variable.
If any of the following occur, the function returns the corresponding error number:
An attempt to destroy
cond while it is in use by another thread.
cond is not a valid condition variable.
WARNINGS
The space for condition variable must be allocated before calling Undefined behavior will result if the process-shared attribute of attr is
and the space allocated for the condition variable is not accessible to cooperating threads.
AUTHOR
and were derived from the IEEE POSIX P1003.1c standard.
SEE ALSO pthread_cond_signal(3T), pthread_cond_wait(3T).
STANDARDS CONFORMANCE
Pthread Library pthread_cond_init(3T)