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Full Discussion: how to write on separate lines?
Top Forums Shell Programming and Scripting how to write on separate lines? Post 302689709 by Sunusernewbie on Wednesday 22nd of August 2012 02:49:51 AM
Old 08-22-2012
how to write on separate lines?
Hello friends,
I have a file "a.txt" its contents
-----------------
pid 4075 (caiopr) shmat(1929379932, 0x0000000000000000, 0) = 0x00000000ff030000 (errno 0) pid 4075 (caiopr) shmdt(0x00000000ff030000) = 144 (errno 0) pid 4075 (caiopr) shmctl(1929379932, IPC_RMID) pid 4205 (cau9cli.exe) shmget(13, 0, 438) = 1 (errno 0) pid 4205 (cau9cli.exe) shmat(1, 0x0000000000000000, 0) = 0x00000000fea90000 (errno 0) pid 4205 (cau9cli.exe) shmdt(0x00000000fea90000) = 144 (errno 0) pid 4205 (cau9cli.exe) shmget(13, 0, 438) = 1 (errno 0) pid 4205 (cau9cli.exe) shmat(1, 0x0000000000000000, 0) = 0x00000000fea90000 (errno 0) pid 4205 (cau9cli.exe) shmget(0, 539, 1974) = 1929379932 (errno 0) pid 4205 (cau9cli.exe) shmat(1929379932, 0x0000000000000000, 0) = 0x00000000fee90000 (errno 0) pid 4205 (cau9cli.exe) shmdt(0x00000000fee90000) = 144 (errno 0) pid 4205 (cau9cli.exe) shmdt(0x00000000fea90000) = 144 (errno 0)
================

I want to know a command/ script which will format this a.txt such that each line will start with pid, please let me know.

Thanks
 

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LEARN ABOUT OSF1

getpgid

getpgid(2)							System Calls Manual							getpgid(2)

NAME

       getpgid - Gets process group ID

LIBRARY

       Standard C Library (libc.a)

SYNOPSIS

       #include <sys/types.h>
       #include <unistd.h>
       pid_t getpgid(	   pid_t pid);

PARAMETERS

       Specifies the process ID of the target process; zero implies the calling process.

DESCRIPTION

       The  getpgid()  function returns the process group ID of the process specified by the process ID pid.  Specifying a pid of 0 (zero) returns
       the process group ID of the calling process.

RETURN VALUES

       The getpgid() function returns the process group ID of the process specified.  If there was an error, a value of -1 is returned	and  errno
       is set to indicate the error.

ERRORS

       If  any	of  the following conditions occurs, the getpgid() function sets errno to the corresponding value: The specified process is not in
       the same session as the calling process, and the calling process lacks sufficient privilege to read the specified  process.   As  released,
       Tru64 UNIX does not check the privilege.  No process has been found that has a process ID identical to that specified by the pid parameter.

RELATED INFORMATION

       Functions: exec(2), fork(2), setpgid(2) delim off

																	getpgid(2)
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