Replace substring from a string variable Post: 303028819

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get substring from string variable

Hi Dears, How to use variable in string location of expression ${string:index:length} to get substring from string? I encounter error "bad substitution" when I use expression ${$var:0:5} to get first 5 characters from $var. Could you please help me out of this? Thanks!

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How to replace string in variable?

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Replace substring by longest string in common field (awk)

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LEARN ABOUT OSF1

pthread_getsequence_np

pthread_getsequence_np(3)				     Library Functions Manual					 pthread_getsequence_np(3)

NAME

       pthread_getsequence_np - Obtains the unique identifier for the specified thread.

LIBRARY

       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS

       #include <pthread.h>

       unsigned long   pthread_getsequence_np(
				     pthread_t	  thread);

STANDARDS

       None

PARAMETERS

       Thread object whose sequence number is to be obtained.

DESCRIPTION

       This  routine  obtains  and  returns  the DECthreads thread sequence number for the thread identified by the thread object specified in the
       thread argument.

       The thread sequence number provides a unique identifier for each existing thread.  A thread's thread sequence number is never reused  while
       the thread exists, but can be reused after the thread terminates.  The debugger interfaces use this sequence number to identify each thread
       in commands and in display output.

       The result of calling this routine is undefined if the thread argument does not specify a valid thread object.

RETURN VALUES

       No errors are returned.	This routine returns the DECthreads thread sequence number for the thread identified by the thread  object  speci-
       fied in the thread argument. The result of calling this routine is undefined if the thread argument does not specify a valid thread.

ERRORS

       None

RELATED INFORMATION

       Functions: pthread_create(3), pthread_self(3)

       Manuals: Guide to DECthreads and Programmer's Guide

       delim off

															 pthread_getsequence_np(3)

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Discussion started by: mk4mzid

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Discussion started by: vivelafete

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Replace string with asterisk(*) in variable

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