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Full Discussion: UNIX commands question
Top Forums Shell Programming and Scripting UNIX commands question Post 302927627 by sea on Thursday 4th of December 2014 08:28:53 AM
Old 12-04-2014
It compares the value of the variable 'dest', of which the 2nd field been cuted off, and if it is NOT S55555, then remove something the has not been copied into the post.....

However, i dont know what ${dest#build.} does as substitution (or if it is valid).

Hope this helps
 

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MEMMOVE(3)						     Linux Programmer's Manual							MEMMOVE(3)

NAME
memmove - copy memory area SYNOPSIS
#include <string.h> void *memmove(void *dest, const void *src, size_t n); DESCRIPTION
The memmove() function copies n bytes from memory area src to memory area dest. The memory areas may overlap: copying takes place as though the bytes in src are first copied into a temporary array that does not overlap src or dest, and the bytes are then copied from the temporary array to dest. RETURN VALUE
The memmove() function returns a pointer to dest. CONFORMING TO
SVr4, 4.3BSD, C89, C99, POSIX.1-2001. SEE ALSO
bcopy(3), memccpy(3), memcpy(3), strcpy(3), strncpy(3), wmemmove(3) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
1993-04-10 MEMMOVE(3)
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