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Full Discussion: Awk/grep
Top Forums Shell Programming and Scripting Awk/grep Post 302829901 by Scott on Saturday 6th of July 2013 10:41:08 PM
Old 07-06-2013
You're testing the result of the command with $?, not the output. If you want to store the output:
Code:
inet=$(...)

i.e.
Code:
$ inet=$(ip addr show eth0 | awk -F"[ /]" '/inet /{print $6}')
$ echo $inet

 

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inet.h(3HEAD)                                                         Headers                                                        inet.h(3HEAD)

NAME
inet.h, inet - definitions for internet operations SYNOPSIS
#include <arpa/inet.h> DESCRIPTION
The <arpa/inet.h> header defines the type in_port_t, the type in_addr_t, and the in_addr structure, as described in in.h(3HEAD). Inclusion of the <arpa/inet.h> header may also make visible all symbols from in.h(3HEAD). The following are declared as functions, and may also be defined as macros: in_addr_t inet_addr(const char *); in_addr_t inet_lnaof(struct in_addr); struct in_addr inet_makeaddr(in_addr_t, in_addr_t); in_addr_t inet_netof(struct in_addr); in_addr_t inet_network(const char *); char *inet_ntoa(struct in_addr); Default For applications that do not require standard-conforming behavior (those that use the socket interfaces described in section 3N of the ref- erence manual; see Intro(3) and standards(5)), the following may be declared as functions, or defined as macros, or both: uint32_t htonl(uint32_t); uint16_t htons(uint16_t); uint32_t ntohl(uint32_t); uint16_t ntohs(uint16_t); Standard conforming For applications that require standard-conforming behavior (those that use the socket interfaces described in section 3XN of the reference manual; see Intro(3) and standards(5)), the following may be declared as functions, or defined as macros, or both: in_addr_t htonl(in_addr_t); in_port_t htons(in_port_t); in_addr_t ntohl(in_addr_t); in_port_t ntohs(in_port_t); ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
Intro(3), htonl(3SOCKET), htonl(3XNET), inet_addr(3SOCKET), inet_addr(3XNET), in.h(3HEAD), attributes(5), standards(5) SunOS 5.10 30 Aug 2002 inet.h(3HEAD)
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