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Shell Programming and Scripting
echo on several lines
Post 302262227 by chebarbudo on Wednesday 26th of November 2008 04:55:34 PM
11-26-2008
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does anyone know how to combine 2 lines? this is what im playing around with.
(filename: online, user name: prml0001, real name: primal)
#!/bin/sh
who | grep $1 > /dev/null
if
then
grep $1 /etc/passwd | cut -f 5, -d :
echo is logged on
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Bit of a weird one i suppose, i want to use an echo inside an echo... For example...
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echo `echo ` doesn't echoes anything. And it's logic. But
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LEARN ABOUT DEBIAN
rdma_get_recv_comp
RDMA_GET_RECV_COMP(3) Librdmacm Programmer's Manual RDMA_GET_RECV_COMP(3) NAME
rdma_get_recv_comp - retrieves a completed receive request. SYNOPSIS
#include <rdma/rdma_verbs.h> int rdma_get_recv_comp (struct rdma_cm_id *id, struct ibv_wc *wc); ARGUMENTS
id A reference to a communication identifier to check for completions. wc A reference to a work completion structure to fill in. DESCRIPTION
Retrieves a completed work request for a receive operation. Information about the completed request is returned through the wc parameter, with the wr_id set to the context of the request. For details on the work completion structure, see ibv_poll_cq. RETURN VALUE
Returns the number of returned completions (0 or 1) on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason. NOTES
This calls polls the receive completion queue associated with an rdma_cm_id. If a completion is not found, the call blocks until a request completes. This call should only be used on rdma_cm_id's that do not share CQs with other rdma_cm_id's, and maintain separate CQs for sends and receive completions. SEE ALSO
rdma_cm(7), ibv_poll_cq(3), rdma_get_send_comp(3), rdma_post_send(3), rdma_post_read(3), rdma_post_write(3) librdmacm 2010-07-19 RDMA_GET_RECV_COMP(3)