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Full Discussion: I am not able to use variables in system command in a C program
Top Forums UNIX for Dummies Questions & Answers I am not able to use variables in system command in a C program Post 302760495 by dhanda2601 on Thursday 24th of January 2013 06:04:42 AM
Old 01-24-2013
i have already allocate the variable for that my code is
Code:
char cmd[20];
printf("enter you string);
scanf("%s",cmd); 
system("whereis cmd");


this cmd is not working for example.
if give the input as "ls" to cmd variable .
but, that variable is not working in the system command this is my problem

thanks in advance
Last edited by Scott; 01-24-2013 at 07:11 AM.. Reason: Code tags
 

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LEARN ABOUT CENTOS

trace-cmd-options

TRACE-CMD-OPTIONS(1)													      TRACE-CMD-OPTIONS(1)

NAME

       trace-cmd-options - list available options from trace-cmd plugins

SYNOPSIS

       trace-cmd options

DESCRIPTION

       The trace-cmd(1) options command will examine all the trace-cmd plugins that are used by trace-cmd report(1) and list them.

SEE ALSO

       trace-cmd(1), trace-cmd-record(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1),
       trace-cmd-list(1), trace-cmd-listen(1)

AUTHOR

       Written by Steven Rostedt, <rostedt@goodmis.org[1]>

RESOURCES

       git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git

COPYING

       Copyright (C) 2011 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).

NOTES

	1. rostedt@goodmis.org
	   mailto:rostedt@goodmis.org

								    06/11/2014						      TRACE-CMD-OPTIONS(1)
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