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Full Discussion: Unix code to fetch the first field till space in a variable
Top Forums Shell Programming and Scripting Unix code to fetch the first field till space in a variable Post 302229456 by era on Wednesday 27th of August 2008 04:05:23 AM
Old 08-27-2008
It's both safer and more efficient to use the shell's built-in variable substitution syntax.

Code:
y=${x% *}

To be sure, echo $x without double-quoting the variable name $x will wreck the whitespace in the variable's value.
 

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LEARN ABOUT DEBIAN

shishi_kdcreq_till

shishi_kdcreq_till(3)						      shishi						     shishi_kdcreq_till(3)

NAME

       shishi_kdcreq_till - API function

SYNOPSIS

       #include <shishi.h>

       int shishi_kdcreq_till(Shishi * handle, Shishi_asn1 kdcreq, char ** till, size_t * tilllen);

ARGUMENTS

       Shishi * handle
		   Shishi library handle create by shishi_init().

       Shishi_asn1 kdcreq
		   KDC-REQ variable to get client name from.

       char ** till
		   pointer to newly allocated zero terminated string containing "till" field with generalized time.  May be NULL (to only populate
		   realmlen).

       size_t * tilllen
		   pointer to length of till on output, excluding terminating zero.  May be NULL (to only populate tilllen).

DESCRIPTION

       Get "till" field (i.e. "endtime") in KDC-REQ, as zero-terminated string.  The string is typically 15 characters long.  The string is  allo-
       cated by this function, and it is the responsibility of the caller to deallocate it.  Note that the output length realmlen does not include
       the terminating zero.

RETURN VALUE

       Returns SHISHI_OK iff successful.

REPORTING BUGS

       Report bugs to <bug-shishi@gnu.org>.

COPYRIGHT

       Copyright (C) 2002-2010 Simon Josefsson.
       Copying and distribution of this file, with or without modification, are permitted in any medium without  royalty  provided  the  copyright
       notice and this notice are preserved.

SEE ALSO

       The  full documentation for shishi is maintained as a Texinfo manual.  If the info and shishi programs are properly installed at your site,
       the command

	      info shishi

       should give you access to the complete manual.

shishi								       1.0.1						     shishi_kdcreq_till(3)
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