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Full Discussion: Writing to the stderr of a script
Top Forums Shell Programming and Scripting Writing to the stderr of a script Post 302399527 by Ultrix on Sunday 28th of February 2010 07:07:22 PM
Old 02-28-2010
Quote:
Originally Posted by pludi
Ok, one thing after the other...

$0 is the name of the program running. What's put there depends on how you call it. But you can't use that name in the sense of "redirect something to that program".

Redirections are done from left to right. So your line
Code:
printf "$1: File not found\nNote: This script will only work on files.  It will not take bare strings.\n" > $0 1>&2;

actually means "take the output of printf, redirect it to the file named in $0, and if there's still something on stdout redirect it to stderr"

What you want is
Code:
printf "$1: File not found\nNote: This script will only work on files.  It will not take bare strings.\n" 1>&2

Which means "take printf's output, and redirect it to stderr"
Yes, that works. It redirects to stderr. Thanks for the help.
 

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LEARN ABOUT DEBIAN

cgi_redirect_uri

cgi_redirect_uri(3)						     cgi/cgi.h						       cgi_redirect_uri(3)

NAME

       cgi_redirect_uri  - send an HTTP 302 redirect response

SYNOPSIS

       #include <cgi/cgi.h>

       void cgi_redirect_uri (CGI *cgi, const char *fmt, ...)
			      ATTRIBUTE_PRINTF(2,3);

ARGUMENTS

       cgi - cgi struct
       fmt - printf style format with args

DESCRIPTION

       cgi_redirect_uri   will	redirect  the  user  to  another  page	on  your  site.   This	version  takes	the  full  URL,  including  proto-
       col/domain/port/path.  As with all printf style commands, you should not call this with arbitrary input that may contain %  characters,	if
       you are forwarding something directly, use a format like cgi_redirect (cgi, "%s", buf)

RETURN VALUE

       None

SEE ALSO

       cgi_debug_init(3),  cgi_parse(3),  cgi_destroy(3),  cgi_js_escape(3),  cgi_html_escape_strfunc(3), cgi_register_strfuncs(3), cgi_output(3),
       parse_rfc2388(3), cgi_url_validate(3), open_upload(3), cgi_cs_init(3), cgi_url_escape_more(3), cgi_html_strip_strfunc(3), cgi_neo_error(3),
       cgi_redirect(3),  cgi_filehandle(3),  cgi_register_parse_cb(3),	cgi_url_escape(3),  cgi_init(3), cgi_redirect_uri(3), cgi_cookie_clear(3),
       cgi_url_unescape(3), cgi_vredirect(3), cgi_display(3),  cgi_html_ws_strip(3),  cgi_error(3),  cgi_cookie_set(3),  cgi_text_html_strfunc(3),
       cgi_cookie_authority

ClearSilver							   12 July 2007 					       cgi_redirect_uri(3)
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