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Full Discussion: anyone can explain this?
Top Forums Shell Programming and Scripting anyone can explain this? Post 302547461 by justlooks on Monday 15th of August 2011 09:00:16 PM
Old 08-15-2011
anyone can explain this?

why the case 2 will happen ? , ' should stop the history substitution ,shouldn't it?
case 1
Code:
# echo "123"|sed '/123/!d'
123

case 2
Code:
# echo "123
> 456
> 1
> "|sed '/123/!d'
-bash: !d': event not found

case 3
Code:
# echo "123
> 456
> 12
> "|sed '/123/'\!d
123

Code:
# bash --version
GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.

# sed --version
GNU sed version 4.1.5
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE,to the extent permitted by law.


Last edited by Franklin52; 08-16-2011 at 08:46 AM.. Reason: Please use code tags for data and code samples, thank you
 

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MSGFMT_FORMAT_MESSAGE(3)						 1						  MSGFMT_FORMAT_MESSAGE(3)

MessageFormatter::formatMessage - Quick format message

	Object oriented style

SYNOPSIS
publicstatic string MessageFormatter::formatMessage (string $locale, string $pattern, array $args) DESCRIPTION
Procedural style string msgfmt_format_message (string $locale, string $pattern, array $args) Quick formatting function that formats the string without having to explicitly create the formatter object. Use this function when the format operation is done only once and does not need and parameters or state to be kept. PARAMETERS
o $locale - The locale to use for formatting locale-dependent parts o $pattern - The pattern string to insert things into. The pattern uses an 'apostrophe-friendly' syntax; it is run through umsg_autoQuoteA- postrophe before being interpreted. o $args - The array of values to insert into the format string RETURN VALUES
The formatted pattern string or FALSE if an error occurred EXAMPLES
Example #1 msgfmt_format_message(3) example <?php echo msgfmt_format_message("en_US", "{0,number,integer} monkeys on {1,number,integer} trees make {2,number} monkeys per tree ", array(4560, 123, 4560/123)); echo msgfmt_format_message("de", "{0,number,integer} Affen auf {1,number,integer} Baumen sind {2,number} Affen pro Baum ", array(4560, 123, 4560/123)); ?> Example #2 OO example <?php echo MessageFormatter::formatMessage("en_US", "{0,number,integer} monkeys on {1,number,integer} trees make {2,number} monkeys per tree ", array(4560, 123, 4560/123)); echo MessageFormatter::formatMessage("de", "{0,number,integer} Affen auf {1,number,integer} Baumen sind {2,number} Affen pro Baum ", array(4560, 123, 4560/123)); ?> The above example will output: 4,560 monkeys on 123 trees make 37.073 monkeys per tree 4.560 Affen auf 123 Baumen sind 37,073 Affen pro Baum SEE ALSO
msgfmt_create(3), msgfmt_parse(3), msgfmt_get_error_code(3), msgfmt_get_error_message(3). PHP Documentation Group MSGFMT_FORMAT_MESSAGE(3)
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