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Top Forums UNIX for Beginners Questions & Answers Advise to print lines before and after patterh match and checking and removing duplicate files Post 303046170 by RudiC on Sunday 26th of April 2020 09:38:36 AM
Old 04-26-2020
Looks like /usr/xpg4/bin/grep works as expected; why not try /usr/xpg4/bin/awk, then?


For your other problem:
Remove the .log entry from filesdone upfront, with e.g. sed. Or do so with a "command substitution" when presenting filesdone to grep.

Should I have misunderstood, and you want .log to be excluded from processing: depending on what the shell version you deploy offers, you may want to give extended pattern matching a try. man bash:
Quote:
If the extglob shell option is enabled using the shopt builtin, several extended pattern matching operators are recognized.
Something like $DIR_PATH/alert_${sid}!(.log) might be successful.
 

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PRINT(3)								 1								  PRINT(3)

print - Output a string

SYNOPSIS
int print (string $arg) DESCRIPTION
Outputs $arg. print is not actually a real function (it is a language construct) so you are not required to use parentheses with its argument list. PARAMETERS
o $arg - The input data. RETURN VALUES
Returns 1, always. EXAMPLES
Example #1 print examples <?php print("Hello World"); print "print() also works without parentheses."; print "This spans multiple lines. The newlines will be output as well"; print "This spans multiple lines. The newlines will be output as well."; print "escaping characters is done "Like this"."; // You can use variables inside a print statement $foo = "foobar"; $bar = "barbaz"; print "foo is $foo"; // foo is foobar // You can also use arrays $bar = array("value" => "foo"); print "this is {$bar['value']} !"; // this is foo ! // Using single quotes will print the variable name, not the value print 'foo is $foo'; // foo is $foo // If you are not using any other characters, you can just print variables print $foo; // foobar print <<<END This uses the "here document" syntax to output multiple lines with $variable interpolation. Note that the here document terminator must appear on a line with just a semicolon no extra whitespace! END; ?> NOTES
Note Because this is a language construct and not a function, it cannot be called using variable functions. SEE ALSO
echo(3), printf(3), flush(3), Heredoc syntax. PHP Documentation Group PRINT(3)

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