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Top Forums UNIX for Dummies Questions & Answers Getting the character count of the last line Post 302739153 by birei on Monday 3rd of December 2012 03:45:58 PM
Old 12-03-2012
Hi MIA651,

One way using perl. It prints the file name, a colon and the number of characters in last line:
Code:
$ perl -lne 'if ( eof ) { printf qq|%s: %d\n|, $ARGV, length; }' *
3.txt: 12
AAAB.txt: 10
AAAC.txt: 26
file.data: 4

This User Gave Thanks to birei For This Post:
 

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FPRINTF(3)								 1								FPRINTF(3)

fprintf - Write a formatted string to a stream

SYNOPSIS
int fprintf (resource $handle, string $format, [mixed $args], [mixed $...]) DESCRIPTION
Write a string produced according to $format to the stream resource specified by $handle. PARAMETERS
o $handle -A file system pointer resource that is typically created using fopen(3). o $format - See sprintf(3) for a description of $format. o $args - o $... - RETURN VALUES
Returns the length of the string written. EXAMPLES
Example #1 fprintf(3): zero-padded integers <?php if (!($fp = fopen('date.txt', 'w'))) { return; } fprintf($fp, "%04d-%02d-%02d", $year, $month, $day); // will write the formatted ISO date to date.txt ?> Example #2 fprintf(3): formatting currency <?php if (!($fp = fopen('currency.txt', 'w'))) { return; } $money1 = 68.75; $money2 = 54.35; $money = $money1 + $money2; // echo $money will output "123.1"; $len = fprintf($fp, '%01.2f', $money); // will write "123.10" to currency.txt echo "wrote $len bytes to currency.txt"; // use the return value of fprintf to determine how many bytes we wrote ?> SEE ALSO
printf(3), sprintf(3), sscanf(3), fscanf(3), vsprintf(3), number_format(3). PHP Documentation Group FPRINTF(3)
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