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Top Forums Shell Programming and Scripting Multiplication of array elements Post 302924630 by ongoto on Tuesday 11th of November 2014 07:56:38 AM
Old 11-11-2014
and/or...
Code:
mult=1
for i
do
    mult=$((mult*i))
done
IFS="*"
echo "$@=$mult"

$ ./func 1 2 3 4 5 6 8
1*2*3*4*5*6*8=5760
 

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randtype(1)						      General Commands Manual						       randtype(1)

NAME
randtype - Output characters or lines at random intervals SYNOPSIS
randtype [ -l ] [ -d ,|.<string> [ -k ] ] [ -t <ms,mult> ] [ -w <string> [ -c ms,mult ] ] [ -r s1,s2[:...] ] [ -n <string> ] [ -q <int> ] [ -m <int> ] [ file ... ] DESCRIPTION
randtype reads input from either standard input or from a file and outputs each character or line at random intervals. If multiple files are specified, each is read in sequence. OPTIONS
randtype recognizes the following command line options: -c ms,mult For optional use with the -w option, this has the same microsecond and multiplier value format as the -t option. The default for this option is specified at compile time. -d string Output everything before (left) or after (right) the specified string immediately. The string must begin with either ',' or '.' which specifies the direction, left or right, respectively. -h Print a summary of the command line options and exit. -k Suppress output of the string specified by the dump string option. -l Output lines rather than characters. Only the -t and -q options are valid when using this option, all other options are ignored. -m int Generate random mistakes. The int value is how many times to compare and match the next character and a randomly generated charac- ter. -n chars Output the specified characters immediately with no random waiting. -r s1,s2[:...] Replace the string s1 with string s2. You can specify multiple replacements by separating them with a ':'. -q int Quit the program after this many seconds. -t ms,mult This option refines the random delay of output. The value of the argument is separated by a comma with the first argument being a microsecond and the second being a multiplier of a random number between 0 and the microsecond. A character-per-second effect can, for example, be made by setting the microsecond to 0 and the multiplier to 1000000. The default for this option is specified at com- pile time. -v Display version information and exit. -w chars The inverse of the -n option; this option waits on the specified characters. Use the -c option to refine the random delay of output. EXAMPLE
randtype -t 13,16000 -d ",*MAGIC*" -k -n '0ou' filename SEE ALSO
random(3), srandom(3), alarm(2), select(2) AUTHOR
This program was created by bjk <bjk@arbornet.org> and released under the terms of the GNU General Public License version 2 or later. randtype randtype(1)
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