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Shell Programming and Scripting
Need help on C-shell script program
Post 302145608 by user_prady on Wednesday 14th of November 2007 08:04:56 PM
11-14-2007
Quote:
#!/bin/csh
# This program will add integers
#
#
# add integer1 ..
#
# Check for argument
if ($#argv == 0 ) then
echo "usage: add integers"
exit 1
else
set input = $argv[*]
endif
#
set sum = 0
foreach var ( $input )
@sum = $sum + $input
end
#
echo "The sum total of the integers is $sum"
#
exit 0
#
Hi I am trying to make a program that adds all integers that are input.
ex. add 2 sum = 2
add 2 4 10 sum = 16
This is what i have for code but i keep getting the error "add: syntax error at line 18: `(' unexpected". If anyone could help me fix it i would appreciate it.
# This program will add integers
#
#
# add integer1 ..
#
# Check for argument
if ($#argv == 0 ) then
echo "usage: add integers"
exit 1
else
set input = $argv[*]
endif
#
set sum = 0
foreach var ( $input )
@sum = $sum + $input
end
#
echo "The sum total of the integers is $sum"
#
exit 0
#
Hi I am trying to make a program that adds all integers that are input.
ex. add 2 sum = 2
add 2 4 10 sum = 16
This is what i have for code but i keep getting the error "add: syntax error at line 18: `(' unexpected". If anyone could help me fix it i would appreciate it.
https://www.unix.com/shell-programmin...ote-array.html
#!/bin/csh -f
echo 'enter a line'
set userline = $<
echo $userline
set sum = 0
foreach var ( $userline )
@sum += $var
end
echo "The sum total of the integers is $sum "
suppose you enter 3 4 5
it will give you 12
I am not sure !! is it helpful for you or not?
Quote:
Integer calculations can be performed by C shell, using C language-type operators. To assign a calculated value, the @ command is used.
So, here we are trying to calculate . so we need "@" command instead of "$"
User_prady
Last edited by user_prady; 11-16-2007 at 12:52 AM..
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LEARN ABOUT SUSE
sum
SUM(1) User Commands SUM(1) NAME
sum - checksum and count the blocks in a file SYNOPSIS
sum [OPTION]... [FILE]... DESCRIPTION
Print checksum and block counts for each FILE. -r use BSD sum algorithm, use 1K blocks -s, --sysv use System V sum algorithm, use 512 bytes blocks --help display this help and exit --version output version information and exit With no FILE, or when FILE is -, read standard input. AUTHOR
Written by Kayvan Aghaiepour and David MacKenzie. REPORTING BUGS
Report sum bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> COPYRIGHT
Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for sum is maintained as a Texinfo manual. If the info and sum programs are properly installed at your site, the command info coreutils 'sum invocation' should give you access to the complete manual. GNU coreutils 7.1 July 2010 SUM(1)