Basically i am given a number which is > 50 ..
I am suppose to find the calculation to get a number which is equal or more than the input number and is also a multiple of any number between 20 - 30 .
Again ... the key is that the number has to be a multiple of any number between 20 -30 and should be equal to or next highest number to the input number ....
I have to use the logic as part of a bigger script ...
hi all.
im using the awk command to search a file for a matching number.
lets say the numbers in the file are 4588281, 4588282 and 4588283.
my problem is when i search for 8, the three numbers above appear. I want to have it so that if i search for any number that is not matching EXACTLY... (2 Replies)
Develop a grade calculating program. This program will process all students in the file. This program should neatly display each field of each student's record *and* adds the following items: Course Average and Letter Grade. The course average is calculated by the following weights: 50% for quiz... (7 Replies)
hi,,
i have perl scipt with line :
system('./try.sh $t $d $m');
in shell scipt try.sh i have the line:
echo $1
its not printing value of $t that i hav passed..y is it so..i am running it from apache web server (2 Replies)
Hi Gurus,
I'm currently using HP-UX B.11.23.
I've a simple calculation script which performs the task below.
-> echo "240021344 / 1024 /1024" | bc
Output: 228
240021344 is KB value.
When I tried to perform the same calculate in Ms Excel, it produces a different result: 228.9021912.... (12 Replies)
i have a set of commands to be executed, which is working perfectly when executed from terminal line by line but when its put in a shell script its not working i.e its giving FileNotFoundException. how do i resolve it
my code is like
#!/bin/sh
pushd /Desktop/Solris_Installer/ROCore
jar xf... (4 Replies)
hi every body
this is my first thread in this forum, i hope find a solution for my problem
i have to write a script bt i still have some error and i don't know how to correct them
$ for i in `seq 500 505`; do ./generateur_tache $i tache$i.txt; nprocs=$i; copt$i=`cat tache$i.txt | ./copt.awk` ;... (10 Replies)
Hello,
Ubuntu server 11.10
can anybody help what is problem with my shell script?
#!/bin/bash
#script to find out currently logged on user is root or not.
if ]
then
echo "You are super"
else
echo "You are awesome!"
fi
When I run script, I get following output
./uid: line 3:
I... (4 Replies)
Hi
I am trying to calculate the rate at which something is happening.
I have 2 files- a1 and b1.
I want to calculate something like this
((wc -l a1)/(wc -l a1 + wc -l b1))*100 over a loop for different a and b.
Is this possible, help me out fellas.
Thanks a lot :) (5 Replies)
Hey everybody, I've been searching google and these forums and have found some solutions to the issues I've been having today within the OLD Bourne Shell. I am following chapter 6 of the Guide to Unix using Linux 4th Edition.
I am working on some basic calculations with variables in the BASH... (3 Replies)
Can such Puzzle solve through UNIX script? if yes, what could be the code?
This has been solve in C language. we were trying to solve this through shell but could not because of not able to pass 1st argument with multiple value. we are not expert in unix scripting. Below is the puzzle
John is a... (4 Replies)
Discussion started by: anshu ranjan
4 Replies
LEARN ABOUT CENTOS
shell-quote
SHELL-QUOTE(1) User Contributed Perl Documentation SHELL-QUOTE(1)NAME
shell-quote - quote arguments for safe use, unmodified in a shell command
SYNOPSIS
shell-quote [switch]... arg...
DESCRIPTION
shell-quote lets you pass arbitrary strings through the shell so that they won't be changed by the shell. This lets you process commands
or files with embedded white space or shell globbing characters safely. Here are a few examples.
EXAMPLES
ssh preserving args
When running a remote command with ssh, ssh doesn't preserve the separate arguments it receives. It just joins them with spaces and
passes them to "$SHELL -c". This doesn't work as intended:
ssh host touch 'hi there' # fails
It creates 2 files, hi and there. Instead, do this:
cmd=`shell-quote touch 'hi there'`
ssh host "$cmd"
This gives you just 1 file, hi there.
process find output
It's not ordinarily possible to process an arbitrary list of files output by find with a shell script. Anything you put in $IFS to
split up the output could legitimately be in a file's name. Here's how you can do it using shell-quote:
eval set -- `find -type f -print0 | xargs -0 shell-quote --`
debug shell scripts
shell-quote is better than echo for debugging shell scripts.
debug() {
[ -z "$debug" ] || shell-quote "debug:" "$@"
}
With echo you can't tell the difference between "debug 'foo bar'" and "debug foo bar", but with shell-quote you can.
save a command for later
shell-quote can be used to build up a shell command to run later. Say you want the user to be able to give you switches for a command
you're going to run. If you don't want the switches to be re-evaluated by the shell (which is usually a good idea, else there are
things the user can't pass through), you can do something like this:
user_switches=
while [ $# != 0 ]
do
case x$1 in
x--pass-through)
[ $# -gt 1 ] || die "need an argument for $1"
user_switches="$user_switches "`shell-quote -- "$2"`
shift;;
# process other switches
esac
shift
done
# later
eval "shell-quote some-command $user_switches my args"
OPTIONS --debug
Turn debugging on.
--help
Show the usage message and die.
--version
Show the version number and exit.
AVAILABILITY
The code is licensed under the GNU GPL. Check http://www.argon.org/~roderick/ or CPAN for updated versions.
AUTHOR
Roderick Schertler <roderick@argon.org>
perl v5.16.3 2010-06-11 SHELL-QUOTE(1)