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UNIX for Dummies Questions & Answers
Problems passing strings within an array
Post 302782381 by Corona688 on Monday 18th of March 2013 04:35:25 PM
03-18-2013
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Is it possible to pass a string as an argument from the command line?
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Hi,
In directory "inoutfiles", I have folders fold0001, fold0002 and so on. Every folder has corresponding file file0001.txt, file0002.txt and so on. I want to perform a certain action on multiple files in one go. The cpp file is in the same directory as "inoutfiles".
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Good grief so this should be easy. Passing an array as an argument to a function. Here is the sample code:
#/bin/bash
function foo {
local p1=${1}
local p2=(${2})
local p3=${3}
echo p1 is $p1
echo p2 is $p2
echo p3 is $p3
}
d1=data1
d2=data2
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LEARN ABOUT OSF1
killall
killall(8) System Manager's Manual killall(8) NAME
killall - Terminates all processes started by the user, except the calling process SYNOPSIS
/usr/sbin/killall [- | [-]signal_name | -signal_number] /usr/sbin/killall -l FLAGS
The hyphen character (without an argument) sends a SIGTERM signal initially and then sends a SIGKILL signal to all processes that survive for 30 seconds after receipt of the first signal. This gives processes that catch the SIGTERM signal an opportunity to clean up. A signal name, optionally preceded by a hyphen, sends the specified signal to processes. The hyphen character (with a signal number argument) sends the specified signal, either a name, stripped of the SIG prefix (such as KILL), or a number (such as 9). For information about signal names and numbers, see the signal() system call. In the System V habitat, the optional signal number does not have to be preceded with a hyphen (-). Lists signal names in numerical order (as given in the /usr/include/signal.h file), stripped of the common SIG prefix. DESCRIPTION
This command provides a convenient means of killing all processes created by the shell that you control. When started by the superuser, the killall command kills all processes that can be terminated, except those processes that started it, the kernel processes, and processes 0 and 1 (init). Security Configuration This command is modified in all security configurations of the system. EXAMPLES
To stop all background processes that have started, enter: killall This sends all background processes signal 9 (the kill signal, also called SIGKILL). To stop all background processes, giving them a chance to clean up, enter: killall - This sends signal 15 (SIGTERM), waits 30 seconds, and then sends signal 9 (SIGKILL). To send a specific signal to the background processes, enter: killall -2 This sends signal 2 (SIGINT) to the background processes. To list the signal names in numerical order, stripped of the SIG prefix, enter: killall -l This displays a list of signals, which may vary from system to system. FILES
Specifies the command path RELATED INFORMATION
Calls: kill(2), sigaction(2), signal(2) delim off killall(8)