/useful/trunk-1 : revision 21

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* added bash function libary.

added added

removed removed

#!/usr/bin/env bash

####

# FILE NAME useful.inc.sh

# PURPOSE

# This file provides usefule bash libary functions.

####

# Add the following to your script to be able to include it:

# __SCRIPT_ROOT=$(dirname $(readlink -f $0))

# source $__SCRIPT_ROOT/useful.inc.sh

####

# FUNCTION __silent

# PURPOSE

# Silent a run command.

# ARGUMENTS

# A command and it's arguments.

# RETURNS

# Exit code of command.

####

function __silent () {

$@ >> /dev/null 2>&1

return $?

}

####

# FUNCTION __find_tool

# PURPOSE

# checks if a tool (progam) exists.

# NOTE

# You need to specify "__SANITY=true" among your globals.

####

function __find_tool () {

__silent which $1

if [ $? -gt 0 ]; then

echo " Can't find tool \"${1}\"."

__SANITY=false

}