/
common_bash_functions.sh
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/
common_bash_functions.sh
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#!/bin/bash
################################################################################
#CONSTANTS
################################################################################
RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m' # No Color
################################################################################
#FUNCTIONS
################################################################################
function red_text(){ #string
echo -e "\e[0;31m""$1""\e[0m"
}
function green_text(){ #string
echo -e "\e[0;32m""$1""\e[0m"
}
function bold_text(){
echo -e "\e[1m""$1""\e[0m"
}
function Selector(){ #CONTENTSTRING $CONTENTARRAY
#simple function to give you selection menu
#with minor error checking.
local INITVAL=0
unset X
while [[ $X != 1 ]]; do
local ARRAYINDEX=$INITVAL
echo -e $1
for i in ${!2}; do
local ARRAYINDEX=$[$ARRAYINDEX+1]
echo $ARRAYINDEX - $i
done
echo -e "\nPlease select the appropriate numeric option."
read INPUT
local LOCALINPUT=$INPUT
unset INPUT
if [[ $LOCALINPUT -gt $INITVAL ]] && [[ $LOCALINPUT -le $ARRAYINDEX ]]; then X=1
else red_text "Please select a valid option.\n"; fi
done
local LOCALINPUT=$[$LOCALINPUT-1] #the array starts at 0, so we have to account for that.
return $LOCALINPUT
}
function CheckDependency(){ #PROGRAMNAME
local EXITVAL=1
echo -e "Checking Dependencies..."
for i in $@; do
which $i > /dev/null
if [[ $? != 0 ]]; then
red_text "You do not have $i installed.\n"
local MISSINGDEP=1
fi
done
#this is convoluted, but it the return value should always start as a fail
#and becomes positive.
if [[ $MISSINGDEP != 1 ]]; then
local EXITVAL=0
echo -e "Dependencies met."
fi
if [[ $EXITVAL == 1 ]]; then
echo -e "Please fix the missing dependencies\n"
red_text "The script will now exit."
exit
fi
}
function HTMLMakeIndex(){ #$FULLINDEXPATH
echo "<html>" > $1
echo -e "\t<body>" >> $1
}
function HTMLTableOpen(){ #$FULLINDEXPATH
echo -e "\t\t<table>" >> $1
}
function HTMLHeading(){ #$FULLINDEXPATH $CONTENT
echo -e "\t\t<h1>$2</h1>" >> $1
}
function HTMLParagraph(){ #$FULLINDEXPATH $CONTENT
echo -e "\t\t<p>$2</p>" >> $1
}
function HTMLTableClose(){ #$FULLINDEXPATH
echo -e "\t\t</table>" >> $1
}
function HTMLTableRow(){ #$FULLINDEXPATH $CONTENTTITLE $CONTENTS
#creates a table row
echo -e "\t\t\t<tr>" >> $1
echo -e "\t\t\t\t<td>$2</td>" >> $1
echo -e "\t\t\t\t<td>$3</td>" >> $1
echo -e "\t\t\t</tr>" >> $1
}
function HTMLCloseIndex(){ #$FULLINDEXPATH
echo -e "\t</body>" >> $1
echo "</html>" >> $1
}
function ReadIsInt(){ #INPUT
local X=1
if [[ $1 =~ ^-?[0-9]+$ ]]; then local X=0;
else
red_text "Please enter a number."
echo "Press any key to continue..."
read
clear
fi
return $X
}
function UsageInstructions(){ #ARGS #EXPECTEDARGS #WELCOMETEXT #EXPECTEDARGNAMES
#Quick and dirty check to ensure the script is at least provided
#with the right number of arguments.
if [[ $1 != $2 ]]; then
echo "Usage: $0 $4"
exit
else
bold_text $3
fi
}
################################################################################
#USAGE EXAMPLES
################################################################################
#red_text "hello world"
#green_text "hello world"
###Selection Screen
#IFS=$'\n'
#STR="Test string"
#ARR[${#ARR[@]}]="array value 1"
#ARR[${#ARR[@]}]="array value 2"
#Selector $STR ARR[@]
###Dependency Checker.
#PROGRAM="/bin/bash0r"
#PROGRAM[${#PROGRAM[@]}]="/bin/bash9r"
#PROGRAM[${#PROGRAM[@]}]="/bin/bash"
#CheckDependency ${PROGRAM[@]}
#UsageInstructions $# 1 "this is my program" '$INCIDENT $ANALYST $DATE'