Various bash scripts that I've collected/written over the years

Bash_Scripts.md

Colored Output

This script shows how you can print out various things in color from BASH script.

#!/bin/bash

NORMAL=$(tput sgr0)
GREEN=$(tput setaf 2; tput bold)
YELLOW=$(tput setaf 3)
RED=$(tput setaf 1)

function error() {
        echo -e "$RED$*$NORMAL"
}

function warn() {
        echo -e "$YELLOW$*$NORMAL"
}

function debug() {
        if [[ $DEBUG ]]
        then
                echo -e "$GREEN>>>$*$NORMAL"
        fi
}

error "danger!"
warn "caution"
echo "normal"
DEBUG=true
debug "debug me"

Find duplicate files by MD5

find . -type f -exec md5 '{}' ';' | sort -k 4| uniq -f 3 -d | sed -e "s/.*(\(.*\)).*/\1/" | sort

colors.sh

#!/bin/bash

NORMAL=$(tput sgr0)
GREEN=$(tput setaf 2; tput bold)
YELLOW=$(tput setaf 3)
RED=$(tput setaf 1)

function error() {
        echo -e "$RED$*$NORMAL"
}

function warn() {
        echo -e "$YELLOW$*$NORMAL"
}

function debug() {
        if [[ $DEBUG ]]
        then
                echo -e "$GREEN>>>$*$NORMAL"
        fi
}

error "danger!"
warn "caution"
echo "normal"
DEBUG=true
debug "debug me"

find_class.sh

#!/bin/bash

if [ -z "$1" ]
then
	echo "missing class"
	exit 1
fi

echo ${1}
for file in `find . -type -f -name "*.jar"`
do
	if [ `grep -c $class $file` -gt 0]
		echo "\n"
		echo "Found in $file:"
		jar tf $file | grep $class
		echo "\n"
	fi
done

find_dup_files_by_md5.sh

find . -type f -exec md5 '{}' ';' | sort -k 4| uniq -f 3 -d | sed -e "s/.*(\(.*\)).*/\1/" | sort