Bash scripts to take incremental backups of your file and compare the current version of a file with the latest backed up version of the same file.

[Amit]

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Bash scripts to take incremental backups of your file and compare the
current version of a file with the latest backed up version of the
same file.
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mybackup.sh
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#!/bin/bash

# Author: Amit Choudhary
# Email: amitchoudhary0523 AT gmail DOT com

#
# Description: Bash script to take incremental backups of your file.
#
# NOTE: Change the location of 'backup_dir' as per your needs.
#
# Example usage: ./mybackup.sh myfile.c
#

backup_dir=~/backups

date=`date "+%Y-%m-%d-%H-%M-%S"`

set -x

cp $1 $backup_dir/$1.$date

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compare_file_with_lastest_backed_up_version.sh
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#!/bin/bash

# Author: Amit Choudhary
# Email: amitchoudhary0523 AT gmail DOT com

#
# Description: Bash script to compare the current version of a file with the
#              latest backed up version of the same file (the latest backed up
#              version of the file was made using the bash script -
#              'mybackup.sh').
#
# NOTE: Change the location of 'backup_dir' as per your needs.
#
# Example usage: ./compare_file_with_lastest_backed_up_version.sh myfile.c
#

backup_dir=~/backups

ls -tr -1 $backup_dir/$1.*

last=`ls -tr -1 $backup_dir/$1.* | tail -n 1`

echo

set -x

diff -u $last $1

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