Bash scripts for taking backups of files and comparing the current file with the latest backed up version of the file.

[Amit]

Bash scripts for taking backups of files and comparing the current
file with the latest backed up version of the file.

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mybackup.sh
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#!/bin/bash

backup_dir=~/backups

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

set -x

cp $1 $backup_dir/$1.$date
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Example usage: mybackup.sh myfile.c

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compare_file_with_lastest_backed_up_version.sh
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#!/bin/bash

ls -tr -1 ~/backups/$1.*

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

echo

set -x

diff -u $last $1
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Example usage: compare_file_with_lastest_backed_up_version.sh myfile.c

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