Back up shell script instance code

1. backup_run.sh Copy codeThe Code is as follows :#! /Bin/sh
# Backup_run
# Script to run the backups
# Loads in a setting file for the user to change
SOURCE =/home/bob/backup. defaults
Check_source ()
{
# Check_source
# Can we load the file
# Backup. defaults is the source file containing config/functions
# Make sure your path already des this directory you are runing from
If [-r $ SOURCE]; then
. $ SOURCE # load $ source
Else
Echo "'basename $ 0': cannot locate default file"
Exit 1
Fi
}
Header ()
{
# Header
USER = 'whoam'
MYDATE = 'date + % A "" % e "of" % B-% y'
Clear
Cat <HH
User: $ USER $ MYDATE
NETWORK SYSTEM BACKUP
==================================
HH
}
Change_settings ()
{
# Change_settings
# Let the user see the default settings ..
Header
Echo "Valid Entries Are ..."
Echo "Tape Device: rmt0, rmt1, rmt3"
Echo "Mail Admin: yes, no"
Echo "Backup Type: full, normal, sybase"
While:
Do
Echo-n-c "\ n Tape Device To Be Used For This Backup [$ _ DEVICE]:"
Read T_DEVICE
:$ {T_DEVICE :=$ _ DEVICE}
Case $ T_DEVICE in
Rmt0 | rmt1 | rmt3) break

*) Echo "The device are either... rmt0, rmt1, rmt3"

Esac
Done
# If the user hits return on any of the fields, the default value will be used
While:
Do
Echo-n "Mail Admin When Done [$ _ INFORM]:"
Read T_INFORM
:$ {T_INFORM :=$ _ INFORM}
Case $ T_INFORM in
Yes | Yes) break

No | No) break

*) Echo "The choices are yes, no"

Esac
Done
While:
Do
Echo-n "Backup Type [$ _ TYPE]:"
Read T_TYPE
:$ {T_TYPE: =$ _ TYPE}
Case $ T_TYPE in
Full | full) break

Normal | normal) break

Sybase | sybase) break

*) Echo "The choices are either... full, normal, sybase"
Esac
Done
# Re-assign the temp varialbes back to original variables that
# Were loaded in
_ DEVICE = $ T_DEVICE; _ INFORM = $ T_INFORM; _ TYPE = $ T_TYPE
}
Show_settings ()
{
# Display current settings
Cat <HH
Default Settings Are...
Tape Device To Be Used: $ _ DEVICE
Mail Admin When Done: $ _ INFORM
Type Of Backup: $ _ TYPE
Log File Of Backup: $ _ LOGFILE
HH
}
Get_code ()
{
# Users get 3 attempts at entering the correct code
# _ CODE is loaded in from the source file
Clear
Header
_ COUNTER = 0
Echo "you must enter the correct code to be able to change default settings"
While:
Do
_ COUNTER = 'expr $ _ COUNTER + 1'
Echo-n "Enter the code to change the settings :"
Read T_CODE
# Echo $ _ COUNTER
If ["$ T_CODE" = "$ _ CODE"]; then
Return 0
Else
If ["$ _ COUNTER"-gt 3]; then
Echo "Sorry incorrect code entered, you cannot change the settings ..."
Return 1
Fi
Fi
Done
}
Check_drive ()
{
# Make sure we can rewind the tape
Mt-f/dev/$ _ DEVICE rewind>/dev/null 2> & 1
If [$? -Ne 0]; then
Return 1
Else
Return 0
Fi
}
#==================================== Main ================= ========
# Can we source the file
Check_source
Header
# Display the loaded in variables
Show_settings
# Ask user if he/she wants to change any settings
If continue_prompt "Do you wish To Change Some of The System Defaults" "Y ";
Then
Echo $?
# Yes then enter code name
If get_code; then
# Change some settings
Change_settings
Fi
Fi
# ---------------- Got settings... now do backup
If check_drive; then
Echo "tape OK ..."
Else
Echo "Cannot rewind the tape .. Is it in the tape drive ??? "
Echo "check it out"
Exit 1
Fi
# File system paths to backup
Case $ _ TYPE in
Full | full)
BACKUP_PATH = "sybase syb/suppor etc var bin apps usr/local"

Normal | normal)
BACKUP_PATH = "etc var bin apps usr/local"

Sybase | sybase)
BACKUP_PATH = "sybase syb/suppor"

Esac
# Now for backup
Cd/
Echo "Now starting backup ......"
Find $ BACKUP_PATH-print | cpio-ovB-O/dev/$ _ DEVICE >>$ _ LOGFILE 2> & 1
# If the above cpio does not work on your system try cpio below, instead
# Find $ BACKUP_PATH-print | cpio-ovB>/dev/$ _ DEVICE >>$ _ LOGFILE 2> & 1
# To get more information on the tape change-ovB to-ovcC66536
If ["$ _ INFORM" = "yes"]; then
Echo "Backup finished check the log file" | mail admin
Fi

2. backup. defaultsCopy codeThe Code is as follows :#! /Bin/sh
# Backup. defaults
# Configuration default file for network backups
# Edit this file at your own
# Name backup. defaults
#--------------------------------------------
# Not necessary for the environments to be in quotes ..
_ CODE = "comet"
_ LOGFILE = "/appdva/backup/log. 'date + % y % m % d '"
_ DEVICE = "rmt0"
_ INFORM = "yes"
_ TYPE = "Full"
#---------------------------------------------
Continue_prompt ()
{
# Continue_prompt
# To call: continue_prompt "string to display" default_answer
_ STR = $1
_ DEFAULT = $2
# Check we have the right params
If [$ #-lt 1]; then
Echo "continue_prompt: I need a string to display"
Return 1
Fi
While:
Do
Echo-n "$ _ STR [Y .. N] [$ _ DEFAULT]:"
Read _ ANS
If ["$ _ ANS" = ""]; then
:$ {_ ANS: =$ _ DEFAULT}
Case $ _ ANS in
Y) return 0

N) return 1

Esac
Fi
# User has selected something
Case $ _ ANS in
Y | Y | Yes | YES)
Return 0

N | N | No | NO)
Return 1

*) Echo "Answer either Y or N, default is $ _ DEFAULT"

Esac
Echo $ _ ANS
Done
}

3. Run:Copy codeThe Code is as follows: $./backup_run.sh backup. defaults