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Top Forums UNIX for Beginners Questions & Answers Restore database improve code Post 303046011 by mustfirst on Tuesday 21st of April 2020 03:03:56 PM
Old 04-21-2020
Restore database improve code

let me know if you can suggest any improvement in my code. I think i have too many ECHO.


Code:
#! /bin/bash

DATABASE=$1
DATE=$2
MYLOGIN=/home/dbadmin/login_dev.ini
BKUP_FILE=/home/dbadmin/delete
DB_NAME=$DATABASE.sql.gz


DBEXISTS=$(mysql --defaults-extra-file=$MYLOGIN --batch --skip-column-names -e "SHOW DATABASES LIKE '"$DATABASE"';" | grep "$DATABASE" > /dev/null; echo "$?")


if [ $DBEXISTS -eq 0 ];then
    clear
	
	echo ".........................................................................."
	echo "$DATABASE already exists. Back up and drop $DATABASE before running restore_full_db.sh. Exiting..."
	echo ".........................................................................."
	echo ""
	echo ""
	
	exit
else 	

	if [ -f $BKUP_FILE/$DATE/$DB_NAME ] 
		then
		
			clear
		
			echo "$DB_NAME decompressed"
			echo ".........................................................................."
			gzip -d $BKUP_FILE/$DATE/$DB_NAME
			echo ""
			echo ""
			echo ""

			echo "$DATABASE created"
			echo ".........................................................................."
			mysql --defaults-extra-file=$MYLOGIN <<< "create database $DATABASE"
			echo ""
			echo ""
			echo ""

			echo "Data restoring in $DATABASE"
			echo ".........................................................................."
			mysql --defaults-extra-file=$MYLOGIN "$DATABASE" < "$BKUP_FILE/$DATE/$DATABASE.sql"
			echo ""
			echo ""
			echo ""
			echo "Data restored. Exit..."
			echo ""
			echo ""
			echo ""

		else
			
			echo ".........................................................................."
			echo "$DB_NAME file not found. Exiting..."
			echo ".........................................................................."
			echo ""
			echo ""
			
			exit
	fi

fi

Moderator's Comments:
Mod Comment
Code tags please.

Last edited by Peasant; 04-22-2020 at 01:17 AM..
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)
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