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Full Discussion: Storing a variable?
Top Forums Shell Programming and Scripting Storing a variable? Post 302161887 by hoover90 on Saturday 26th of January 2008 08:03:40 PM
Old 01-26-2008
Alright, everything you suggested works except for writing $DATE to .last_date. From bash, I can use the same command format (replacing $DATE with $(date +%d%b%y_%k.%M.%S), or just echo "asdfqwer1234blahblah" > .last_date), but it will not write $DATE to .last_date when the script is executed.

Code:
#!/bin/bash

read LASTDATE < .last_date
DATE=$(date +%d%b%y_%k.%M.%S)

cd /web/.hhome/mysql.backup/data
mysqldump -ubackup -ppassword --databases db1 db2 db3 > $DATE.backup.sql

gzip -9 $DATE.backup.sql
crypt asdfqwer1234 < $DATE.backup.sql.gz > $DATE.backup.sql.enc.gz
rm -rf $DATE.backup.sql.gz

ftp -inv ftp.somehost.com<<ENDFTP
user hoover90 password
del $LASTDATE.backup.sql.enc.gz
put $DATE.backup.sql.enc.gz
bye
ENDFTP

echo $DATE > .last_date

 

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DATE(1) 						      General Commands Manual							   DATE(1)

NAME
date - print or set the date and time SYNOPSIS
date [-qsu] [[MMDDYY]hhmm[ss]] [+format] OPTIONS
-q Read the date from stdin -s Set the time (implicit for -q or a date string) -u Print the date as GMT -t Use this number of seconds instead of current time EXAMPLES
date # Print the date and time date 0221921610 # Set date to Feb 21, 1992 at 4:10 p.m. DESCRIPTION
With the -q flag or a numeric argument, date sets the GMT time and date. MMDDYY refers to the month, day, and year; hhmmss refers to the hour, minute and second. Each of the six fields must be exactly two digits, no more and no less. date always display the date and time, with the default format for the system. The -u flag request GMT time instead of local time. A format may be specified with a + followed by a printf-like string with the following options: %% % character %A Name of the day %B Name of the month %D mm/dd/yy %H Decimal hour on 2 digits %I Decimal hour modulo 12 on 2 digits %M Decimal minute on 2 digits %S Decimal seconds on 2 digits %T HH:MM:SS %U Decimal week number, Sunday being first day of week %W Decimal week number, Monday being first day of week %X Same as %T %Y Decimal year on 4 digits %Z Time Zone (if any) %a Abbreviated name of the day %b Abbreviated name of the month %c Appropriate date & time (default format) %d Decimal day of the month on 2 digits %e Same as %d, but a space replaces leading 0 %h Same as %b %j Decimal dey of the year on 3 digits %m Decimal month on 2 digits %n Newline character %p AM or PM %r 12-hour clock time with AM/PM %s Number of seconds since the epoch %t Tab character %w Decimal day of the week (0=Sunday) %x Same as %D %y Decimal year on 2 digits SEE ALSO
time(2), ctime(3), readclock(8). DATE(1)
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