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Top Forums Shell Programming and Scripting global date for many scripts in shell Post 302212312 by ajitabhpandey on Monday 7th of July 2008 06:53:11 AM
Old 07-07-2008
How are you calling the date.sh script from the other scripts? Can you please post that. I tried the following and it worked:

The following is the date.sh script. Please note that there is no export command in this:
Code:
#!/bin/sh
begin_date=`date +%Y_%m_%d_%H_%M_%S`

The following is prog1.sh where I want to use the begin_date variable. I have sourced the date.sh script in the prog1.sh script:

Code:
#!/bin/sh
# Source the date.sh script
. ./date.sh
echo $begin_date

Now when I execute prog1.sh as follows:

Code:
$ ./prog1.sh
2008_07_07_16_18_18

Just for clarification, the leading "." in line no 3 in prog1.sh is for sourcing a script within another script, and the ./date.sh is to specify that the date.sh is in the current directory (the same directory where the prog1.sh is located), if you have placed the date.sh in some other location such as /home/user01/comm_scripts, you can replace the ./ with the full path of the script.
 

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true(1) 						      General Commands Manual							   true(1)

NAME
true, false - Returns a standard exit value SYNOPSIS
true false STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: true: XCU5.0 false: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. DESCRIPTION
The true command returns a 0 (zero) exit value. The false command returns a nonzero exit value. These commands are usually used in input to shell commands. NOTES
The special built-in utility : (colon) is sometimes more efficient than the true command. EXIT STATUS
[Tru64 UNIX] The nonzero value returned by the false command may vary from system to system. EXAMPLES
To construct a loop in a shell procedure, enter: while true do date sleep 60 done This procedure displays the date and time once a minute. To stop it, press the Interrupt key sequence. SEE ALSO
Commands: csh(1), ksh(1), Bourne Shell sh(1b), POSIX shell sh(1p) Standards: standards(5) true(1)
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