Problem with bash shell script program

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Top Forums Shell Programming and Scripting Problem with bash shell script program
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Old 08-08-2011
@ravi san:
It was not me asking the question and you wrote what was said already.
Also what you wrote about cron was not gskumar1234's question at all. Please read the questions more carefully and try to answer more correct, thanks.

When running scripts via cron, you have to make sure, that the environment, paths etc. are available. Cron will not use the user's .profile etc.
You should use absolute paths in your cron scripts and export variables in it, that would be normally set in your .profile, .bashrc or any other environment setting file of your shell. Here is some more in depth explanation:
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RBASH(1)						      General Commands Manual							  RBASH(1)

rbash - restricted bash, see bash(1) RESTRICTED SHELL
If bash is started with the name rbash, or the -r option is supplied at invocation, the shell becomes restricted. A restricted shell is used to set up an environment more controlled than the standard shell. It behaves identically to bash with the exception that the follow- ing are disallowed or not performed: o changing directories with cd o setting or unsetting the values of SHELL, PATH, ENV, or BASH_ENV o specifying command names containing / o specifying a filename containing a / as an argument to the . builtin command o specifying a filename containing a slash as an argument to the -p option to the hash builtin command o importing function definitions from the shell environment at startup o parsing the value of SHELLOPTS from the shell environment at startup o redirecting output using the >, >|, <>, >&, &>, and >> redirection operators o using the exec builtin command to replace the shell with another command o adding or deleting builtin commands with the -f and -d options to the enable builtin command o using the enable builtin command to enable disabled shell builtins o specifying the -p option to the command builtin command o turning off restricted mode with set +r or set +o restricted. These restrictions are enforced after any startup files are read. When a command that is found to be a shell script is executed, rbash turns off any restrictions in the shell spawned to execute the script. SEE ALSO
bash(1) GNU Bash-4.0 2004 Apr 20 RBASH(1)