Mag Gam on 1 Sep 2007 04:40:51 -0000


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[PLUG] shell script help...

  • From: "Mag Gam" <magawake@gmail.com>
  • To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
  • Subject: [PLUG] shell script help...
  • Date: Sat, 1 Sep 2007 00:40:40 -0400
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I am in the process of writing a shell script to take history file (fc -l) and backup it up, while appending it.

My strategy is, once the user exits out of his shell, i will dump the history into a file by using a trap() with EXIT. The file will be appended by the username... (ie, username.history.date

My question is, if a user changes his shell from bash to ksh to tcsh, I am not able to get the output because I have my trap + exit to look at $SHELL.  Is there any way to disable a user to log into a different shell? 



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