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Top Forums UNIX for Beginners Questions & Answers While do statement with replacement Post 302997868 by xbin on Sunday 21st of May 2017 01:16:54 PM
Old 05-21-2017
Single bracket test matches strings not patterns. Use a case statement which allows pattern matching.
Code:
case $col2 in
    */*)   do stuff
             do more stuff
             ;;

    *\"*)  do stuff
              do more stuff
             ;;
esac


Last edited by xbin; 05-21-2017 at 02:49 PM..
 

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SAFE_FINGER(8)						     Linux Programmer's Manual						    SAFE_FINGER(8)

NAME
safe_finger - finger client wrapper that protects against nasty stuff from finger servers SYNOPSIS
safe_finger [finger_options] DESCRIPTION
The safe_finger command protects against nasty stuff from finger servers. Use this program for automatic reverse finger probes from the tcp_wrapper (tcpd) , not the raw finger command. The safe_finger command makes sure that the finger client is not run with root privileges. It also runs the finger client with a defined PATH environment. safe_finger will also protect you from problems caused by the output of some finger servers. The problem: some programs may react to stuff in the first column. Other programs may get upset by thrash anywhere on a line. File systems may fill up as the finger server keeps sending data. Text editors may bomb out on extremely long lines. The finger server may take forever because it is somehow wedged. safe_finger takes care of all this badness. SEE ALSO
hosts_access(5), hosts_options(5), tcpd(8) AUTHOR
Wietse Venema, Eindhoven University of Technology, The Netherlands. Linux 21th June 1997 SAFE_FINGER(8)
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