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Old

having fun with bash varaibles: indirect variable references

Posted 11-28-2009 at 01:38 PM by lumak (Lumak's Guide to Random Things)
Updated 11-28-2009 at 02:59 PM by lumak

Well I recently started messing around with bash scripts as cgi scripts and was wondering how to pass variables in and what not.

Well it turns out, Apache will define the variable $QUERY_STRING which will contain everything after the first question mark. You can then pars this string to define variables. The general format is "name1=val1&name2=val2". It turns out you can actually declare variables in bash using 'declare' and parameter expansion.

...
Attached Files
File Type: txt cgi_vars.txt (2.4 KB, 529 views)
Member
Views 7476 Comments 2 lumak is offline
Old

If - how to use

Posted 12-05-2008 at 02:27 AM by kshfi (Jukka's script corner)
Updated 12-07-2008 at 09:57 AM by kshfi
Tags bash, ksh

Programmers - shell if is command.

Code:
if command exit code is 0
then
    do something 1
    do something 2
fi
Ex.
Code:
if  cp fromfile tofile
then
   echo "Works fine"
else
   echo "Error ???"
fi
[ = test
You can write test or [

Code:
a=1
b=1
test "$a" = "$b"
echo $?
0

a=1
b=2
...
LQ Newbie
Views 1232 Comments 0 kshfi is offline

  



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