Warning! I'm ridiculously new at all this, so pardon my ignorance...
I have a very simple script which is intended to search a hosts file when given a partial hostanme or ip address. The if the partial hostname/ip given is unique, the script automatically logs the user in to that host. If there are multiple matches, a numerical list of all matches is presented as a menu. Selecting the number that represents the intended host then logs the user in.
The script works like a charm if the results (the menu) only shows the host name or the ip address. I want it to show both. However, when it shows both, the login fails.
The menu portion of the script is as follows:
Code:
ip=$1
test=$(cat /etc/hosts | grep -c $ip)
if [ $test -eq 1 ]; then
clogin `awk '/'"$ip"'/ {print $2}' /etc/hosts `
else
options=$"`awk '/'"$ip"'/ {print $1 "--" $2}' /etc/hosts`"
echo
echo "There were $test matches for '$ip' found"
echo
echo "Please select the site you would like to login to:"
echo
select opt in $options;do
echo " "
clogin $opt
exit 1
done
When run, the result is as expected:
Code:
./test springs
There were 3 matches for 'springs' found
Please select the site you would like to login to:
1) 10.1.1.2--hostname_with_springs1
2) 10.1.1.3--hostname_with_springs2
3) 10.1.1.4--hostname_with_springs3
Of course, then, selecting any of those fails because of the dashes. The menu is delimted via white-space so, having any spaces between the IP and hostname would create a menu selection for each (giving six matches to the above query).
How can I have my cake and eat it too?
Thank you in advance for any help on this!
Last edited by Scott; 01-31-2011 at 11:21 PM..
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Discussion started by: biljana
5 Replies
LEARN ABOUT DEBIAN
cg
CG(1)CG(1)NAME
cg - Recursively grep for a pattern and store it.
SYNOPSIS
cg [ -l ] | [ [ -i ] pattern [ files ] ]
DESCRIPTION
cg does a search though text files (usually source code) recursively for a pattern, storing matches and displaying the output in a human-
readable fashion. It is intended to give some of the functionaly of AT&T's cscope(1) tool, with the advantages of simplicity and not being
language-specific. The script will colorize output if configured as such.
It is typically run with a Perl regular expression to search for. The search can be made case insensitive by using the -i option. A list
of files may also be specified with an additional argument after the pattern. Put the files pattern in quotes to make it be matched by
Perl rather than by the shell. Running the script with no arguments will recall the results of the previous search. After the search,
entries found can be edited using the vg(1) script. The -l option shows the last log made.
SOME EXAMPLES
cg - alone recalls the previous search results.
cg -i pattern - search the default list of files for all files matching the pattern (and case-insensitively).
cg pattern '*.c' - search recursively for pattern in all *.c files. This automatically converts '*' to '.*' and '.' to '.' for you and
does a Perl pattern match on all files in the tree.
cg pattern *.c - search through the shell-expanded list of *.c files, so not done recursively (in other words, only the files your shell
pass to the script as arguments).
cg -l - show the last log made.
COMMAND-LINE OPTIONS-i Do a case-insensitive search.
-l Show the last log made.
-p Toggle the default pager option. cg has a bulit-in pager function, which can be enabled or disabled by default (in .cgvgrc). If the
default is enabled, this option disables the pager; if the default is disabled, this option enables it.
-P Force the built-in pager to be disabled.
FILES
${HOME}/.cglast
Log file of the last search.
${HOME}/.cgvgrc
Per-user configuration file (if the defaults are not desireable).
${HOME}/.cgvg/*
Log files in $HOSTNAME.shell_pid form with the log of the last search.
SEE ALSO vg(1), perl(1), find(1), grep(1), cscope(1)AUTHOR
cg was written by Joshua Uziel <uzi@uzix.org>.
13 Mar 2002 CG(1)
01-31-2011
