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Top Forums Shell Programming and Scripting Issue with passing variable to Grep in a shell script Post 302550308 by racshot65 on Thursday 25th of August 2011 09:25:45 AM
Old 08-25-2011
Issue with passing variable to Grep in a shell script

Hi,

I'm trying to check if methods specified in a class have been added to the corrosponding interface.

My code below is giving me the following errors:

Code:
grep: function: No such file or directory
grep: import($zipfile): No such file or directory
grep: function: No such file or directory
grep: export($backup_file: No such file or directory
grep: =: No such file or directory
grep: null): No such file or directory

It looks like grep is trying to use the pattern I'm giving it as the file ? I'm not sure why though

I've made the line where I think the issue is bold

For reference these are the two lines in WorkingClass.txt

Code:
	public function import($zipfile) {
	public function export($backup_file = null) {

and these are the two lines in WorkingInterface.txt

Code:
    public function import($zipfile);
	public function export($backup_file = null);


Code:
#!/bin/bash
#set -x 

# Navigate to the model directory
cd `dirname $0`/../../webapp/_lib/model

#Get the number of lines in the class We need to pipe the output of WC to awk as it prints the name of the file also) 
classLength=$(wc -l WorkingClass.txt | awk '{print $1}')

# Variable to keep track of which line were on
counter=0

# Variable to track if we find the method in the interface
errors=false


#For each method in the class
while [ $classLength -ne $counter ]
do

# Method were looking for
methodToCheck=$(head -1 WorkingClass.txt)
methodToCheck=${methodToCheck/'{'/''}
#echo 'Looking for' $methodToCheck

#Check its in interface
grep -q $methodToCheck WorkingInterface.txt

#echo $?

if [ $? = "0" ]; then
	#remove the top line of working class and increment counter
	sed -i -e "1d" WorkingClass.txt
	#echo 'Found ' $methodToCheck 

else
	#echo $methodToCheck ' not present in ' $interfaceToCheck
	errors=true
	sed -i -e "1d" WorkingClass.txt
fi


#Get the next method
counter=`expr $counter + 1`


done

#echo 'Problems = ' $errors


Any idea how to fix the problem ?

Thanks Smilie

Last edited by pludi; 08-25-2011 at 11:04 AM..
 

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SYSPROFILE(8)						      System Manager's Manual						     SYSPROFILE(8)

NAME
sysprofile - modular centralized shell configuration DESCRIPTION
sysprofile is a generic approach to configure shell settings in a modular and centralized way mostly aimed at avoiding work for lazy sysad- mins. It has only been tested to work with the bash shell. It basically consists of the small /etc/sysprofile shell script which invokes other small shell scripts having a .bash suffix which are contained in the /etc/sysprofile.d/ directory. The system administrator can drop in any script he wants without any naming convention other than that the scripts need to have a .bash suffix to enable automagic sourcing by /etc/sysprofile. This mechanism is set up by inserting a small shell routine into /etc/profile for login shells and optionally into /etc/bashrc and/or /etc/bash.bashrc for non-login shells from where the actual /etc/sysprofile script is invoked: if [ -f /etc/sysprofile ]; then . /etc/sysprofile fi For using "sysprofile" under X11, one can source it in a similar way from /etc/X11/Xsession or your X display manager's Xsession file to provide the same shell environment as under the console in X11. See the example files in /usr/share/doc/sysprofile/ for illustration. For usage of terminal emulators with a non-login bash shell under X11, take care to enable sysprofile via /etc/bash.bashrc. If not set this way, your terminal emulators won't come up with the environment defined by the scripts in /etc/sysprofile.d/. Users not wanting /etc/sysprofile to be sourced for their environment can easily disable it's automatic mechanism. It can be disabled by simply creating an empty file called $HOME/.nosysprofile in the user's home directory using e.g. the touch(1) command. Any single configuration file in /etc/sysprofile.d/ can be overridden by any user by creating a private $HOME/.sysprofile.d/ directory which may contain a user's own version of any configuration file to be sourced instead of the system default. It's names have just to match exactly the system's default /etc/sysprofile.d/ configuration files. Empty versions of these files contained in the $HOME/.syspro- file.d/ directory automatically disable sourcing of the system wide version. Naturally, users can add and include their own private script inventions to be automagically executed by /etc/sysprofile at login time. OPTIONS
There are no options other than those dictated by shell conventions. Anything is defined within the configuration scripts themselves. SEE ALSO
The README files and configuration examples contained in /etc/sysprofile.d/ and the manual pages bash(1), xdm(1x), xdm.options(5), and wdm(1x). Recommended further reading is everything related with shell programming. If you need a similar mechanism for executing code at logout time check out the related package syslogout(8) which is a very close compan- ion to sysprofile. BUGS
sysprofile in its current form is mainly restricted to bash(1) syntax. In fact it is actually a rather embarrassing quick and dirty hack than anything else - but it works. It serves the practical need to enable a centralized bash configuration until something better becomes available. Your constructive criticism in making this into something better" is very welcome. Before i forget to mention it: we take patches... ;-) AUTHOR
sysprofile was developed by Paul Seelig <pseelig@debian.org> specifically for the Debian GNU/Linux system. Feel free to port it to and use it anywhere else under the conditions of either the GNU public license or the BSD license or both. Better yet, please help to make it into something more worthwhile than it currently is. SYSPROFILE(8)
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