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Top Forums Shell Programming and Scripting If then else - Retry operation Post 302844733 by kcpoole on Tuesday 20th of August 2013 01:07:24 AM
Old 08-20-2013
If then else - Retry operation

I need to read a file line by line, then depending on the contents of each line, type in a code that will get written to an array.

The problem I have is when I ask the user to confirm the input code, if it is wrong, how do i Return to ask again?
Any thing I try increments the file to the next line where I need to retry the previous incorrectline.?

I cannot find any examples where aquestion asked but the fail mode os to go back and retry to original option. They all show do one thing or another, but not do one thing or retry.

Thanks
Ken

the contents of FILE.EXT
Code:
"D001","50M Run","50M"
"D003","100M Run","100M"
"D004","200M Run","200M"

My script to do the work
Code:
#!/bin/bash
# Put Values in an myarrayname and read them back
file="FILE.EXT"     # input filename

while read line ;do
      wardevent=${line:3:2}                        # find the wardells Event code 
      eventnam=$(echo $line | cut -d '"' -f4)        # Extract the event

read -p "Enter the code for the Center event $eventnam  - " mmevent </dev/tty

read -p "Is this Event Code correct? y/n " yes </dev/tty
    if [ "$yes" == "y" ]
        then myarrayname["$wardevent"]="$mmevent"    # Write new line to Array and Continue to next entry
        else exit                                    #Ask again to redo line
    fi 
done <"$file"

 

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Prophet::Test(3pm)					User Contributed Perl Documentation					Prophet::Test(3pm)

   set_editor($code)
       Sets the subroutine that Prophet should use instead of "Prophet::CLI::Command::edit_text" (as this routine invokes an interactive editor)
       to $code.

   set_editor_script SCRIPT
       Sets the editor that Proc::InvokeEditor uses.

       This should be a non-interactive script found in t/scripts.

   import_extra($class, $args)
   in_gladiator($code)
       Run the given code using Devel::Gladiator.

   repo_path_for($username)
       Returns a path on disk for where $username's replica is stored.

   repo_uri_for($username)
       Returns a file:// URI for $USERNAME'S replica (with the correct replica type prefix).

   replica_uuid
       Returns the UUID of the test replica.

   database_uuid
       Returns the UUID of the test database.

   replica_last_rev
       Returns the sequence number of the last change in the test replica.

   as_user($username, $coderef)
       Run this code block as $username.  This routine sets up the %ENV hash so that when we go looking for a repository, we get the user's repo.

   replica_uuid_for($username)
       Returns the UUID of the given user's test replica.

   database_uuid_for($username)
       Returns the UUID of the given user's test database.

   ok_added_revisions( { CODE }, $numbers_of_new_revisions, $msg)
       Checks that the given code block adds the given number of changes to the test replica. $msg is optional and will be printed with the test
       if given.

   serialize_conflict($conflict_obj)
       Returns a simple, serialized version of a Prophet::Conflict object suitable for comparison in tests.

       The serialized version is a hash reference containing the following keys:
	   meta => { original_source_uuid => 'source_replica_uuid' }
	   records => { 'record_uuid' =>
			  { change_type => 'type',
			    props => { propchange_name => { source_old => 'old_val',
							    source_new => 'new_val',
							    target_old => 'target_val',
							  }
				     }
			  },
			'another_record_uuid' =>
			  { change_type => 'type',
			    props => { propchange_name => { source_old => 'old_val',
							    source_new => 'new_val',
							    target_old => 'target_val',
							  }
				     }
			  },
		      }

   serialize_changeset($changeset_obj)
       Returns a simple, serialized version of a Prophet::ChangeSet object suitable for comparison in tests (a hash).

   run_command($command, @args)
       Run the given command with (optionally) the given args using a new Prophet::CLI object. Returns the standard output of that command in
       scalar form or, in array context, the STDOUT in scalar form *and* the STDERR in scalar form.

       Examples:

	   run_command('create', '--type=Foo');

   load_record($type, $uuid)
       Loads and returns a record object for the record with the given type and uuid.

   as_alice CODE, as_bob CODE, as_charlie CODE, as_david CODE
       Runs CODE as alice, bob, charlie or david.

perl v5.10.1							    2009-09-02							Prophet::Test(3pm)
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