Bash script idea using cUrl -- possible? Post: 302399222

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Top Forums Shell Programming and Scripting Bash script idea using cUrl -- possible? Post 302399222 by SilversleevesX on Friday 26th of February 2010 06:09:58 PM

02-26-2010

Registered User

Bash script idea using cUrl -- possible?

I have an alias already in my .bash_profile to download files using cUrl's -o (output to file, user provides the file name) option. I find I'm using it quite a bit, so I wanted to write a script to run "curl -o", taking the necessary inputs - file name and URL from which to download - and then returning to a "parked" state like some python scripts I've seen do, ready to take in another filename and URL. The script should also, on reading a 'buzzword' (not "quit" -- that's too literal and it might be confused by the shell), put up one last echo and exit as normal.

Then my imagination kicked in and I started to wonder, also, if it wouldn't be possible to have the script log its own activity to an external file as soon as a download is complete, naming the file with the date and time created along with its own name or some generic 'tag' such as "curldl-activity-021810-223516H.txt", and keep logging to the same file until the exit word or phrase was entered.

I have a pretty firm idea of how to write the part of the script that takes in the name and URL and invokes cUrl to do the downloading. That would probably best be handled in a function, I'm thinking. I'm a bit sketchy on setting the conditional for an exit buzzword, and while I've written scripts and executed commands to send data to outside files, where to put such a command in this script is something I'm sure I've learned somewhere but can't recall, at any rate.

So again, here's me picking the brains of the gurus and asking for advice.

BZT

SilversleevesX

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INSTALLSIEVE(1) 					      General Commands Manual						   INSTALLSIEVE(1)

 *

NAME

       installsieve - user utility for managing sieve scripts

SYNOPSIS

       installsieve

DESCRIPTION

       installsieve is a utility that allows users to manage their sieve scripts kept on the server.

OPTIONS

       -v <name> View script with the given name. The script if retrieved sucessfully is output to standard output.

       -l  List  all  of  the scripts currently on the server. If one of the scripts is active a arrow is printed indicating that it is the active
       script.

       -p <port> Port to connect to. If left off this defaults to "sieve" as defined in /etc/services.

       -i <file> Install a file onto the server. If a script with the same name already exists on the server it is overwritten.  Upon  sucessfully
       putting	the  script on the server the script is set active. If <file> has the extension .script it is chopped when put on the server since
       sieve names may not contain a '.'.

       -a <name> Set <name> as the active script. The list of available names can be obtained from the '-l' option..

       -d <name> Delete the sieve script on the server with <name>.

       -m <mechanism> Force installsieve to use <mechanism> for authentication. If not specified the strongest authentication mechanism is chosen.

       -g <name> Get the sieve script with <name> and save it to disk with a ".script" extension. If a file with that name already  exists  it	is
       overwritten.

       -u <user> Userid/Authname to use for authentication; by default, the current user.

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								   Project Cyrus						   INSTALLSIEVE(1)