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Full Discussion: Scripts dont give a consistent output..
Top Forums UNIX for Beginners Questions & Answers Scripts dont give a consistent output.. Post 302981375 by Scrutinizer on Sunday 11th of September 2016 02:50:37 PM
Old 09-11-2016
Quote:
Originally Posted by wisecracker
I did not quote that you are deleting the parent directory bit intend to delete 'WORKSPACE' inside the parent directory. That said I am looking at your "workspace_setup.sh"...
[code]if [ "$#" -ne "3" ]
then
echo -e "${RED}USAGE : script.sh WORKSPACE DATASET_PATH UTT_PATH${NC}"
exit 1
fi


if [[ $1 = "" ]]
then
echo -e "${RED}Missing Workspace name! - Provide a name!${NC}"
exit 1
fi
[..]/code]
Firstly '$1' can NEVER be NULL if """$2""" and """$3""" exist. They just shift places so that '$2' becomes '$1' and so on.
[..]
Note: here $1 is tested if it is the empty string. $1 CAN be the empty string, while $2 and $3 are not if we call the script like so:
Code:
./script "" value2 value3

or if IFS is set in a certain way..
This User Gave Thanks to Scrutinizer For This Post:
wisecracker
 

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LEARN ABOUT DEBIAN

update-gap-workspace

UPDATE-GAP-WORKSPACE(1) 					   User Commands					   UPDATE-GAP-WORKSPACE(1)

NAME

       update-gap-workspace - manage a GAP workspace.

SYNOPSIS

       update-gap-workspace

       update-gap-workspace update

	      Create or update the GAP workspace.

       update-gap-workspace delete

	      Delete the GAP workspace.

DESCRIPTION

       At  start  up,  GAP  load  all  libraries and packages available on the system.	This take several seconds. To save time, GAP can store the
       result of this initialisation in a `workspace'.	update-gap-workspace help to manage such workspaces.  update-gap-workspace can be  run	as
       root  to  manage  the  system-wide  workspace.	update-gap-workspace  can be run as a normal user. In this case the workspace is stored in
       $HOME/gap/workspace.gz.

       Note that you need to rebuild the workspace each time GAP packages are added, removed or updated. To automate that task, if the system-wide
       workspace exists, it is automatically updated whenever a GAP-related Debian package is installed or upgraded.

       The gap script will automatically load such workspace at start up.

FILES

       /var/lib/gap/workspace.gz:
	      The system-wide GAP workspace.
       $HOME/gap/workspace.gz:
	      The user-specific GAP workspace.

SEE ALSO

       gap(1), The `SaveWorkspace' function in the GAP manual.

AUTHOR

       Bill Allombert <ballombe@debian.org>

NOTES

       We  are	considering  enabling the system-wide workspace per default, though this feature could be too confusing for old-time GAP users. If
       you have opinions about it, please mail <gap@packages.debian.org>.

Debian								     July 2003						   UPDATE-GAP-WORKSPACE(1)
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