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Top Forums Shell Programming and Scripting IF $USER is not in this list of users, then do this Post 302362095 by cero on Thursday 15th of October 2009 03:34:07 AM
Old 10-15-2009
The one sided double brackets is a typo.
You should also use the -w flag if your grep supports it.

Code:
echo 'smitha, lucyb, johnk' | grep -qw ${USER}

This way user smith is not errornously recogized as valid.
 

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UGET-GTK(1)							   User Commands						       UGET-GTK(1)

NAME
uget-gtk - a download manager that uses gtk+2, and libcurl SYNOPSIS
uget-gtk [options] [URL] DESCRIPTION
Help Options: -?, --help Show help options. --help-all Show all help options. --help-gtk Show GTK+ Options Application Options: --quiet add download directly. Don't show dialog. --category-index=N add download to Nth category. (default -1) --folder=FOLDER placed download file in FOLDER. --filename=FILE set download filename to FILE. --user=USER set both ftp and http user to USER. --password=PASS set both ftp and http password to PASS. --proxy-type=N set proxy type to N. (0=Don't use) --proxy-host=HOST set proxy host to HOST. --proxy-port=PORT set proxy port to PORT. --proxy-user=USER set USER as proxy username. --proxy-password=PASS set PASS as proxy password. --http-user=USER set http user to USER. --http-password=PASS set http password to PASS. --http-referer=URL include `Referer: URL' header in HTTP request. --http-cookie-data=STRING load cookies from STRING. --http-cookie-file=FILE load cookies from FILE. --http-post-data=STRING use the POST method; send STRING as the data. --http-post-file=FILE use the POST method; send contents of FILE --ftp-user=USER set ftp user to USER. --ftp-password=PASS set ftp password to PASS. --display=DISPLAY X display to use AUTHOR
uget was written by Raymond Huang <plushuang at users.sourceforge.net>,and this manual page was originally written by Dennis Craven <dcraven@gmail.com> uget-gtk 1.4.9 July 2009 UGET-GTK(1)
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