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Check for empty variables

  • If you want to check for a empty bash variable you can do this like given here:

# if VAR is empty
if [ "x$VAR" == "x" ];then
...
fi
  • When $VAR is empty the Statement in the if-clause is true
bashscr/check_empty_var.txt · Last modified: 23.03.2013 18:25 by eanderalx