Linux Bash Setting Var & Fallback Var Setting With User Input
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Linux Bash Setting Var & Fallback Var Setting With User Input
- Code:
#!/bin/bash
# Usage: ./if_blank.sh 100
#
var=("$@") # User Input
if [ "$var" = "" ] # Need spaces between brackets!
then : # do something
echo "Var Is Empty, Please Specify A Number"
read var
echo "Var Is Set To $var"
else
echo "Var Is Set To $var"
fi
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