Difference between revisions of "OPS435 Lecture 6 - Bash"
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Today we looked at funtictions in bash. TLDP has a [http://tldp.org/LDP/abs/html/functions.html nice tutorial]. | Today we looked at funtictions in bash. TLDP has a [http://tldp.org/LDP/abs/html/functions.html nice tutorial]. | ||
| + | |||
| + | In-class example: | ||
| + | |||
| + | <source lang="bash">#!/bin/bash | ||
| + | |||
| + | printServiceStatus() | ||
| + | { | ||
| + | if status $1 2>/dev/null | grep 'start/running' > /dev/null | ||
| + | then | ||
| + | echo "The service is running" | ||
| + | else | ||
| + | echo "The service is not running" | ||
| + | fi | ||
| + | } | ||
| + | |||
| + | echo -n "Please enter service name:" | ||
| + | read SERVICENAME | ||
| + | |||
| + | printServiceStatus $SERVICENAME</source> | ||
Latest revision as of 13:41, 22 August 2017
Today we looked at funtictions in bash. TLDP has a nice tutorial.
In-class example:
#!/bin/bash
printServiceStatus()
{
if status $1 2>/dev/null | grep 'start/running' > /dev/null
then
echo "The service is running"
else
echo "The service is not running"
fi
}
echo -n "Please enter service name:"
read SERVICENAME
printServiceStatus $SERVICENAME