learning shell args handing key=value example （2）

Shell args handing key=value example

【Purpose】

       Learning how to handing ker=value args

 

【Eevironment】

       Ubuntu 16.04 bash env

 

【Procdeure】

       Source code:

 # Script parameters handling  get left parameters and right value

 for i in "$@"; do
 if [[ $i == *=* ]]; then
 parameter=${i%%=*}
 value=${i##*=}
 display_alert "Command line: setting $parameter to" "${value:-(empty)}" "info"
 eval $parameter=$value
 fi
 done

Test method:

vmuser@vmuser-virtual-machine:~/panzidong/shell$ ./test-args-handing.sh test1=111 test2=2222 test3=
Command line: setting test1 to 111
Command line: setting test2 to 2222
Command line: setting test3 to (empty)