returnString(){
return $1
}
returnString $1
result=$?
echo "result=$result"
./testReturn hello ./testReturn 500 ./testReturn 12
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn hello ./testReturn: line 23: return: hello: numeric argument required result=255
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 500 result=244
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 12 result=12
result=""
returnString(){
result=$1
}
returnString $1
echo "result=$result"
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn hello result=hello aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 500 result=500 aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 12 result=12
returnString(){
local __result=$2
eval $__result=$1
}
returnString $1 result
echo "result=$result"
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn hello result=hello aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 500 result=500 aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 12 result=12
returnString(){
local __result=$1
echo $__result
}
# 或者 result=`returnString $1`
result=$(returnString $1)
echo "result=$result"
aven-mac-pro-2:avenwu.github.io aven$ ./testReturn hello result=hello aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 500 result=500 aven-mac-pro-2:avenwu.github.io aven$ ./testReturn 12 result=12
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