You can edit variable PS4 (default is a + )
#export PS4='[— Zeile: $LINENO —] ‘
naw I debug my Script
#sh -x ./test.sh
# sh -x ./test.sh
[— Zeile: 3 —] echo ‘Hello ,please give your name:’
Hello ,please give your name:
[— Zeile: 4 —] read name
Kraneis
[— Zeile: 5 —] echo ‘Hello Kraneis’
Hello Kraneis