Shell Scripting Functions, Case Statements, and While Loops
Function Exit Status Codes
Scripts use exit to define exit status codes and terminate executoin.
Functions use return to define exit status codes and terminate execution.
#!/bin/bash
# Function with conditional exit status
check_file() {
if [ -f "/etc/hosts" ]; then
echo "File exists"
else
return 2
...
Posted on Sat, 03 Oct 2026 16:17:55 +0000 by sayoko