20 lines
342 B
Bash
Executable File
20 lines
342 B
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
trim() {
|
|
local var="$*"
|
|
var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
|
|
var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
|
|
echo -n "$var"
|
|
}
|
|
|
|
var=" - Hallo Welt - "
|
|
|
|
echo ""
|
|
echo " |${var}|"
|
|
|
|
var="$(trim $var)"
|
|
echo " |${var}|"
|
|
|
|
echo ""
|
|
exit 0
|