Difference between revisions of "Bash if elif else fi"
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Bash If..elif..else..fi | Bash If..elif..else..fi | ||
| − | + | <source lang="bash"> | |
| − | + | if [ conditional expression1 ] | |
then | then | ||
statement1 | statement1 | ||
statement2 | statement2 | ||
| − | + | elif [ conditional expression2 ] | |
| − | + | ||
then | then | ||
statement3 | statement3 | ||
statement4 | statement4 | ||
| − | |||
| − | |||
| − | |||
else | else | ||
statement5 | statement5 | ||
| − | + | fi | |
| − | + | </source> | |
== example == | == example == | ||
| + | <source lang="bash"> | ||
if [ "$opt" = "some string" ]; then | if [ "$opt" = "some string" ]; then | ||
some_command | some_command | ||
fi | fi | ||
| − | + | </source> | |
OR example | OR example | ||
| − | + | <source lang="bash"> | |
| − | if [[ "$VARIABLE" == "something" || "$VARIABLE" == "else" ]]; then | + | if [[ "$VARIABLE" == "something" || "$VARIABLE" == "else" ]]; then |
some_command | some_command | ||
fi | fi | ||
| + | </source> | ||
| + | conditional based on string compare | ||
| + | |||
| + | if a variable contains a string... | ||
| + | <source lang="bash"> | ||
| + | string='foobar' | ||
| + | if [[ $string == *"bar"* ]]; then | ||
| + | echo "your bar is in my foo!" | ||
| + | fi | ||
| + | </source> | ||
Latest revision as of 13:18, 16 April 2021
Bash If..elif..else..fi
if [ conditional expression1 ] then statement1 statement2 elif [ conditional expression2 ] then statement3 statement4 else statement5 fi
example
if [ "$opt" = "some string" ]; then some_command fi
OR example
if [[ "$VARIABLE" == "something" || "$VARIABLE" == "else" ]]; then some_command fi
conditional based on string compare
if a variable contains a string...
string='foobar' if [[ $string == *"bar"* ]]; then echo "your bar is in my foo!" fi
