Difference between revisions of "Bash if elif else fi"
From thelinuxwiki
| Line 18: | Line 18: | ||
== 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 | ||
<nowiki> | <nowiki> | ||
| Line 31: | Line 32: | ||
if a variable contains a string... | if a variable contains a string... | ||
| − | + | <source lang="bash"> | |
string='foobar' | string='foobar' | ||
if [[ $string == *"bar"* ]]; then | if [[ $string == *"bar"* ]]; then | ||
echo "your bar is in my foo!" | echo "your bar is in my foo!" | ||
fi | fi | ||
| + | </source> | ||
Revision as of 13:16, 16 April 2021
Bash If..elif..else..fi
if [ conditional expression1 ] then statement1 statement2 . elif [ conditional expression2 ] then statement3 statement4 . . . else statement5 fi
example
if [ "$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
