Bash parameter count

# use $#

# say if you are expecting exactly 2 parameters
# -ne is bash's way of saying not equal
if [[ "$#" -ne 2 ]]; then
	echo "this script needs exactly 2 parameters"
    exit 1
 fi

Similar codes

0 vote132 views1 answer
Correct git commit message
Shell/Bash
0 vote138 views2 answers
Remove unused css styles
Shell/Bash
2 votes131 views1 answer
Uninstall wps office
Shell/Bash
-1 vote127 views1 answer
How to open terminal with terminal linux
Shell/Bash
13 votes149 views5 answers
Gulp install
Shell/Bash
4 votes145 views2 answers
Npm find peer dependencies
Shell/Bash
0 vote127 views1 answer
Vim count ocurrences
Shell/Bash
0 vote138 views1 answer
How to change branches in githup from terminal
Shell/Bash
0 vote139 views1 answer
Open prompt with default folder ubunut
Shell/Bash
1 vote144 views1 answer
Install i3-gaps ubuntu
Shell/Bash