/Shell/Bash/Bash check if variable is number

Bash check if variable is number

Bash check if variable is number

re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
   echo "error: Not a number" >&2; exit 1
fi

1

Source: stackoverflow.com

Bash if is number

re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
   echo "error: Not a number" >&2; exit 1
fi

0

Source: stackoverflow.com

Similar codes

0 vote114 views1 answer
Bash create user with encrypted password
Shell/Bash
0 vote147 views1 answer
Vs code gith hub credentials aren't keep arch linux
Shell/Bash
16 votes125 views3 answers
Ufw inactive
Shell/Bash
0 vote124 views1 answer
Instalar Git en PowerShell
Shell/Bash
0 vote143 views2 answers
Git push default
Shell/Bash
4 votes172 views2 answers
Git delete last commit in remote
Shell/Bash
0 vote153 views1 answer
Show output after a keyword in shell script in a file
Shell/Bash
32 votes126 views2 answers
Install from tar gz file unix
Shell/Bash
1 vote113 views1 answer
Git how to push to different accounts
Shell/Bash
0 vote125 views2 answers
Search gitlab by ci property
Shell/Bash

Share