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@ericcholis

ericcholis/random-string

Created April 14, 2015 12:16
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  1. ericcholis created this gist Apr 14, 2015.
    49 changes: 49 additions & 0 deletions random-string
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,49 @@
    #!/usr/bin/env bash

    usage()
    {
    cat << EOF
    usage: random-string
    This script run the test1 or test2 over a machine.
    OPTIONS:
    -h Show this message
    -c Number of characters returned
    -s Number of random strings returned
    EOF
    }

    characters=32
    strings=1

    while getopts “hc:s:” OPTION
    do
    case $OPTION in
    h)
    usage
    exit 1
    ;;
    c)
    characters=$OPTARG
    ;;
    s)
    strings=$OPTARG
    ;;
    esac
    done

    i=1

    echo ""
    echo "Random Strings:"
    echo "--------------------------------------"

    while [[ $i -le $strings ]]
    do
    LC_CTYPE=C tr -dc A-Za-z0-9_\!\@\#\$\%\^\&\*\(\)-+= < /dev/urandom | head -c $characters | xargs

    ((i = i + 1))
    done

    echo ""