92 lines
2.0 KiB
Bash
Executable File
92 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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cite about-plugin
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about-plugin '/etc/hosts based operations'
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___HOST_FILE="/etc/hosts"
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function ___hosts_add {
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local ENTRY=`grep "$2" $___HOST_FILE`
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if [[ $ENTRY != "" ]]
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then
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echo "Host "$2" already added"
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echo $ENTRY
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else
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echo "$1 $2" | sudo tee -a $___HOST_FILE > /dev/null
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echo "Added $1 $2 to hosts file"
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exit 1
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fi
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}
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function ___hosts_list {
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cat $___HOST_FILE
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}
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function ___hosts_remove {
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local ENTRY=`grep "$1" $___HOST_FILE`
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if [[ $ENTRY != "" ]]
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then
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DELETED=`grep -w -v $1 $___HOST_FILE`
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echo "$DELETED" | sudo tee $___HOST_FILE > /dev/null
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echo "Removed \""$ENTRY"\" from hosts file"
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else
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echo "Host "$1" not found"
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exit 1
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fi
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}
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function ___hosts_help {
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echo -e "usage: hosts [add|list|remove] ip_address host_name"
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echo
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echo -e "commands:"
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echo -e "\tadd\tMaps the hostname with ip and adds it to $___HOST_FILE"
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echo -e "\tlist\tList all the hostname and ip in $___HOST_FILE"
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echo -e "\tremove\tRemoved the entry from $___HOST_FILE based on host_name"
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echo
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echo -e "examples:"
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echo -e "\t$ host add 127.0.0.1 my_localhost"
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}
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# the validator function
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function ___hosts_validate {
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if [[ $1 == "" || $2 == "" ]]
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then
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return 0;
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else
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return 1;
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fi
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}
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function hosts {
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# entry point
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case $1 in
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"add")
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___hosts_validate $2 $3
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if [[ $? == 0 ]]
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then
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___hosts_help
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exit 1
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else
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___hosts_add $2 $3
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fi
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;;
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"list")
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___hosts_list
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;;
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"remove")
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___hosts_validate $2 "dummy" # sending dummy to verify only one argument
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if [[ $? == 0 ]]
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then
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___hosts_help
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exit 1
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else
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___hosts_remove $2
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fi
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;;
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*)
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___hosts_help
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;;
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esac
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} |