myvesta/bin/v-list-sys-shells
2016-06-09 16:26:54 +03:00

80 lines
1.6 KiB
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Executable File

#!/bin/bash
# info: list system shells
# options: [FORMAT]
#
# The function for obtaining the list of system shells.
#----------------------------------------------------------#
# Variable&Function #
#----------------------------------------------------------#
# Argument definition
format=${1-shell}
# Includes
source $VESTA/func/main.sh
# JSON list function
json_list() {
sh_counter=$(echo "$shells" | wc -l)
i=1
echo '['
for shell in $shells; do
if [ "$i" -lt "$sh_counter" ]; then
echo -e "\t\"$shell\","
else
echo -e "\t\"$shell\""
fi
(( ++i))
done
echo "]"
}
# SHELL list function
shell_list() {
echo "SHELL"
echo "-----"
for shell in $shells; do
echo "$shell"
done
}
# PLAIN list function
plain_list() {
for shell in $shells; do
echo "$shell"
done
}
# CSV list function
csv_list() {
echo "SHELL"
for shell in $shells; do
echo "$shell"
done
}
#----------------------------------------------------------#
# Action #
#----------------------------------------------------------#
# Defining system shells
shells=$(grep -v '#' /etc/shells |awk -F '/' '{print $NF}' |sort -u)
# Listing data
case $format in
json) json_list ;;
plain) plain_list ;;
csv) csv_list ;;
shell) shell_list ;;
esac
#----------------------------------------------------------#
# Vesta #
#----------------------------------------------------------#
exit