oh-my-bash/lib/functions.sh

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Bash

#! bash oh-my-bash.module
function bash_stats() {
fc -l 1 | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n20
}
function uninstall_oh_my_bash() {
source "$OSH"/tools/uninstall.sh
}
function upgrade_oh_my_bash() {
source "$OSH"/tools/upgrade.sh
}
function take() {
mkdir -p "$1"
cd "$1" || exit
}
function open_command() {
local open_cmd
# define the open command
case "$OSTYPE" in
darwin*) open_cmd='open' ;;
cygwin*) open_cmd='cygstart' ;;
linux*) open_cmd='xdg-open' ;;
msys*) open_cmd='start ""' ;;
*) echo "Platform $OSTYPE not supported"
return 1
;;
esac
# don't use nohup on OSX
if [[ "$OSTYPE" == darwin* ]]; then
$open_cmd "$@" &>/dev/null
else
nohup $open_cmd "$@" &>/dev/null
fi
}
#
# Get the value of an alias.
#
# Arguments:
# 1. alias - The alias to get its value from
# STDOUT:
# The value of alias $1 (if it has one).
# Return value:
# 0 if the alias was found,
# 1 if it does not exist
#
if ((_omb_bash_version >= 40000)); then
function alias_value() {
[[ ${BASH_ALIASES[$1]+set} ]] && echo "${BASH_ALIASES[$1]}"
}
else
function alias_value() {
local value=
value=$(alias "$1" 2>/dev/null) && eval "value=${value#*=}" && echo "$value"
}
fi
#
# Try to get the value of an alias,
# otherwise return the input.
#
# Arguments:
# 1. alias - The alias to get its value from
# STDOUT:
# The value of alias $1, or $1 if there is no alias $1.
# Return value:
# Always 0
#
function try_alias_value() {
alias_value "$1" || echo "$1"
}
#
# Set variable "$1" to default value "$2" if "$1" is not yet defined.
#
# Arguments:
# 1. name - The variable to set
# 2. val - The default value
# Return value:
# 0 if the variable exists, 3 if it was set
#
function default() {
typeset -p "$1" &>/dev/null && return 0
typeset -g "$1"="$2" && return 3
}
#
# Set enviroment variable "$1" to default value "$2" if "$1" is not yet defined.
#
# Arguments:
# 1. name - The env variable to set
# 2. val - The default value
# Return value:
# 0 if the env variable exists, 3 if it was set
#
function env_default() {
env | grep -q "^$1=" && return 0
export "$1=$2" && return 3
}