Add bashparam

bashcols

@@ -1,6 +1,6 @@
-#!/bin/bash
+# vim: syntax=bash:
 
-eval "reset_esc=\"\\e[0m\""
+reset_esc='\e[0m'
 
 # applies the given color id, executes the command, then resets the color
 function colout() {
@@ -9,9 +9,9 @@ function colout() {
 		return
 	fi
 
-	local color=$1
+	local color="$1"
 	shift
-	tput setaf $color
+	tput setaf "$color"
 	"$@"
 	tput sgr0
 }
@@ -37,7 +37,7 @@ function defcol() {
 function dispcollist() {
 	local width=${1:-16}
 	local idx=0
-	for colid in `seq 1 256`; do
+	for colid in {1..256}; do
 		colout $colid printf "%3s " $colid
 		idx=$(($idx+1))	
 		if [[ $(($idx % $width)) -eq 0 ]]; then
@@ -49,24 +49,24 @@ function dispcollist() {
 function colthis {
 	local name="$1"
 	shift
-	eval "printf \"\${${name}_esc}$@$reset_esc\""
+	eval "printf \"%s\" \"\${${name}_esc}$@$reset_esc\""
 }
 
 # default colors
-defcol red	1
-defcol green	2
-defcol brown	3
-defcol blue	4
-defcol magenta	5
-defcol cyan	6
-defcol white	7
-defcol grey	8
-defcol redl	9
-defcol greenl	10
-defcol yellow	11
-defcol bluel	12
-defcol magenta	13
-defcol cyanl	14
-defcol whitel	15
-defcol black	16
+defcol red      1
+defcol green    2
+defcol brown    3
+defcol blue     4
+defcol magenta  5
+defcol cyan     6
+defcol white    7
+defcol grey     8
+defcol redl     9
+defcol greenl   10
+defcol yellow   11
+defcol bluel    12
+defcol magenta  13
+defcol cyanl    14
+defcol whitel   15
+defcol black    16
 

bashparam

@@ -0,0 +1,22 @@
+#!/usr/bin/bash
+
+declare -A __params
+
+function has_param {
+	[[ -z ${__params[$1]} ]]
+}
+
+function get_param {
+	echo "${__params[$1]}"
+}
+
+# set_param <longname> <value>
+function set_param {
+	if [[ -z $2 ]]; then
+		>&2 echo "${FUNCNAME}: non-zero value expected"
+		return 1
+	fi
+	$__params[${1:2}]=${2}
+}
+
+

bashutils

@@ -0,0 +1,16 @@
+#!/hint/bash
+
+function shasum {
+	command shasum <<<"$1" | awk '{ print $1 }'
+}
+
+# once <command>
+function once {
+	local flagname="__onceflag_$(shasum "$*")"
+	if [[ -z ${!flagname} ]]; then
+		declare -g "${flagname}"=1
+		"$@"
+	fi
+}
+
+