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Top Forums Shell Programming and Scripting Blog-Thread: Creating a Shell Wrapper and Runtime Modifier (SWARM) Post 303045779 by sea on Monday 13th of April 2020 06:31:31 AM
Old 04-13-2020
Allthhough I havent had SWARM working for what feels like 2 weeks, I believe it's going to get alot more robust than any previous working versions.

This said, what always bothered me, was that which is not installed on systems by default, thus I had to work around it.
I used to do that by just call any expected app-name with the --help argument, figured, that it is not reliable.

So this time around, I wrote a which 'handler', if it isnt installed:
Code:
	swarm.util.which() { # COMMAND [CMD1 CMD2 ....]
	# Returns 'path/cmd' and true if COMMAND was found in PATH
	# This function is assigned to WHICH - IF no 'which' was found.
		swarm.protect "$FUNCNAME" "${@}" && exit 1
		# Get an arry
		local array=($($PRINTF "$PATH"|$SED s,':','\n',g))
		# Parse for args
		case $# in
		0)	swarm.util.usage swarm.util.which ;;
		1)	case "$1" in
			"-"|"--")
				while read cmd
				do
					$FUNCNAME "$cmd"
				done
				return 0
				;;		
			# *)	continue	;;
			esac
			;;
		*)	for arg in "${@}"
			do
				$FUNCNAME "$arg"
			done
			return 0
			;;
		esac
		# Parse for application
		for Arr in "${array[@]}"
		do
			[[ -f "$Arr/$1" ]] && \
				$PRINTF '%s\n' "$Arr/$1" && \
				return 0
		done
		return 1
	}

Further, I've written the edit function, which will open a different editor for GUI or TTY envornments.
Tough, still need to add language strings for the first time selection.

Hope I cant stay focused on cfg.set today.
Challenging part is to keep (or set) identions, force or remove quotes of the values and to force lower or upper case for the variable names.

cfg.get is working nice already Smilie
Code:
[~/prjs/SWARM] 1 $ time cfg.get ~/.bashrc PS1
[\w] \$? \\$ 

real	0m0.003s
user	0m0.003s
sys	0m0.001s
[~/prjs/SWARM] 0 $


And pick the select emulator, but for that I'd like to make a list function first.

Once that's done I'll focus on getting the init working again...
Though, I can not test most of the functions just yet, as SWARM is not working during the 'init procedure' change.

Runtime + Cross-Platform = Headache

Heading scripting now, happy easter and stay healthy

Last edited by sea; 04-14-2020 at 08:07 AM.. Reason: Commented out a wrong case statement
 

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