From: Steven Baltakatei Sandoval Date: Thu, 2 Jul 2020 00:16:47 +0000 (+0000) Subject: feat(unitproc):Add function writeArg for writing Bash vars to disk X-Git-Tag: 0.2.0~14 X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/commitdiff_plain/e81d4d96b54cf9462fc705ac3ee188fcb6a61f5a?ds=inline feat(unitproc):Add function writeArg for writing Bash vars to disk --- diff --git a/unitproc/bktemp-writeArg b/unitproc/bktemp-writeArg new file mode 100644 index 0000000..56936ea --- /dev/null +++ b/unitproc/bktemp-writeArg @@ -0,0 +1,45 @@ +#!/bin/bash + +# Desc: Template function to write data supplied as argument + +yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370 +die() { yell "$*"; exit 111; } +try() { "$@" || die "cannot $*"; } +writeArg(){ + # Desc: Writes first argument with subsequent arguments as options + # Usage: writeArg "$(echo "Data to be written.")" [output path] ([cmd1] [cmd2] [cmd3] [cmd4]...) + # Input: arg1: data to be written + # arg2: output path + # arg3+: command strings (ex: "gpsbabel -i nmea -f - -o kml -F - ") + # Output: file written to disk + # Example: decrypt multiple large files in parallel + # writeArg "$(cat /tmp/largefile1.gpg)" /tmp/largefile1 "gpg --decrypt" & + # writeArg "$(cat /tmp/largefile2.gpg)" /tmp/largefile2 "gpg --decrypt" & + # writeArg "$(cat /tmp/largefile3.gpg)" /tmp/largefile3 "gpg --decrypt" & + # Depends: bash 5 + + # Set command strings + if ! [ -z "$3" ]; then CMD1="$3"; else CMD1="tee /dev/null "; fi # command string 1 + if ! [ -z "$4" ]; then CMD2="$4"; else CMD2="tee /dev/null "; fi # command string 2 + if ! [ -z "$5" ]; then CMD3="$5"; else CMD3="tee /dev/null "; fi # command string 3 + if ! [ -z "$6" ]; then CMD4="$6"; else CMD4="tee /dev/null "; fi # command string 4 + + # Debug + yell "CMD1:$CMD1" + yell "CMD2:$CMD2" + yell "CMD3:$CMD3" + yell "CMD4:$CMD4" + # Write + echo "$1" | $CMD1 | $CMD2 | $CMD3 | $CMD4 > "$2"; + +} # Get duration (ex: PT10M4S ) + +#==BEGIN sample code== +myFile="/tmp/$(date +%s)..original" +echo "how are you doing?" > "$myFile" +myVAR="$(cat $myFile)" +writeArg "$myVAR" "$myFile..LOUD_CHILD" "tee /tmp/cloneityclone " "tr '[:lower:]' '[:upper:]'" +#==END sample code== + +# Author: Steven Baltakatei Sandoval +# License: GPLv3+