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#!/usr/bin/env bash
if [[ $# -lt 1 ]]; then # nas
printf "usage: nas FILEi [FILEo]\n"
printf "(!) if FILEo not specified, FILEi will be used.\n"
exit 1
elif [[ $# -ge 2 ]]; then # nas FILEi FILEo | nas ^-h(elp)?$ || nas ^--help$
if [[ "$1" =~ ^-h(elp)?$ || "$1" =~ ^--help$ ]]; then
# usage # ================> nas ^-h(elp)?$ || nas ^--help$
printf "usage: nas FILEi [FILEo]\n"
printf "(!) if FILEo not specified, FILEi will be used.\n"
exit 0
else # ================> nas FILEi FILEo
# assemble
printf ":> compiling \"%s\" (output=\"%s\")\n" "$1" "$2"
nasm -felf64 $1 -o $1.o && ld $1.o -o $2 && rm $1.o
exit 0
fi
else
# assemble # ================> nas FILEi
printf "(!) warning: FILEo not specified. using FILEi (\"%s\") as output FILE\n" "$1"
printf ":> compiling \"%s\" (output=\"%s\")\n" "$1" "$1"
nasm -felf64 $1 -o $1.o && ld $1.o -o $1 && rm $1.o
exit 0
fi
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