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readarray for Bash <4.0
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| # Attempt to support older BASH without mapfile/readarray | |
| if ! type -t readarray >/dev/null; then | |
| # Very minimal readarray implementation using read. | |
| readarray() { | |
| # _exit "readarray function" | |
| local cmd opt t v=MAPFILE | |
| while [ -n "$1" ]; do | |
| case "$1" in | |
| -h|--help) echo "minimal substitute readarray for older bash"; exit; ;; | |
| -r) shift; opt="$opt -r"; ;; | |
| -t) shift; t=1; ;; | |
| -u) | |
| shift; | |
| if [ -n "$1" ]; then | |
| opt="$opt -u $1"; | |
| shift | |
| fi | |
| ;; | |
| *) | |
| if [[ "$1" =~ ^[A-Za-z_]+$ ]]; then | |
| v="$1" | |
| shift | |
| else | |
| echo -en "${C_BOLD}${C_RED}Error: ${C_RESET}Unknown option: '$1'\n" 1>&2 | |
| exit | |
| fi | |
| ;; | |
| esac | |
| done | |
| cmd="read $opt" | |
| eval "$v=()" | |
| while IFS= eval "$cmd line"; do | |
| line=$(echo "$line" | sed -e "s#\([\"\`]\)#\\\\\1#g" ) | |
| eval "${v}+=(\"$line\")" | |
| done | |
| } | |
| fi |
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