blob: bfc51cd6b3dab99a4cbb66f2ac5820a65e8df2d5 (
plain)
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|
set -u
buf="Hello, 'world'!"
old()
{
eval "$(printf '%s' "${buf}" | awk -v FS='' -v j=0 \
-v squote="'" -v esc_squote="'\\\\''" '
{
for (i = 1; i <= NF; ++i) {
sub(squote, esc_squote, $i);
printf("lbufv_%d='\''%s'\''\n", j++, $i);
};
printf("lbufv_%d='\''\n'\''\n", j++);
}
')"
}
new()
{
eval "$(printf '%s' "${buf}" | awk -v FS='' -v j=0 \
-v squote="'" -v esc_squote="'\\\\''" '
{
for (i = 1; i <= NF; ++i) {
sub(squote, esc_squote, $i);
printf("lbufv_%d=" squote "%s" squote "\n",
j++, $i);
};
printf("lbufv_%d=" squote "\n" squote "\n", j++);
}
')"
}
print_and_clear()
{
i=0
while [ ${i} -le ${#buf} ]; do
c=$(eval "printf '%sx' \"\${lbufv_${i}}\"")
eval "lbufv_${i}="
printf 'i: %2d, c: "%s"\n' ${i} "${c%x}"
i=$((${i} + 1))
done
}
old
print_and_clear
new
print_and_clear
|