On 12/25/19 5:41 PM, Xin Wu wrote:
> Hi,
>
> I found the single-bracket [ ... ] and double-bracket [[ ... ]] behave
> differently for string comparison in the follow simple Bash-script.
>
> # comma (,) is before two (2) in ASCII
> a=,rst
> b=2rst
> if [ "$a" \> "$b" ]; then
> echo "single-brack
Hi,
I found the single-bracket [ ... ] and double-bracket [[ ... ]] behave differently for string
comparison in the follow simple Bash-script.
# comma (,) is before two (2) in ASCII
a=,rst
b=2rst
if [ "$a" \> "$b" ]; then
echo "single-bracket"
fi
if [[ "$a" > "$b" ]]; then
echo "double-bra
2019-12-24 12:16:41 -0500, Eli Schwartz:
[...]
> > Also note that sort -u and sort | uniq are not quite the same, the -u
> > option only considers the key fields when deciding which records (lines)
> > are unique (of course, with no key options, the whole line is the key,
> > in which case they are
