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utility: Use Zsh native mechanism to detect GNU 'du'

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Skip additional call to `grep` and use Zsh native mechanism to detect
GNU version of `du`.

Further, Remove redundant `function` clause as per Prezto convention.
This commit is contained in:
Indrajit Raychaudhuri 2021-05-10 16:34:00 -05:00 committed by Indrajit Raychaudhuri
parent 6eb4021556
commit d3d79bbe74
1 changed files with 16 additions and 16 deletions
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14
modules/utility/functions/dut
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@ -6,12 +6,13 @@
# Sorin Ionescu <sorin.ionescu@gmail.com> # Sorin Ionescu <sorin.ionescu@gmail.com>
# #
function dut { # function dut {
(( $# == 0 )) && set -- *
if grep -q -i 'GNU' < <(du --version 2>&1); then (( $# == 0 )) && set -- *
if [[ ${(@M)${(f)"$(du --version 2>&1)"}:#*GNU *} ]]; then
du -khsc "$@" | sort -h -r du -khsc "$@" | sort -h -r
else else
local line size name local line size name
local -a record local -a record
@ -21,7 +22,6 @@ function dut {
name="$record[2,-1]" name="$record[2,-1]"
printf "%9.1LfM %s\n" "$size" "$name" printf "%9.1LfM %s\n" "$size" "$name"
done < <(du -kcs "$@") | sort -n -r done < <(du -kcs "$@") | sort -n -r
fi fi
}
dut "$@" # }