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rc/sh/scount

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#!/usr/bin/env sh
# compat: +ash +bash +dash +zsh
### @ scount
### perform `sort | uniq -c | sort -n`, preferring GNU awk when available.
if "$HOME/sh/witch" gawk >/dev/null 2>/dev/null; then
scount() {
argc $# -le 1 scount || return
gawk -- 'BEGIN{PROCINFO["sorted_in"]="@val_num_desc"}{a[$0]--}END{for(i in a)printf "%7i %s\n",-a[i],i}' "$@"
}
else
scount() {
argc $# -le 1 scount || return
sort -- "$@" | uniq -c | sort -n
}
fi
[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
eval ${preload:-preload} argc
[ -n "${preload+-}" ] || scount "$@"