Experiments with different "e" scripts

e5.sh

# e - list files sorted by time, also filter and edit if only 1 match
#	usage: e pattern1 pattern2 ...
pattern=$(echo "$@" | awk '
BEGIN	{ printf "//" }
	{ for (i = 1; i <= NF; i++)
		printf(" && /%s/", $i) }')
matches=$(ls -t | tac | awk "$pattern")
echo "$matches"
if test $(echo "$matches" | wc -l) -eq 1
then
	ed "$matches"
fi

e8.sh

# e - list files sorted by time, also filter and edit if only 1 match
#	usage: e pattern1 pattern2 ...
ls -t | awk '
BEGIN {
	for (i = 1; ARGV[i] != "-"; i++) { # collect patterns
		pat[++np] = ARGV[i]
		ARGV[i] = ""
	}
}
{	for (i = 1; i <= np; i++) {
		if (!match($0, pat[i])) next
	}
	nm++; fn=$0; print
}
END {	if (nm == 1)
		system(sprintf("rlwrap ed </dev/tty \"%s\"", fn))
}
' "$@" -

e9.sh

# e - list files sorted by time, also filter and edit if only 1 match
#	usage: e pattern1 pattern2 ...
f=$(mktemp)
m=$(mktemp)
printf '/%s/ && ' "" "$@" | awk '{ $NF=""; print }' >$f
ls -t | awk -f $f | tee $m
if test $(wc -l <$m) -eq 1
then
	exec rlwrap ed "$(cat $m)"
fi