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# vim: ft=sh:
# Run process in background
tbg() {
mkdir -p /tmp/tbg-log
nohup "$@" >/dev/null >"/tmp/tbg-log/$0-$(date +%g%m%d%H%M%S%N)" &
}
# Generate random password (optionally takes length of password as first argument)
genpasswd() {
local l=$1
[ -n "$l" ] || l=16
tr -dc A-Za-z0-9_ < /dev/urandom | head -c "$l" | xargs
}
# Generate random hex number of given lenght
genhex() {
if [ -z "$1" ]; then
echo "Size is required as first argument!" >&2
return 1
fi
tr -dc 0-9A-F < /dev/urandom | head -c "$1" | xargs
}
# Run given command every second
dorepeat() {
while true; do
"$@"
sleep 1
echo
done
}
# Clear all ssh control masters
sshclear() {
rm -rf ~/.cache/ssh
mkdir -p ~/.cache/ssh
}
# Chroot to bash to given path
chroot-bash() {
sudo chroot "$1" /bin/bash
}
# Run command with inotifywait
# First argument has to be files then -- is expected and everything else
# is command to be executed when file changes.
inrun () {
(
set -e
local tmpfs
tmpfs="$(mktemp --tmpdir inrun.XXXXXXXX)"
trap "rm '\$tmpfs'; trap '' EXIT; exit 0" EXIT INT QUIT TERM ABRT
while [ $# -gt 0 -a "$1" != "--" ]; do
echo "$1" >> "$tmpfs"
shift
done
if [ $# -le 1 ]; then
echo "Usage: inrun FILE.. -- COMMAND"
return 1
fi
shift
while true; do
inotifywait -qe close_write --fromfile "$tmpfs" || true
"$@" || true
done
)
}
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