Files
applog/applog.sh
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2026-05-15 07:20:52 -05:00

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#!/usr/bin/env bash
FILTER="$1"
if [[ -z "$FILTER" ]]; then
echo "Usage: $(basename "$0") <bundle-id-prefix|process-name>"
echo ""
echo " Examples:"
echo " $(basename "$0") com.mycompany.myapp"
echo " $(basename "$0") MyApp"
exit 1
fi
RED=$'\033[0;31m'
YELLOW=$'\033[0;33m'
CYAN=$'\033[0;36m'
GREEN=$'\033[0;32m'
DIM=$'\033[2m'
RESET=$'\033[0m'
SEP="${DIM}────────────────────────────────────────${RESET}"
cleanup() {
printf "\n%s[applog] Stopped.%s\n" "$DIM" "$RESET"
exit 0
}
trap cleanup SIGINT SIGTERM
printf "%s[applog] Filtering for '%s'. Ctrl+C to stop.%s\n\n" "$DIM" "$FILTER" "$RESET"
# System daemons that reference app bundle IDs as incidental observers, not direct participants
BLOCKLIST_RE='^(runningboardd|lsd|trustd|aggregated|tccd|dasd|symptomsd|swcd|calaccessd|mobileassetd|fairplayd|statusbarserver|contextstore|assertiond|thermalmonitord|watchdogd|powerd|logd|notifyd|configd|launchd|mDNSResponder)$'
idevicesyslog 2>/dev/null | while IFS= read -r line; do
[[ "$line" != *"$FILTER"* ]] && continue
# Extract process name (stop at '(' or '[' — handles both "proc[sub][pid]" and "proc(sub)[pid]")
# idevicesyslog format: "Mon DD HH:MM:SS.ssssss processname(subsystem)[pid] <Level>: msg"
if [[ "$line" =~ ^[A-Za-z]{3}[[:space:]]+[0-9]+[[:space:]]+[0-9:.]+[[:space:]]+([^[:space:]\[\(]+) ]]; then
[[ "${BASH_REMATCH[1]}" =~ $BLOCKLIST_RE ]] && continue
fi
# Colorize by <Level>: field; show all lines regardless of level
if [[ "$line" =~ \<(Error|ERROR|Fault|FAULT)\>: ]]; then
printf "%s%s%s\n%s\n" "$RED" "$line" "$RESET" "$SEP"
elif [[ "$line" =~ \<(Warning|WARNING)\>: ]]; then
printf "%s%s%s\n%s\n" "$YELLOW" "$line" "$RESET" "$SEP"
elif [[ "$line" =~ \<(Notice)\>: ]]; then
printf "%s%s%s\n%s\n" "$CYAN" "$line" "$RESET" "$SEP"
elif [[ "$line" =~ \<(Info)\>: ]]; then
printf "%s%s%s\n%s\n" "$GREEN" "$line" "$RESET" "$SEP"
elif [[ "$line" =~ \<(Debug)\>: ]]; then
printf "%s%s%s\n%s\n" "$DIM" "$line" "$RESET" "$SEP"
else
printf "%s\n%s\n" "$line" "$SEP"
fi
done