TRAFFIC_LOGCAT(8)

💅 traffic_logcat — the manual, but make it cute (section 8, Apache Traffic Server)

okay so bestie, welcome to TRAFFIC_LOGCAT(8), a.k.a. the Traffic Server log spooler. sit down, hydrate, and let me tell you about the glow-up your log files are about to get ✨

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🌸 NAME 🌸

traffic_logcat — Traffic Server log spooler. that's it, that's the girl. she takes logs and she spills them out. iconic behaviour honestly 🫶

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🎀 SYNOPSIS 🎀

traffic_logcat [-o output-file | -a] [-CEhSVw2] [input-file ...]

look at her. so compact. so much power. main character energy fr fr 💅

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🦋 DESCRIPTION 🦋

so here's the vibe: binary log files? they're cute but they're not, like, readable. if you wanna analyze one with your standard everyday tools, you literally have to convert it to ASCII first. and that's the whole job. traffic_logcat does exactly that. no notes, no cap. she converts, she serves, she leaves. 🌈

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✨ OPTIONS ✨

every single flag, bestie, in order, nothing skipped. i would never do you like that 💖

• -o PATH, --output_file PATH — tells the command where to send its output. where does the girl go? you decide, queen 👑
• -a, --auto_filename — automatically generates the output filename based on the input filename. if the input is coming from stdin, then this option just gets ignored (she's not gonna guess, that's so real of her). for example:

traffic_logcat -a squid-1.blog squid-2.blog squid-3.blog

generates:

squid-1.log squid-2.log squid-3.log

like?? she renamed them all by herself?? so efficient, so effortless, slay 🧚

• -f, --follow — follows the file, exactly like tail(1) -f. she's just gonna stand there and watch. obsessed. 👀
• -C, --clf — attempts to transform the input to Netscape Common format, if possible.
• -E, --elf — attempts to transform the input to Netscape Extended format, if possible.
• -S, --squid — attempts to transform the input to Squid format, if possible.
• -2, --elf2 — attempts to transform the input to Netscape Extended-2 format, if possible.
• -T, --debug_tags — (no description given, she's mysterious like that 🙈)
• -w, --overwrite_output — (also no description, also mysterious, also lowkey giving unbothered 💀)
• -h, --help — print usage information and exit. your girl just wants to explain herself 🫶
• -V, --version — print version information and exit. she's telling you who she is and then dipping ✌️

NOTE: use only one of the following options at any given time: -S, -C, -E, or -2. do NOT stack them. i'm serious bestie, pick one format, pick your fighter, periodt 💅

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🔥 THE INPUT/OUTPUT SITCH 🔥

if no input files are specified, then traffic_logcat reads from the standard input (stdin). and if you don't specify an output file, then traffic_logcat writes to the standard output (stdout). defaults are cute, defaults are easy, defaults are giving "i got you" 💜

so, for example, to convert a binary log file to an ASCII file, you can use the traffic_logcat command with either of the following options below:

traffic_logcat binary_file > ascii_file
traffic_logcat -o ascii_file binary_file

two ways, same result. choose your adventure 🌸

IMPORTANT: the binary log file is not modified by this command. she looks, she does not touch. respectful queen 🙏✨

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⭐ SEE ALSO ⭐

tail(1) — go say hi to the original follow-the-file girlie 🌈

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👑 COPYRIGHT 👑

2026, dev@trafficserver.apache.org

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and that's the whole page, bestie!! this was Apache Traffic Server 9.2, dated Feb 12, 2026 — shoutout to the TRAFFIC_LOGCAT(8) girlies, iykyk 💖🎀✨🦋💅