Scott Tsai's $HOME/bin

C / C++

• cc-defines -- dump gcc's builtin macro definitions
• cc-linker-script -- dump gcc's default linker script
• cc-config -- dump gcc's build configuration. Useful when examining vendor cross compiler toolchains.
• cc-compile -- compile program from STDIN and print assembly to STDOUT
• compilefunc -- generate assembler output on STDOUT for specified functions
• gdbdis -- disassemble a function or memory range through GDB
• gdbx -- examine memory through GDB
• gdb-info-scope -- Use gdb to list the variables local to a scope. Shows DWARF debug info.
• gdb-info-{functions,variables,types,line} -- show functions, variables etc through GDB
• function-is-not-used
• dwarf-analyze-gcc-switches -- analyze which files where compiled with what flags when -grecord-gcc-switches is used
• elf-interp-dump -- show .interp section content of ELF files

macOS / OSX / iOS

• otool-rpath -- print the RPATH from a Mach-O binary
• otool-needed -- print the shared libraries and frameworks required by a Mach-O binary
• otool-install-name -- print the INSTALL NAME of a shared library or framework (similar to a SONAME)
• focus-follows-mouse{,off} -- turn focus-follows-mouse on/off using yabai

Software Development

• hostlookup-trace -- trace hostname lookup operations through GDB
• lsof-listening -- list programs listening for TCP connections
• lsof-udp -- list programs bound to UDP ports
• http-static-server -- HTTP server that serves static content in CWD
• git-clean -- delete files not tracked by git
• git-config-credential-libsecret -- use libsecret as the Git credentil helper

Python

• pyindent -- a copy of cpython/Tools/scripts/reindent.py
• pytraceback-to-grep -- convert Python traceback to a file:line format similar to grep

Django

• django-secret-key-gen -- generate random SECRET_KEY for settings.py

Command Line / Shell Scripting

• clipboard-print -- print X11 clipboard to STDOUT
• clipboard-zh-tw-quote -- add Taiwanese style quotation marks to clipboard content
• clipboard-html-escape -- convert '&', '<', '>' to HTML-safe sequences
• clipboard-copy -- copy file content to X11 clipboard
• clipboard-open-file-line -- open $EDITOR to filename:line in X11 clipboard
• argv-print -- debug command line argument passing in scripts
• realpath -- like realpath(3), recent GNU coreutils now ships a realpath binary
• crypt -- compute salted hash with crypt(3)
• md5crypt -- compute MD5 salted hash with crypt(3) (glibc extension)
• sha256crypt -- compute SHA256 salted hash with crypt(3) (glibc extension)
• sha512crypt -- compute SHA512 salted hash with crypt(3) (glibc extension)
• lc -- line count
• range -- range 1 10 prints 1 to 9 (similar to seq(1))
• dict-grep -- grep word in dictionary file
• random-file -- choose N random files in CWD
• size-sum -- add up the size of the files named in STDIN
• zip-dir -- zip up a directory
• slice -- print a subset of lines from STDIN like head(1) or tail(1)
• vim-pager -- use vim as a pager like more(1)
• xdg-rename-by-content -- change file extension to match file type detected from content
• terminal-colors-list -- list colors supported by terminal
• prompt-str-gen -- generate a str with terminal underline and color control codes
• treels -- flat, ls -l like output with tree
• prefix -- print first N characters from STDIN

System Administration / DevOps

• utc-timestamp -- Unix timestamp (seconds since Jan 1, 1970) for current time in UTC
• ssh-pubkey-from-pem -- convert SSH public key from PEM to .ssh format
• remote-domain-socket-proxy -- connect to a remote Unix domain socket through a local one. e.g. MySQL remote administration.
• iptables-allow-{daap,http,mdns,nfsv4,samba,ssh,soundwire,steam} -- open port(s) with iptables
• iptables-allow-mdns-over-host-nat -- allow mDNS (avahi) over host NAT mostly for libvirt VMs.
• iptables-reject-hinet-youtube-servers -- workaround to get faster YouTube connections in Taiwan
• iptables-reject-slow-akaimai-bloomberg-tv -- workaround for watching bloomberg.com/tv in Taiwan
• iptables-list-INPUT -- list firewall input rules
• iptables-save -- save iptables rules across reboots
• ntp-sync -- sync system time through NTP
• disk-{scan,deactivate} -- useful for eSATA hotplug. Nicer than scsi-rescan in sg3_utils.
• git-repo-add-email-notifications -- configures email notification in git repositories.
• vm-start -- manage virtual machines through "virsh" / libvirt
• mdns-discover -- use avahi-browse to discover network services
• expressvpn-virtmanager-workaround -- restart virtmanager networks after ExpressVPN disconnect
• generate-random{,-password} -- use openssl to generate a random password
• generate-ed25519-keypair -- use openssl to generate a ed25519 keypair
• smbclient-browse -- browse available shares on an SMB host using smbclient

Certificates

• {ca-,}cert-gen -- generate x509 certificate with openssl
• ca-cert-install-on-{fedora,mac} -- install and trust self-signed certificate
• openssl-inspect-{csr,pem} -- inspect Certificate Signing Request and PEM files
• openssl-test-connect -- debug TLS handshake connect
• mac-list-keychains -- list keychains on Mac OS

Text Encoding Conversion

• big5 -- convert STDIN from big5 to utf8
• gb2312 -- convert STDIN from gb2312 to utf8
• utf16 -- convert STDIN from utf16 to utf8
• unzip-big5 -- extract a zip file that uses big5 for filenames

Fedora / RHEL Related

• rpmbuild-in-dir -- run rpmbuild assuming all source files are in CWD
• rpmspec-in-dir -- run rpmsec assuming all source files are in CWD
• rpmchangelog -- rpm -q --changelog
• rpmlint-pattern -- run rpmlint on files whose name matches pattern
• rpm-name-strip-version
• rpm-review-files-provides-requires -- review RPM content after packaging
• {ygin,yin,yinlocal,ylist,yre,yupdate} -- yum {group install,install,localinstall,list,remove,update}
• {dgin,din,dinlocal,dlist,dre,dupdate,dbuilddep} -- dnf {group install,install,localinstall,list,remove,update,builddep}
• dnf-wrapper -- implementation of the dnf shorthands
• {d,y}update-review -- review the YUM or DNF log file in VIM. See yum_update_log.vim for key bindings
• vim_yum_update_review.py -- part of yupdate-review
• yum_update_log.vim -- part of yupdate-review. Key bindings for showing changelog, provides, requires etc
• fedora-source-query -- query Fedora build dependencies
• src-install -- install the source for a file that comes with the OS
• yum-febootstrap -- create chroots from Fedora repositories with yum
• yinchroot -- install package(s) in chroot
• graphics-stack-versions -- list Linux graphics stack component versions on the running system
• airplane-mode-{on,off} -- under Linux, turn bluetooth and WiFi on/off (implemented with rfkill)

Audio / Video Encoding and Conversion

• sine-wave-audio -- play a sine wave test sound pattern (via GStreamer)
• sine-wave-save -- save a sine wave test sound pattern as a RAW or WAV file
• video-extract-audio -- extract audio streams from video files for (rough, useful for music videos from YouTube)
• video-to-gif -- convert video file to GIF
• audio-transcode-for-google-music -- transcode audio files not support by Google Music to a suitable format.
• mp4-faststart-optimize -- remux MP4 file into 'faststart' format for streaming using ffmpeg
• qtfaststart-list-moov -- check whether MP4 file is in 'faststart' format
• ffmpeg-h264-mp4-faststart -- convert video to the H264 in MP4 format optimized for streaming
• ffmpeg-h264-mkv -- convert video to H264 in MKV format
• ffmpeg-webm-360p -- convert video to the WebM format through ffmpeg
• flv-to-mp3 -- covnert audio tracks in FLV to an MP3
• pulseaudio-rtp-serve -- broadcast audio from Linux through RTP in PCM or MP3 format
• pulseaudio-simple-serve -- listen for connections and serve PCM audio

Miscellaneous

• imgs-to-pdf -- convert bitmap images to a multipage PDF
• pdf-to-imgs -- convert PDF to multiple imgs. one file per page.
• pdf-to-jpg -- convert single page PDF to JPEG
• vector-to-png -- convert SVG to PNG
• pdf-pages -- merge multiple pages from a source PDF into one
• pdf-{add,remove}-password -- remove password from PDF (with qpdf)
• pdf-remove-metadata -- remove Author, Title etc metadata from PDF file
• svg-to-pdf -- use linkescope to convert SVG to PDF
• gnome-recently-used-clear -- clear the recently used files list in GNOME
• alarm -- play an alarm sound
• xnest -- start a nested Xnest server through startx
• bbs-{ptt,ptt2} -- telnet to the PTT or PTT2 BBS sites
• bbs -- telnet to a BBS site. Somehow they're still popular in Taiwan
• document-files-in-README -- help maintain this README