convert compatibility lines to new format

sh/argc

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 argc() { ### @- validate the number of arguments in a function.
     ### ```sh

sh/arith

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.

sh/arrays

@@ -1,5 +1,5 @@
 #!/usr/bin/env false
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 whoa=(
     -Wall

sh/askey

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 askey() {
     printf '\033[100m 00 \033[m \033[100m 01 \033[m \033[100m 02 \033[m \033[100m 03 \033[m \033[100m 04 \033[m \033[100m 05 \033[m \033[100m 06 \033[m \033[100m 07 \033[m \033[100m 08 \033[m \033[100m 09 \033[m \033[100m 0A \033[m \033[100m 0B \033[m \033[100m 0C \033[m \033[100m 0D \033[m \033[100m 0E \033[m \033[100m 0F \033[m

sh/autosync

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 # TODO: portable way of dodging aliases to allow other shell support?
 

sh/bak

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 bak() { ### @-
     ### backup files by creating copies and appending ".bak" to their names.

sh/baknow

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 baknow() { ### @- backup files by appending their timestamps given by [`now`.](#now)
     ### ```

sh/baks

@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 # backup, timestamped
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 baks() { ### @-
     ### backup files by copying each and appending *the current* date-time,

sh/bin

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.

sh/burl

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 burl() ( ### @-
     ### turn bash into a makeshift HTTP client.

sh/busiest

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 busiest() { ### @-
     ### list directories in descending order by the number of files in them,

sh/clash

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 clash() { ### @- run a command through 12 different shells.
     ### only returns false when no arguments are given.

sh/colors

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 colors() { ### @-
     ### display all combinations of foreground and background terminal colors.

sh/colors2

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 colors2() {
     [ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }

sh/compile

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 setup_clang_ubuntu() { ### @-
     ### print (but don't execute) the commands necessary to install

sh/confirm

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ### @ confirm
 ### display a simple yes-or-no prompt and return 0-or-1 respectively.

sh/countdiff

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK YES_OT_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK YES_OT_AWK
 
 countdiff() { ### @-
     ### count the number of lines changed between two files.

sh/cutv

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 cutv() {
     argc $# -ge 2 "$0" || return

sh/dated

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 dated() {
     local ts= u=0

sh/days

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 days() { ### @-
     ### compute the number of days since a given date.

sh/decently

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # TODO: check if this is compatible with busybox.
 

sh/dedupe

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 dedupe() ( ### @- copy a directory, but make hard/softlinks for identical files.
 # Copyright (C) 2022 Connor Olding

sh/dfu

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK YES_OT_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK YES_OT_AWK
 
 dfu() { ### @-
     ### pretty-print `df` in GiB.

sh/disowned

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 disowned() { ### @- find files in system directories that aren't associated with any pacman packages.
     #

sh/e

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 e() { ### @-
     ### wrap around `$EDITOR` to run it as root if necessary.

sh/ea

@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 # remote file access (http file-sharing shenanigans)
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __ea_curl() {
     curl -q --no-progress-meter 127.255.255.255 >/dev/null 2>&1

sh/echo2

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 echo2() { ### @-
     ### print arguments joined by spaces to stderr without parsing anything.

sh/explore

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 explore() { ### @- open a single directory in `explorer.exe`, defaulting to `$PWD`.
     [ -n "$MSYSTEM" ] || { printf "%s\n" "$0: only for MSYS2" >&2; return 1; }

sh/feud

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ### @feud - parse command-line arguments, mapping short-flags to variable names.
 ### **NOTE:** the API is still experimental and will undergo major changes.

sh/ff

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ff() { ### @-
     ### select a file from a given or current directory using

sh/ghmd

@@ -2,7 +2,7 @@
 # ghmd - format GitHub markdown
 # via: https://leahneukirchen.org/dotfiles/.zshrc
 # example: ghmd < README.md > README.html
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ghmd() { ### @-
     ### convert a markdown file to HTML in the style of GitHub.

sh/glug

@@ -1,5 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 # fuck termcap, all my homies hate termcap.
 
 glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.

sh/grab

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __grab() { ### @grab - download a file from my site and verify its integrity by its [minisign](https://github.com/jedisct1/minisign/) signature.
 [ -z "${ZSH_VERSION}" ] || emulate sh

sh/grop

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # TODO: check for existence of grep -P; write a perl-based fallback.
 grop() { ### @- invoke grep with `-oP`.

sh/grop4

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 grop4() { ### @- [`grop`](#grop) for IPv4s.
     grep -oP -- '(?<=^|[^\d.])((0|1\d\d|2[0-4]\d|25[0-5]|[1-9]\d?)\.((?2))\.((?2))\.((?2)))(?=$|[^\d.])'

sh/has

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 has() { ### @- [`have`,](#have) silently.
     if [ -z "$ZSH_VERSION" ]; then which -- "$1"; else whence -p -- "$1"; fi

sh/have

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 have() { ### @- print the result of `which` if the program is found, else simply return 1.
     ### ```

sh/hex

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.

sh/ify

@@ -1,5 +1,5 @@
 #!/usr/bin/sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ify() { ### @-
     ### pipe one command through another, so you can still pass arguments to the former.

sh/is_empty

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 is_empty() { ### @-
     ### return 0 if the directory given by argument is empty.

sh/isup

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 isup() { ### @-
     ### return 0 if a given website returns a 2xx HTTP code.

sh/join2

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 join2() { ### @- join every other line.
     # TODO: argc, also better interface that allows n file inputs without stdin.

sh/lsarchive

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 lsarchive() { ### @- list the contents of an archive file in one of many formats.
     ### borrowed from [prezto.](https://github.com/sorin-ionescu/prezto)

sh/maybesudo

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __maybesudo() { ### @maybesudo
     ### mimic certain features of `sudo` for systems without it installed.

sh/minutemaid

@@ -1,5 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 minutemaid() { ### @-
     ### check if the current minute is divisible by a given number,

sh/monitor

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 monitor() { ### @-
     ### this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html)

sh/morecolors

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 morecolors() { ### @- print all 256 colors that are available on most terminals.
     # borrowed from leah2's dotfiles.

sh/noccom

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # TODO: what's the minimum version of perl required for this?
 

sh/note

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 note() { ### @-
     ### act like [`echo2`,](#echo2) but use a bright color to stand out more.

sh/notice

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __notice_warn() {
 	printf >&2 'notice: %s\n' "$*"

sh/now

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 now() { ### @-
     ### print a date-time (UTC) in a sortable format.

sh/oshi

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __oshi() { ### @oshi
     ### upload files (or stdin) to [oshi.at.](https://oshi.at)

sh/oxo

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # **TL;DR RULES:**
 # * no executables (for the most part)

sh/pacbm

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # TODO: does this work with busybox awk?
 

sh/pause

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ### @ pause
 ### pause — the companion script of [`confirm`.](#confirm)

sh/pegg

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 pegg() { ### @-
     ### download and (pip) install a Python "egg" from a project on GitHub,

sh/permit

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __permit_hex() {
     if xxd -l 0 2>/dev/null; then

sh/pippy

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 pippy() { ### @-
     ### install Python packages using pip,

sh/pre

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 pre() { ### @-
     ### dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.

sh/psbm

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 psbm() { ### @-
     ### display and order processes by their memory usage ascending, and their sum.

sh/randir

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # works with busybox.
 

sh/recolor

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __recolor_install() {
     ForegroundColour() { recolor RAW 10 "$@"; }

sh/rot13

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # works with busybox tr.
 

sh/rs

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 rs() { ### @-
     ### record screen. does not record audio.

sh/running

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 # probably not compatible with busybox ps because its column 2 isn't PID.
 

sh/scount

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 ### @ scount
 ### perform `sort | uniq -c | sort -n`, preferring GNU awk when available.

sh/scramble

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # does not work with busybox sed (yet?)
 

sh/scropt

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 scropt() { ### @-
     ### run `scrot` through `optipng` and save the result to `~/play/$(now).png`.

sh/shcom

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 shcom() { ### @-
     ### comment out text from stdin and wrap it in a markdown blockquote

sh/similar

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 similar() { ### @-
     ### highlight adjacent lines up to the first inequivalent character.

sh/slit

@@ -1,5 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # works with busybox ash.
 

sh/slitt

@@ -1,5 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 # works with busybox ash.
 

sh/sortip

@@ -1,5 +1,5 @@
 #!/usr/bin/sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 sortip() { ### @- sort lines numerically by IPv4 segments.
     sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n "$@"

sh/sram

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 sram() { ### @-
     ### convert between a couple saveram formats for N64 emulators.

sh/stfu

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 stfu() { ### @-
     ### invoke a command, silencing stdout and stderr *unless* the command fails.

sh/streamcrap

@@ -1,6 +1,6 @@
 #!/usr/bin/env false
 # awful things
-# YES_ZSH YES_BASH NO_DASH NO_ASH
+# compat: -ash +bash -dash +zsh
 
 mpvs() {
     mpv --quiet \

sh/subdue

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 __subdue() { ### @subdue
     ### reconfigure your terminal's color scheme using a preset for [recolor.](#recolor)

sh/sum

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 sum() { ### @-
     ### compute the summation of its arguments without forking processes.

sh/sv

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 sv() { ### @-
     ### collect the lastmost value of every key.

sh/trash

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 trash() { ### @-
     ### output a given number of bytes from `/dev/random`.

sh/trunc

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 trunc() { ### @-
     ### truncate text to fit within your terminal using the unicode character `…`.

sh/unarchive

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 unarchive() { ### @- extract the contents of an archive file in one of many formats.
     ### borrowed from [prezto.](https://github.com/sorin-ionescu/prezto)

sh/unwrap

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 unwrap() { ### @- join paragraphs into one line each.
     awk '\''BEGIN{RS="\n\n";FS="\n"}{for(i=1;i<=NF;i++)printf "%s ",$i;print "\n"}'\'

sh/v_domap

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 v_domap() {
     argc $# -eq 1 "$0" || return

sh/v_lower

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 v_lower() { ### @- transform the contents of a variable to lowercase.
     argc $# -eq 1 "$0" || return

sh/v_upper

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 v_upper() { ### @- transform the contents of a variable to uppercase.
     argc $# -eq 1 "$0" || return

sh/wat

@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH NO_BASH NO_DASH NO_ASH
+# compat: -ash -bash -dash +zsh
 
 # wat - a better and recursive which/whence
 # via: https://leahneukirchen.org/dotfiles/tools.html

sh/wipe

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
+# compat: +ash +bash +dash +zsh YES_BB_AWK
 
 wipe() { ### @-
     ### clear the screen and its scrollback, then print a high-contrast horizontal line.

sh/xxp

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH YES_BASH YES_DASH YES_ASH
+# compat: +ash +bash +dash +zsh
 
 xxp() { ### @-
     ### act like `xxd -p`, but nicely formatted.