merge compatibility lines

RIP meaningful last-modified dates
2024-05-05 12:53:23 -07:00 · 2024-03-26 15:08:14 -07:00 · 2024-03-26 15:08:14 -07:00 · d5f3f14d72
parent a7a702c368
commit d5f3f14d72
83 changed files with 83 additions and 343 deletions
--- a/sh/archive
+++ b/sh/archive
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 archive() { ### @- create an archive file in one of a few formats.
    ### borrowed from [prezto.](https://github.com/sorin-ionescu/prezto)
--- a/sh/argc
+++ b/sh/argc
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 argc() { ### @- validate the number of arguments in a function.
    ### ```sh
--- a/sh/arith
+++ b/sh/arith
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.
--- a/sh/arrays
+++ b/sh/arrays
@ -1,8 +1,5 @@
 #!/usr/bin/env false
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 whoa=(
    -Wall
--- a/sh/aur
+++ b/sh/aur
@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 # http://aur.sh with massive feature creep
-# NO_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# NO_ZSH YES_BASH NO_DASH NO_ASH

 aur() { ### @-
    ### download, edit, make, and install packages from the
--- a/sh/autosync
+++ b/sh/autosync
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 # TODO: portable way of dodging aliases to allow other shell support?

--- a/sh/bak
+++ b/sh/bak
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 bak() { ### @-
    ### backup files by creating copies and appending ".bak" to their names.
--- a/sh/baknow
+++ b/sh/baknow
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 baknow() { ### @- backup files by appending their timestamps given by [`now`.](#now)
    ### ```
--- a/sh/baks
+++ b/sh/baks
@ -1,9 +1,6 @@
 #!/usr/bin/env sh
 # backup, timestamped
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 baks() { ### @-
    ### backup files by copying each and appending *the current* date-time,
--- a/sh/bin
+++ b/sh/bin
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.
--- a/sh/busiest
+++ b/sh/busiest
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 busiest() { ### @-
    ### list directories in descending order by the number of files in them,
--- a/sh/colors
+++ b/sh/colors
@ -1,8 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 colors() { ### @-
    ### display all combinations of foreground and background terminal colors.
--- a/sh/colors2
+++ b/sh/colors2
@ -1,8 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 colors2() {
    [ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
--- a/sh/compile
+++ b/sh/compile
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 setup_clang_ubuntu() { ### @-
    ### print (but don't execute) the commands necessary to install
--- a/sh/confirm
+++ b/sh/confirm
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ### @ confirm
 ### display a simple yes-or-no prompt and return 0-or-1 respectively.
--- a/sh/countdiff
+++ b/sh/countdiff
@ -1,10 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
-# YES_OT_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK YES_OT_AWK

 countdiff() { ### @-
    ### count the number of lines changed between two files.
--- a/sh/cutv
+++ b/sh/cutv
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 cutv() { ### @-
    ### (WIP) create a short clip of a long video file.
--- a/sh/dated
+++ b/sh/dated
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 dated() {
    local ts= u=0
--- a/sh/days
+++ b/sh/days
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 days() { ### @-
    ### compute the number of days since a given date.
--- a/sh/decently
+++ b/sh/decently
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # TODO: check if this is compatible with busybox.

--- a/sh/dfu
+++ b/sh/dfu
@ -1,10 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
-# YES_OT_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK YES_OT_AWK

 dfu() { ### @-
    ### pretty-print `df` in GiB.
--- a/sh/disowned
+++ b/sh/disowned
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 disowned() { ### @- find files in system directories that aren't associated with any pacman packages.
    #
--- a/sh/e
+++ b/sh/e
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 e() { ### @-
    ### wrap around `$EDITOR` to run it as root if necessary.
--- a/sh/ea
+++ b/sh/ea
@ -1,9 +1,6 @@
 #!/usr/bin/env sh
 # remote file access (http file-sharing shenanigans)
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 __ea_curl() {
    curl -q --no-progress-meter 0.0.0.0 >/dev/null 2>&1
--- a/sh/echo2
+++ b/sh/echo2
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 echo2() { ### @-
    ### print arguments joined by spaces to stderr without parsing anything.
--- a/sh/explore
+++ b/sh/explore
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 explore() { ### @- open a single directory in `explorer.exe`, defaulting to `$PWD`.
    [ -n "$MSYSTEM" ] || { printf "%s\n" "$0: only for MSYS2" >&2; return 1; }
--- a/sh/ff
+++ b/sh/ff
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ff() { ### @-
    ### select a file from a given or current directory using
--- a/sh/ghmd
+++ b/sh/ghmd
@ -2,10 +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
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ghmd() { ### @-
    ### convert a markdown file to HTML in the style of GitHub.
--- a/sh/glug
+++ b/sh/glug
@ -1,8 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH
 # fuck termcap, all my homies hate termcap.

 glug() ( # note the subshell syntax. this allows us to abuse globals like crazy.
--- a/sh/grab
+++ b/sh/grab
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 __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
--- a/sh/grop
+++ b/sh/grop
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # TODO: check for existence of grep -P; write a perl-based fallback.
 grop() { ### @- invoke grep with `-oP`.
--- a/sh/grop4
+++ b/sh/grop4
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 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.])'
--- a/sh/has
+++ b/sh/has
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 has() { ### @- [`have`,](#have) silently.
    if [ -z "$ZSH_VERSION" ]; then which -- "$1"; else whence -p -- "$1"; fi
--- a/sh/have
+++ b/sh/have
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 have() { ### @- print the result of `which` if the program is found, else simply return 1.
    ### ```
--- a/sh/hex
+++ b/sh/hex
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # though technically compatible with other shells,
 # extra functionality is through zsh's extended arithmetic functions.
--- a/sh/ify
+++ b/sh/ify
@ -1,8 +1,5 @@
 #!/usr/bin/sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ify() { ### @-
    ### pipe one command through another, so you can still pass arguments to the former.
--- a/sh/is_empty
+++ b/sh/is_empty
@ -1,8 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 is_empty() { ### @-
    ### return 0 if the directory given by argument is empty.
--- a/sh/isup
+++ b/sh/isup
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 isup() { ### @-
    ### return 0 if a given website returns a 2xx HTTP code.
--- a/sh/join2
+++ b/sh/join2
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 join2() { ### @- join every other line.
    # TODO: argc, also better interface that allows n file inputs without stdin.
--- a/sh/lsarchive
+++ b/sh/lsarchive
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 lsarchive() { ### @- list the contents of an archive file in one of many formats.
    ### borrowed from [prezto.](https://github.com/sorin-ionescu/prezto)
--- a/sh/maybesudo
+++ b/sh/maybesudo
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 __maybesudo() { ### @maybesudo
    ### mimic certain features of `sudo` for systems without it installed.
--- a/sh/minutemaid
+++ b/sh/minutemaid
@ -1,8 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 minutemaid() { ### @-
    ### check if the current minute is divisible by a given number,
--- a/sh/monitor
+++ b/sh/monitor
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 monitor() { ### @-
    ### this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html)
--- a/sh/morecolors
+++ b/sh/morecolors
@ -1,8 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 morecolors() { ### @- print all 256 colors that are available on most terminals.
    # borrowed from leah2's dotfiles.
--- a/sh/noccom
+++ b/sh/noccom
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # TODO: what's the minimum version of perl required for this?

--- a/sh/note
+++ b/sh/note
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 note() { ### @-
    ### act like [`echo2`,](#echo2) but use a bright color to stand out more.
--- a/sh/now
+++ b/sh/now
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 now() { ### @-
    ### print a date-time (UTC) in a sortable format.
--- a/sh/oshi
+++ b/sh/oshi
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 __oshi() { ### @oshi
    ### upload files (or stdin) to [oshi.at.](https://oshi.at)
--- a/sh/oxo
+++ b/sh/oxo
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # **TL;DR RULES:**
 # * no executables (for the most part)
--- a/sh/pacbm
+++ b/sh/pacbm
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # TODO: does this work with busybox awk?

--- a/sh/pause
+++ b/sh/pause
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ### @ pause
 ### pause — the companion script of [`confirm`.](#confirm)
--- a/sh/pegg
+++ b/sh/pegg
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 pegg() { ### @-
    ### download and (pip) install a Python "egg" from a project on GitHub,
--- a/sh/pippy
+++ b/sh/pippy
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 pippy() { ### @-
    ### install Python packages using pip,
--- a/sh/pre
+++ b/sh/pre
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 pre() { ### @-
    ### dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
--- a/sh/psbm
+++ b/sh/psbm
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 psbm() { ### @-
    ### display and order processes by their memory usage ascending, and their sum.
--- a/sh/randir
+++ b/sh/randir
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # works with busybox.

--- a/sh/rot13
+++ b/sh/rot13
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # works with busybox tr.

--- a/sh/rs
+++ b/sh/rs
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 rs() { ### @-
    ### record screen. does not record audio.
--- a/sh/running
+++ b/sh/running
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 # probably not compatible with busybox ps because its column 2 isn't PID.

--- a/sh/scount
+++ b/sh/scount
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 ### @ scount
 ### perform `sort | uniq -c | sort -n`, preferring GNU awk when available.
--- a/sh/scramble
+++ b/sh/scramble
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # does not work with busybox sed (yet?)

--- a/sh/scropt
+++ b/sh/scropt
@ -1,8 +1,5 @@
 #!/usr/bin/env bash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 scropt() { ### @-
    ### run `scrot` through `optipng` and save the result to `~/play/$(now).png`.
--- a/sh/shcom
+++ b/sh/shcom
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 shcom() { ### @-
    ### comment out text from stdin and wrap it in a markdown blockquote
--- a/sh/similar
+++ b/sh/similar
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 similar() { ### @-
    ### highlight adjacent lines up to the first inequivalent character.
--- a/sh/slit
+++ b/sh/slit
@ -1,8 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # works with busybox ash.

--- a/sh/slitt
+++ b/sh/slitt
@ -1,8 +1,5 @@
 #!/usr/bin/env dash
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 # works with busybox ash.

--- a/sh/sortip
+++ b/sh/sortip
@ -1,8 +1,5 @@
 #!/usr/bin/sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 sortip() { ### @- sort lines numerically by IPv4 segments.
    sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n "$@"
--- a/sh/sram
+++ b/sh/sram
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 sram() { ### @-
    ### convert between a couple saveram formats for N64 emulators.
--- a/sh/stfu
+++ b/sh/stfu
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 stfu() { ### @-
    ### invoke a command, silencing stdout and stderr *unless* the command fails.
--- a/sh/streamcrap
+++ b/sh/streamcrap
@ -1,9 +1,6 @@
 #!/usr/bin/env false
 # awful things
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH YES_BASH NO_DASH NO_ASH

 mpvs() {
    mpv --quiet \
--- a/sh/sum
+++ b/sh/sum
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 sum() { ### @-
    ### compute the summation of its arguments without forking processes.
--- a/sh/sv
+++ b/sh/sv
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 sv() { ### @-
    ### collect the lastmost value of every key.
--- a/sh/trash
+++ b/sh/trash
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 trash() { ### @-
    ### output a given number of bytes from `/dev/random`.
--- a/sh/trunc
+++ b/sh/trunc
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 trunc() { ### @-
    ### truncate text to fit within your terminal using the unicode character `…`.
--- a/sh/unarchive
+++ b/sh/unarchive
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 unarchive() { ### @- extract the contents of an archive file in one of many formats.
    ### borrowed from [prezto.](https://github.com/sorin-ionescu/prezto)
--- a/sh/unwrap
+++ b/sh/unwrap
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 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"}'\'
--- a/sh/v_domap
+++ b/sh/v_domap
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 v_domap() {
    argc $# -eq 1 "$0" || return
--- a/sh/v_lower
+++ b/sh/v_lower
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 v_lower() { ### @- transform the contents of a variable to lowercase.
    argc $# -eq 1 "$0" || return
--- a/sh/v_upper
+++ b/sh/v_upper
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 v_upper() { ### @- transform the contents of a variable to uppercase.
    argc $# -eq 1 "$0" || return
--- a/sh/wat
+++ b/sh/wat
@ -1,8 +1,5 @@
 #!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
+# YES_ZSH NO_BASH NO_DASH NO_ASH

 # wat - a better and recursive which/whence
 # via: https://leahneukirchen.org/dotfiles/tools.html
--- a/sh/wipe
+++ b/sh/wipe
@ -1,9 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-# YES_BB_AWK
+# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK

 wipe() { ### @-
    ### clear the screen and its scrollback, then print a high-contrast horizontal line.
--- a/sh/witch
+++ b/sh/witch
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# NO_ZSH
-# NO_BASH
-# YES_DASH
-# YES_ASH
+# NO_ZSH NO_BASH YES_DASH YES_ASH
 # this is `which` from Debian. the only changes are superficial (formatting).
 # this does not work as-is with zsh.

--- a/sh/xxp
+++ b/sh/xxp
@ -1,8 +1,5 @@
 #!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
+# YES_ZSH YES_BASH YES_DASH YES_ASH

 xxp() { ### @-
    ### act like `xxd -p`, but nicely formatted.