ref: 374de2252e8f8e797ed93fcd853216c2e6fd3264
dir: /fn/
# audio
# convert audio file to mp3
fn 2mp3{ play -o /fd/1 >[2]/dev/null | audio/pcmconv -i s16r1c1 -o S16r1c1 | audio/mp3enc -q 0 }
# playback samples from microphone (needs setup)
fn admp{ dd -bs 4x441 </dev/audio >/dev/audio }
# audio file name standardization
fn mfmt{ sed $"*^';s/^''//;s/''$//;s/[\[\]\!,\(\)''\$\*\?:\;=]//g;s/\&/and/g;s/ - /./g;s/\.[^\.]+$/.mp3/;s/ /./g;s/\.\././g' | tr A-Z a-z }
# decode audio files(s) and visualize with pplay(1)
fn pcm{ @{o=(); while(~ $1 -?) o=($o $1) && shift; play -o /fd/1 $* >[2]/dev/null | pplay $o}}
# same, without temporary viariables (???)
fn ppcm{ *=($*($#*) $* $#*) play -o /fd/1 $1 >[2]/dev/null | pplay $*(2-$*($#*)) }
# convert a wolf3d digital audio lump
fn wpcm{ audio/pcmconv -i u8c1r7000 -o s16c2r44100 <$1 >/dev/audio }
# play(1) auxiliaries
# skip to next track
fn fw{ for(i in `{fpl}) echo 'echo kill >/proc/'^$i^/note }
# pause playback
fn sto{ for(i in `{fpl}) echo 'echo stop >/proc/'^$i^/ctl }
# resume playback
fn sta{ for(i in `{fpl}) echo 'echo start >/proc/'^$i^/ctl }
# shortcuts for first play(1) process
fn Fw{ fw | sed 1q | rc }
fn Sta{ sta | sed 1q | rc }
fn Sto{ sto | sed 1q | rc }
# recursively list all files in arguments and play shuffled list forever
fn shp{ *=`"{lr -Q $*}; while(! ~ $#* 0) play `'
' {echo -n $* | shl} }
# shuffle play pre-arranged list of files forever
fn shpp{ status='' while(~ $status '') play `{shl <$1} }
# graphics
# display wolf3d graphic lump using wpic and extracted picheader file
fn wp{
a=(`{dd </n/tapefs/piched000.^$2 >[2]/dev/null -bs 4 -count 1 -skip $1 | xd -s -2d | sed 's/ 0+/ /g'})
wpic -x $a(2) -y $a(3) $*(3-) /n/tapefs/pic^$1^.$2 | page
a=()
}
# programming
# dump assembly
fn asm{ 6c -FTVwSo /dev/null $1 }
# ridiculous shortcut for one-file program builds
fn b{ mk -f <{echo '
</$objtype/mkfile
OFILES='$1'.$O
</sys/src/cmd/mkone'}
}
# dump c function body (thanks aiju)
fn catfn{ sed -n '/^'$1'\(/ {x;p;x;};/^'$1'\(/,/^}/p;h' *.c }
#
# file processing
# recursive chown implementation, given fs access
fn chown{ for(i in `'
'{lr -Qd $*(2-)}){ chgrp $1 $i && chgrp -o $1 $i } }
# silly recursive grep(1)
fn gr{ lr -Q $*(2-) | xargs grep -n $1 }
# lower filenames
fn lw{ for(i in $*) mv $i `'
'{echo $i | tr A-Z a-z} }
# recursive copy using mkfs(1)
fn mkcp{ disk/mkfs -z 4096 -s $1 -d $*(2-) /sys/lib/sysconfig/proto/allproto }
# printing
# show troff document
fn doc{ troff -ms <$1 | page }
# show ps document
fn doc2{ echo `{doctype $1} '| lp -dstdout | page' | rc }
# shortcuts
# connect to aijuboard
fn aib{ echo b115200 >/dev/eiaU*.1ctl && con -r /dev/eiaU*.1 }
# wircrc usage
fn ii{ wircrc -T -p 6697 -c 'irc.freenode.net!#cat-v,irc.freenode.net!#setecastronomy' -n qwx }
# quake2 crbot
fn q2cr{ qk2 -g crbot $* +set deathmatch 1 +set ctf 0 }
# quake2 ctf
fn q2f{ qk2 -g ctf $* +set ctf 1 }
# display shuffled list of images
fn shi{ page `'
'{lr -Q $* | shl | sed 5000q} }
# default vt(1) params
fn t{ vt -2bf /lib/font/bit/fixed/unicode.6x10.font }
# launch graphical program on a unix host
fn ff{ A=$*(2-); ssh $user@$1 'DISPLAY=:0 '^$"A^' >/dev/null 2>&1'; A=() }
# rio
# clear window
fn clr{ {}>/dev/text }
# get current window dimensions
fn wsz{ dd -bs 4x12 -count 1 </mnt/wsys/wctl >[2]/dev/null | awk '{print $3-$1, $4-$2}' }
# sys
# bind hg repo to root and execute hg command
fn fhg{ bind -ac /dist/plan9front /; fn fhg; hg $* }
# hangup connections to given hosts
fn nctl{ echo 'echo hangup >/net/'^`{netstat -n|sed -n 's,^([^ ]+) +([^ ]+) +[^ ]+ +[^ ]+ +[^ ]+ +'$1'.*,\1/\2/ctl\;,p'} }
# show announced ports and established connections
fn netopn{ netstat -n | grep 'Established|Listen' }
# get list of /proc dirs for matched process names
fn pn{ ps -n | sed -n '/.* '$1'$/s,[^ ]+ +([0-9]+).*,/proc/\1/,p' }
# grep process table
fn psd{ *=`{echo $"* | sed 's/ /|/g'}; ps -n | grep $* }
# reset vga(8) state with vesa
fn vr{ @{rfork n; aux/realemu; aux/vga -lm vesa $vgasize} }
# mail
# manual mail archive
fn arc{ cat >/mail/box/qwx/arc/`{date -n} }
# update dir with new messages from archived mailing list
fn mlu{ cd /n/lists.9front.org/lists/$1; tar c `{diff <{lr} <{cd $2; lr} | sed '/^[^<]/d;s/< //'} | @{cd $2; tar xT} }
# webshit
# simple ninetimes
fn 9t{
hget http://code.9front.org/hg/plan9front | htmlfmt |
sed '1,6d;$d;/^[A-Za-z,]+ [0-9][0-9] [A-Za-z]+ 20[0-9][0-9] [0-9:]+ [0-9\+\-]+/{N;s/\n/ /;}'
}
# query english vocabulary
fn geq{ plumb http://www.dictionary.com/browse/^$1 }
# query german vocabulary
fn gq{ plumb 'http://www.dict.cc/?s='^$* }
# query weather
fn wth{ plumb http://wttr.in/$1 }