user-tools/kt

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 kt - Run command in background terminal; keept(1) convenience wrapper
   9
  10 =head1 SYNOPSIS
  11
  12 kt [jobs | I<COMMAND> I<ARGS>]
  13
  14 =head1 DESCRIPTION
  15
  16 Run I<COMMAND> in a keept(1) session, so you may send it to the background
  17 with all of its terminal I/O, and recall with the same C<kt COMMAND ARGS>
  18 command.
  19
  20 Call C<kt jobs> to show running command sessions.
  21
  22 =head1 FILES
  23
  24 Stores control files in F<~/.cache/keept>.
  25
  26 =head1 SEE ALSO
  27
  28 keept(1)
  29
  30 =cut
  31
  32 EOF
  33
  34
  35 if [ $# = 0 -o "$1" = --help ]
  36 then
  37         echo "Usage: kt [jobs | <COMMAND> <ARGS> ...]"
  38         echo "Run COMMAND in a background terminal, which you can re-attach to with the same command."
  39         echo "\"kt jobs\" list running jobs."
  40         echo "See keept(1) which does the heavy lifing."
  41         exit
  42 fi
  43
  44 if [ "$1" = jobs ]
  45 then
  46         for cmdfile in ~/.cache/keept/kt-*.txt
  47         do
  48                 socket=${cmdfile:0:-4}
  49                 if grep -q "$socket" /proc/net/unix
  50                 then
  51                         started=`stat -c %y "$socket" | cut -f1 -d.`
  52                         cmd=`cat "$cmdfile"`
  53                         pwd=`cat "$socket.cwd"`
  54                         echo "$started  $pwd    $cmd"
  55                 fi
  56         done
  57         exit
  58 fi
  59
  60 command_hash=`echo -n "$*" | md5sum | cut -c 1-32`
  61
  62 set -e
  63
  64 mkdir -p ~/.cache/keept
  65
  66 pwd > ~/.cache/keept/kt-$command_hash.cwd
  67 echo "$@" > ~/.cache/keept/kt-$command_hash.txt
  68
  69 exec keept bwut ~/.cache/keept/kt-$command_hash "$@"