sistema_progs

Programas para customizar o meu entorno de traballo nos meus equipos persoais
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D1956.sh (670B)

      1 #!/usr/bin/env bash
      2 
      3 prefix=D1956
      4 
      5 function test1/fds {
      6   local pid=$(exec sh -c 'echo "$PPID"')
      7   ls -la "/proc/$pid/fd" >/dev/tty
      8 } <&"$_test1_a" >&"$_test1_b"
      9 
     10 function test1/sqlite3 {
     11   exec sqlite3 -quote -cmd "-- [ble-test1: $$]" "$prefix.sqlite3" <&"$_test1_a" >&"$_test1_b"
     12 }
     13 
     14 function test1 {
     15   local fa=$prefix.a.pipe
     16   local fb=$prefix.b.pipe
     17   rm -f "$fa" "$fb"
     18   mkfifo "$fa" "$fb"
     19   exec 36<> "$fa"
     20   exec 37<> "$fb"
     21   _test1_a=36
     22   _test1_b=37
     23 
     24   #bgpid=$(test1/sqlite3 >/dev/null & disown; echo $!)
     25   bgpid=$(test1/fds >/dev/null & disown; echo $!)
     26   if ! kill -0 "$bgpid"; then
     27     echo 'background sqlite3 failed to start.' >&2
     28     bgpid=
     29   fi
     30 }
     31 test1