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comparison master/bin/pbash.sh @ 54:1099246f22b6

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new scripts
author Henry S. Thompson <ht@markup.co.uk>
date Fri, 08 Feb 2019 17:46:49 +0000
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53:9df880d45440 54:1099246f22b6
1 #!/bin/bash
2 if [ $# -lt 1 ]
3 then
4 cat 1>&2 <<EOF
5 Usage: $0 [-h sshHostFile] cmd [...args]
6 Where SSname is the name of a VM scale set.
7 sshHostFile (defaults to $WORKERS) is the name of a file in
8 .parallel which lists hosts and ports, see man parallel for details
9
10 Runs cmds/cmdlines on every machine in a scale set,
11 using parallel --nonall
12
13 cmd+args can be quoted to run over multiple lines
14
15 Use xargs $0... to get multiple args from stdin, e.g.
16 > xargs $0 W4 echo
17 hello
18 world
19 ^D
20 hello world
21 hello world
22 ...
23
24 Do
25 > echo 'will cite' | parallel --citation 2>/dev/null
26 to turn off citation prompt
27 EOF
28 exit 1
29 fi
30 if [ $1 = -h ]
31 then
32 shift
33 shf="$1"
34 shift
35 else
36 shf=$WORKERS
37 fi
38 parallel --sshloginfile $shf --nonall "$@"
39
40
41