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| author | rillig <rillig@pkgsrc.org> | 2005-08-24 21:51:10 +0000 |
|---|---|---|
| committer | rillig <rillig@pkgsrc.org> | 2005-08-24 21:51:10 +0000 |
| commit | 66a0b139ae51e0c4682eb663f1bddb234a1898fc (patch) | |
| tree | 6181aaa2be6219a9a89f4ff090801fe36b47518f /mk | |
| parent | c143c1d23648ac4d3e56b6d53246c79a5a506771 (diff) | |
| download | pkgsrc-66a0b139ae51e0c4682eb663f1bddb234a1898fc.tar.gz | |
Added a code snippet that demonstrates how to set the $@ array to the
lines printed by a shell command. In contrast to the read(1) shell
utility, there are no problems when the output contains backslashes.
Diffstat (limited to 'mk')
| -rw-r--r-- | mk/scripts/shell-lib | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/mk/scripts/shell-lib b/mk/scripts/shell-lib index 1d8cb95ac40..23a45cd4876 100644 --- a/mk/scripts/shell-lib +++ b/mk/scripts/shell-lib @@ -1,4 +1,4 @@ -# $NetBSD: shell-lib,v 1.2 2004/09/21 15:14:08 jlam Exp $ +# $NetBSD: shell-lib,v 1.3 2005/08/24 21:51:10 rillig Exp $ # # Copyright (c) 2004 The NetBSD Foundation, Inc. # All rights reserved. @@ -383,3 +383,14 @@ fqueue_is_empty() return 1 fi } + +###################################################################### +# $setargs_from_cmd +# Run $cmd and initialize the $@ array with the lines from that +# command. +# usage: +# cmd="echo *"; eval "${setargs_from_cmd}" +# for i in "$@"; do echo "($i)"; done +###################################################################### +setargs_from_cmd='saved_IFS="${IFS}"; IFS=" +"; set args `eval "${cmd}"`; IFS="${saved_IFS}"; shift' |