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| author | Mike Frysinger <vapier@gentoo.org> | 2011-11-10 21:46:08 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-11-19 02:25:36 -0500 |
| commit | ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 (patch) | |
| tree | f1ebb65eec6eb156a0fba737bcd5386af2a9ebfe /sh/functions.sh.in | |
| parent | 0510c473d4cd9097401e3a7bc236b0121977b81d (diff) | |
| download | openrc-ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140.tar.gz openrc-ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140.tar.bz2 openrc-ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140.tar.xz | |
make shell math operations style more succulent
Convert the style:
var=$((${var} + 1))
to:
: $(( var += 1 ))
The latter is easier to read imo.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sh/functions.sh.in')
| -rw-r--r-- | sh/functions.sh.in | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sh/functions.sh.in b/sh/functions.sh.in index 1d1b0cd..b00ec68 100644 --- a/sh/functions.sh.in +++ b/sh/functions.sh.in @@ -8,14 +8,14 @@ RC_GOT_FUNCTIONS="yes" eindent() { - EINFO_INDENT=$((${EINFO_INDENT:-0} + 2)) + : $(( EINFO_INDENT = ${EINFO_INDENT:-0} + 2 )) [ "$EINFO_INDENT" -gt 40 ] && EINFO_INDENT=40 export EINFO_INDENT } eoutdent() { - EINFO_INDENT=$((${EINFO_INDENT:-0} - 2)) + : $(( EINFO_INDENT = ${EINFO_INDENT:-0} - 2 )) [ "$EINFO_INDENT" -lt 0 ] && EINFO_INDENT=0 return 0 } |