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authorMike Frysinger <vapier@gentoo.org>2011-11-10 21:46:08 -0500
committerMike Frysinger <vapier@gentoo.org>2011-11-19 02:25:36 -0500
commitef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 (patch)
treef1ebb65eec6eb156a0fba737bcd5386af2a9ebfe /sh/functions.sh.in
parent0510c473d4cd9097401e3a7bc236b0121977b81d (diff)
make shell math operations style more succulent
Convert the style: var=$((${var} + 1)) to: : $(( var += 1 )) The latter is easier to read imo. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sh/functions.sh.in')
-rw-r--r--sh/functions.sh.in4
1 files changed, 2 insertions, 2 deletions
diff --git a/sh/functions.sh.in b/sh/functions.sh.in
index 1d1b0cd0..b00ec68e 100644
--- a/sh/functions.sh.in
+++ b/sh/functions.sh.in
@@ -8,14 +8,14 @@ RC_GOT_FUNCTIONS="yes"
eindent()
{
- EINFO_INDENT=$((${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
}