aboutsummaryrefslogtreecommitdiff
path: root/sh/shrc.d
diff options
context:
space:
mode:
authorTom Ryder <tom@sanctum.geek.nz>2016-08-21 17:43:58 +1200
committerTom Ryder <tom@sanctum.geek.nz>2016-08-21 17:43:58 +1200
commit2d392c27d78cce8c7b663a17abbd1c699e997b54 (patch)
tree4055783425860cb192f83ac8af0ac82a895ef320 /sh/shrc.d
parentAdd note about dynamic completions (diff)
downloaddotfiles-2d392c27d78cce8c7b663a17abbd1c699e997b54.tar.gz
dotfiles-2d392c27d78cce8c7b663a17abbd1c699e997b54.zip
Cache --quiet option for bc(1) in flag file
As done for grep(1) and ls(1); ed(1) is next
Diffstat (limited to 'sh/shrc.d')
-rw-r--r--sh/shrc.d/bc.sh15
1 files changed, 11 insertions, 4 deletions
diff --git a/sh/shrc.d/bc.sh b/sh/shrc.d/bc.sh
index 643678ac..41331ff9 100644
--- a/sh/shrc.d/bc.sh
+++ b/sh/shrc.d/bc.sh
@@ -1,7 +1,14 @@
-# This function is only applicable if bc(1) has the non-POSIX -q option
-command bc -q </dev/null >&0 2>&0 || return
+# Our ~/.profile should already have made a directory with the supported
+# options for us; if not, we won't be wrapping bc(1) with a function at all
+[ -d "$HOME"/.cache/bc ] || return
-# Don't print the bc(1) welcome message
+# Define function proper
bc() {
- command bc -q "$@"
+
+ # Add --quiet to stop the annoying welcome banner
+ [ -e "$HOME"/.cache/bc/quiet ] &&
+ set -- --quiet "$@"
+
+ # Run bc(1) with the concluded arguments
+ command bc "$@"
}