Add help flag

3 files changed, 5 insertions, 4 deletions

diff --git a/README.md b/README.md
index 49ae925..06d680f 100644
--- a/README.md
+++ b/README.md
@@ -31,4 +31,5 @@ I made volsv so that I could use it with keybindings to control the volume, rega
 - toggle microphone mute\*: `mic` or `-m`
 - get volume level: `getv` or `-v`
 - get mute state: `getm` or `-g`
+- help message: `-h`
 
diff --git a/volsv b/volsv
index f79662b..5103c7e 100755
--- a/volsv
+++ b/volsv
@@ -1,8 +1,4 @@
 #!/bin/sh
-# calculate average of two integers (for ALSA)
-average () {
-  echo "$(( $(( $1 + $2 )) / 2 ))$"
-}
 # print error message
 printerror () {
   echo "$1 is not a recognized command or flag"
diff --git a/volsv.1 b/volsv.1
index 3ffcd4a..51c9803 100644
--- a/volsv.1
+++ b/volsv.1
@@ -9,6 +9,7 @@ volsv \- volume set variable
 .RB [ \-m ]
 .RB [ \-v ]
 .RB [ \-g ]
+.RB [ \-h ]
 .SH DESCRIPTION
 .B volsv
 Volsv is a free software, POSIX shell compliant script ZachIR wrote in 2020, and
@@ -17,6 +18,9 @@ pulseaudio if it is running, and ALSA if it is not. More sound servers are
 intended to be added in future versions.
 .SH OPTIONS
 .TP
+.B \-h
+volsv displays help message
+.TP
 .B \-i
 volsv increases the volume by 5%
 .TP