Passing arguments to case

Question

Hi, I am trying to run this script as follows;
avplaylist -a Music/artist/
or
avplaylist -v Videos/tv_show/
and have it create a sorted playlist for me. It works if I make one function for audio and one for video but not this way, what am I doing wrong?
#!/bin/bash
caser() {
while read i; do
case "$i" in
"$1") echo "$i" >> "$3" ;;
esac
done < <(find "$2" -name "*" | sort)
lister() {
if [ -e "$1" ]; then
cat "$1" | wc -l
else
echo 0
fi
case "$1" in
-v)
caser "*.mov|*.avi|*.mp4|*.flv|*.wmv|*.MTS|*.mpeg|*.mpg|*.mkv" "$2" "videoplaylist"
lister "videoplaylist"
-a)
caser "*.wav|*.aif|*.aiff|*.wma|*.mp3|*.ac3|*.flac|*.ogg" "$2" "audioplaylist"
lister "audioplaylist"
esac
Thanks in advance!

Answer 1

roygbiv, the $1,$2..$n are not reserved for the command-line when you call functions as above, at least that is my understanding.
The problem seems to be when I try to pass "*.mov|*.avi|*.mp4|*.flv|*.wmv|*.MTS|*.mpeg|*.mpg|*.mkv" as an argument, since this version works:
#!/bin/bash
vcaser() {
while read i; do
case "$i" in
*.mov|*.avi|*.mp4|*.flv|*.wmv|*.MTS|*.mpeg|*.mpg|*.mkv) echo "$i" >> "$2" ;;
esac
done < <(find "$1" -name "*" | sort)
acaser() {
while read i; do
case "$i" in
*.wav|*.aif|*.aiff|*.wma|*.mp3|*.ac3|*.flac|*.ogg) echo "$i" >> "$2" ;;
esac
done < <(find "$1" -name "*" | sort)
lister() {
if [ -e "$1" ]; then
cat "$1" | wc -l
else
echo 0
fi
case "$1" in
-v)
vcaser "$2" "videoplaylist"
lister "videoplaylist"
-a)
acaser "$2" "audioplaylist"
lister "audioplaylist"
esac
Passing of $1,$2..$n variables works just fine in this version!