问题
I have the following line that I run in terminal:
say "hello, this is the computer talking" --interactive
When I run this command, the computer speaks the words in quotes and highlights the words as they are spoken. What I would like to do is get the time of each spoken word. For example:
- 00.00 hello
- 01.23 this
- 01.78 is
- 02.10 the
- 02.70 computer
- 03.30 talking
I am wondering if there is any way to write a bash script that would interact with the output of the line.
回答1:
Here is a Zsh script that almost does exactly what you want.
#!/bin/zsh
zmodload zsh/datetime
say --interactive "hello, this is the computer talking" | {
counter=0
while IFS= read -r -d $'\r' line; do
(( counter++ )) || continue # first line in the output of `say --interactive` suppresses the cursor; discard this line
timestamp=$EPOCHREALTIME
(( counter == 2 )) && offset=$timestamp # set the timestamp of the actual first line at the offset
(( timestamp -= offset ))
printf '%05.2f %s\n' $timestamp ${${line%$'\e[m'*}#*$'\e[7m'}
done
}
Sample output:
00.00 hello
00.26 ,
00.52 this
00.65 is
00.78 the
01.36 computer
02.04 talking
If you want to convert this to bash, then floating point arithmetic needs to be done in external commands like bc, and to get a precise timestamp you would need coreutils date (timestamp=$(gdate +%s.%N)).
By the way, if you don't want to see the comma, you can just filter it out.
来源：https://stackoverflow.com/questions/33768852/can-i-interact-with-the-output-of-the-osx-say-command-in-a-bash-script