| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Usage:
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| 4 | # ./tty.sh <function name>
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| 5 |
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| 6 | set -o nounset
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| 7 | set -o pipefail
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| 8 | set -o errexit
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| 9 |
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| 10 | # makes a file called ttyrecord. Has TIMING info.
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| 11 | ttyrec-demo() {
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| 12 | ttyrec -e demo/pyreadline.py
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| 13 | }
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| 14 |
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| 15 | play() {
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| 16 | ttyplay ttyrecord
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| 17 | }
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| 18 |
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| 19 | # makes a file called 'typescript'
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| 20 | script-demo() {
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| 21 | script -c demo/pyreadline.py "$@"
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| 22 | }
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| 23 |
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| 24 | # TODO: Can we see how efficient it is?
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| 25 | show-script() {
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| 26 | #od -c typescript
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| 27 | cat typescript
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| 28 | }
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| 29 |
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| 30 | # Conclusion: readline is smart enough not to redraw the entire line when you
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| 31 | # use set_completer_delims('')! So you should do that!
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| 32 | #
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| 33 | # You can see this by using -W -- it deletes stuff.
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| 34 |
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| 35 | readonly FIFO=_tmp/script-fifo
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| 36 |
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| 37 | record-to-fifo() {
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| 38 | local cmd=${1:-demo/pyreadline.py} # e.g. try zsh or bash
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| 39 | mkfifo $FIFO || true
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| 40 | script --flush --command "$cmd" $FIFO
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| 41 | }
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| 42 |
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| 43 | # in another window. This shows control codes.
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| 44 | # Honestly this could use a Python version using repr().
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| 45 |
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| 46 | # Recording fish is interesting. It apparently does React-like diffing.
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| 47 | # It optimizes the control codes when you navigate the file list.
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| 48 | #
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| 49 | # Elvish doesn't do this! It draws the whole thing each time!
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| 50 |
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| 51 | play-fifo() {
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| 52 | cat -A $FIFO
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| 53 | }
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| 54 |
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| 55 | # Cool program!
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| 56 | # https://github.com/haberman/vtparse
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| 57 | vtparse-fifo() {
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| 58 | ~/git/languages/vtparse/test < $FIFO
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| 59 | }
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| 60 |
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| 61 | "$@"
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