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skeggse/wdiff.sh

Created February 27, 2018 18:28
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  1. skeggse created this gist Feb 27, 2018.
    30 changes: 30 additions & 0 deletions wdiff.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,30 @@
    #!/bin/bash

    INTERVAL=1

    afile="$(mktemp)"
    bfile="$(mktemp)"

    function show_diff() {
    a="$1"
    b="$2"
    diff="$(git diff --no-index --color "$b" "$a" | tail -n +5)"
    if [[ "$diff" != '' ]]; then
    date
    echo "$diff"
    fi
    }

    "$@" | tee "$bfile"
    echo

    while true; do
    sleep 1
    "$@" > "$afile"
    show_diff "$afile" "$bfile"
    sleep 1
    "$@" > "$bfile"
    show_diff "$bfile" "$afile"
    done

    rm "$afile" "$bfile"