41 lines
1.1 KiB
Bash
41 lines
1.1 KiB
Bash
#!/usr/bin/env zsh
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# Highlight cat output with either $CATOPEN or $LESSOPEN. The command needs to
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# have %s in it that will be replaced with all input files. Some programs that
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# are known to not work will be ignored in $LESSOPEN but not in $CATOPEN.
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# Example:
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# export CATOPEN="highlight --force --out-format=truecolor --stdout %s"
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# alias cat='cat-highlight'
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# Check if we are in a terminal and a highlighter is defined
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if [[ -t 1 ]] && [[ -n "${CATOPEN}" || -n "${LESSOPEN}" ]]; then
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if [[ -z "${CATOPEN}" ]]; then
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# Programs that won't work with cat
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local -a known_bad=("lesspipe")
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for baddy in ${known_bad}; do
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if [[ "${LESSOPEN}" =~ "${baddy}" ]]; then
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\cat "${@}"
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return ${?}
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fi
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done
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local catopen="${LESSOPEN/|/}"
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else
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local catopen="${CATOPEN}"
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fi
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local -a args
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local -a files
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for arg in "${@}"; do
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# Filter out file names
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if [[ "${arg[1]}" != "-" ]]; then
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files+="${arg}"
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else
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args+="${arg}"
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fi
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done
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eval "${catopen/\%s/${files}} | \cat ${args}"
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else
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\cat "${@}"
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fi
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