38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
# shellcheck shell=bash
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about-plugin 'improve history handling with sane defaults'
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# Append the history list to the file named by the value of the HISTFILE
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# variable when the shell exits, rather than overwriting the file.
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shopt -s histappend
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# erase duplicates; alternative option: HISTCONTROL=ignoredups
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: "${HISTCONTROL:=ignorespace:erasedups}"
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# resize history to 100x the default (500)
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: "${HISTSIZE:=50000}"
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# Flush history to disk after each command.
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export PROMPT_COMMAND="history -a;${PROMPT_COMMAND}"
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function top-history() {
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about 'print the name and count of the most commonly run tools'
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# - Make sure formatting doesn't interfer with our parsing
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# - Use awk to count how many times the first command on each line has been called
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# - Truncate to 10 lines
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# - Print in column format
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HISTTIMEFORMAT='' history \
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| awk '{
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a[$2]++
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}END{
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for(i in a)
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printf("%s\t%s\n", a[i], i)
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}' \
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| sort --reverse --numeric-sort \
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| head \
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| column \
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--table \
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--table-columns 'Command Count,Command Name' \
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--output-separator ' | '
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}
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