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43 lines
1.2 KiB
Fish
43 lines
1.2 KiB
Fish
# This function is typically bound to Alt-W, it is used to list man page entries
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# for the command under the cursor.
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function __fish_whatis_current_token -d "Show man page entries or function description related to the token under the cursor"
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set -l token (commandline -pt)
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test -n "$token"
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or return
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printf "\n"
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set -l desc "$token: nothing appropriate."
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set -l tokentype (type --type $token 2>/dev/null)
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switch "$tokentype"
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case function
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set -l funcinfo (functions $token --details --verbose)
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test $funcinfo[5] != n/a
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and set desc "$token - $funcinfo[5]"
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case builtin
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set desc (__fish_print_help $token | awk "/./ {print; exit}")
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case file
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set -l tmpdesc (whatis $token 2>/dev/null)
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and set desc $tmpdesc
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end
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printf "%s\n" $desc
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set -l line_count (count (fish_prompt))
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# Ensure line_count is greater than one to accomodate different
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# versions of the `seq` command, some of which print the sequence in
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# reverse order when the second argument is smaller than the first
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if test $line_count -gt 1
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for x in (seq 2 $line_count)
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printf "\n"
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end
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end
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commandline -f repaint
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end
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