跟我一起写shell补全脚本(Bash篇) - SegmentFault



跟我一起写shell补全脚本(Bash篇) - SegmentFault

上一篇里我们定下了给pandoc写补全脚本的计划:

  1. 支持主选项(General options)
  2. 支持子选项(Reader options/General writer options)
  3. 支持给选项提供参数值来源。比如在敲pandoc -f之后,能够补全FORMAT的内容。

支持主选项

先列出实现了第一阶段目标的程序:

# 以pandoc的名字保存下面的程序  _pandoc() {      local pre cur opts        COMPREPLY=()      #pre="$3"      #cur="$2"      pre=${COMP_WORDS[COMP_CWORD-1]}      cur=${COMP_WORDS[COMP_CWORD]}      opts="-f -r -t -w -o --output -v --version -h --help"      case "$cur" in      -* )          COMPREPLY=( $( compgen -W "$opts" -- $cur ) )      esac  }  complete -F _pandoc -A file pandoc

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