[shell output the table] #shell

shell outputTable.sh

#!/bin/bash

sep="#"

# write the table border
function segmentation(){
    local seg=""
    local i
    for i in $(seq $column_count)
    do 
        seg+="+${sep}"
    done
    seg+="+\n"
    echo $seg
}

# set_title Column_0 "Column 1" "" Column3
function set_title(){
    [ -n "$title" ] && echo "Warring:表头已经定义过,重写表头和内容"
    column_count=0
    title=""
    local i
    for i in "$@"
    do
        title+="|${i}${sep}"
        let column_count++
    done
    title+="|\n"
    seg=`segmentation`
    title="${seg}${title}${seg}"
    content=""
}

# 表格追加行
function append_line(){
    check_line
    line=""
    local i
    for i in "$@"
    do
        line+="|$i${sep}"
    done
    check_line
    line=""
}

# 检查行
function check_line(){
if [ -n "$line" ] 
then
    c_c=$(echo $line|tr -cd "${sep}"|wc -c)
    difference=$((${column_count}-${c_c}))
    if [ $difference -gt 0 ]
    then
        line+=$(seq -s " " $difference|sed -r s/[0-9]\+/\|${sep}/g|sed -r  s/${sep}\ /${sep}/g)
    fi
    content+="${line}|\n"
fi
}

# 输出表格内容
function output_table(){
    if [ ! -n "${title}" ] 
    then
        echo "未设置表头，退出" && return 1
    fi
    table="${title}${content}$(segmentation)"
    echo -e $table|column -s "${sep}" -t|awk '{if($0 ~ /^+/){gsub(" ","-",$0);print $0}else{gsub("\\(\\*\\)","\033[31m(*)\033[0m",$0);print $0}}'
}

if [ "$SHLVL" -eq "2" ]
then
    set_title ID Name "Creation time"
    append_line 1 "TF" "2017-01-01"
    append_line 2 "" "2017-01-02(*)"
    append_line 3 "SF"
    append_line 3 "SF" "(*)"
    append_line 4 "TS"
    append_line 5
    output_table
fi