shell: logging + readlog

• logging

#!/bin/bash                                                                                                                                                                                                                                                                               

# a small tool for logging sommething
#
# 1. read your input
# 2. save to logs file >> ~/logs/$(date +%F)
#
# if command like: logging something
#   do echo something >> ~/logs/$(date +%F)                                                                                                                                                                                                                                               

cd ${HOME} || {
        echo "no HOME variable!"
        exit
}                                                                                                                                                                                                                                                                                         

mkdir -p .logs                                                                                                                                                                                                                                                                            

logDir='.logs'                                                                                                                                                                                                                                                                            

if [ $# -gt 0 ] ; then
    echo "$(date +%T) $@" >> $logDir/$(date +%F)
else
    read -p "好记性不如烂笔头，please input info: " info
    echo "$(date +%T)" $info >> $logDir/$(date +%F)
fi                                                                                                                                                                                                                                                                                        

## if faild, output
[ $? -eq 0 ] || echo "logging failed" 

• readlog

#!/bin/bash                                                                                                                                 

[ $# -gt 1 ] && {
    echo "usage: $0 [-1]"
    exit
}                                                                                                                                           

if [ $# -eq 0 ] ; then
    date_file=$(date +%F)
else
    date_file=$(date +%F --date="$1 day")
fi                                                                                                                                          

vim ${HOME}/.logs/$date_file