==== shell ====
==== rsync ====
==== awk ====
==== gcc ====
==== PowerShell ==
==== shell snippet ====
代码行数统计
bash> find . -name "*.h" -o -name "*.cpp" | xargs wc -l
PS> ls -r *.h,*.cpp | cat | Measure-Object -Line
文本过滤
bash> find . -name "*.txt" | xargs grep "string"
PS> ls -r *.txt | sls "string" (sls == Select-String)
以某一列的内容排序
> cat c.txt
aaa bbb ccc sort002
aaa bbb ddd sort001
aaa vvv qqq sort003
bash> gawk '{print $4,$0}' c.txt | sort
PS D:\> cat c.txt | %{ [regex]::split($_, '[ \t]')[3] + ' ' + $_ } | sort
sort001 aaa bbb ddd sort001
sort002 aaa bbb ccc sort002
sort003 aaa vvv qqq sort003
添加文字内容
> cat a.txt
aaa
bbb
ccc
bash> ???
PS D:\> $val = 0
PS D:\> cat .\b.txt | %{ [int]$val += 1; $val.toString() + ": '" + $_ + "',"; }
1: 'aaa',
2: 'bbb',
3: 'ccc',
==== other blogs ====
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