File Split
# Edit Giant File
1. count lines
~~~
$ ls // test.txt
$ wc -l test.txt // 93960 test.txt => 93960 lines in test.txt
~~~
2. `split` file
~~~
$ cat test.txt | split -a3
~~~
~~~
$ ls
test.txt xaaf xaal xaar xaax xabd xabj xabp xabv xacb xach xacn xact xacz xadf xadl
xaaa xaag xaam xaas xaay xabe xabk xabq xabw xacc xaci xaco xacu xada xadg xadm
xaab xaah xaan xaat xaaz xabf xabl xabr xabx xacd xacj xacp xacv xadb xadh xadn
xaac xaai xaao xaau xaba xabg xabm xabs xaby xace xack xacq xacw xadc xadi xado
xaad xaaj xaap xaav xabb xabh xabn xabt xabz xacf xacl xacr xacx xadd xadj xadp
xaae xaak xaaq xaaw xabc xabi xabo xabu xaca xacg xacm xacs xacy xade xadk
$ wc -l xaaa // 1000 xaaa => 1000 lines in a file
~~~
3. edit it !
4. combine files
~~~
$ cat xa* > test2.txt
~~~
5. see diff
~~~
$ wc -l test2.txt // 93960 test2.txt
$ diff test.txt test2.txt //
~~~
# options
~~~
split -l 1000 filename // per 1000 lines (default)
split -b 1024m filename // per 1024 M byte
~~~