Shell Primer-tr replacement character and split cut large file

Command: TR

Description: Replace character

Format TR ' original character ' new character ' can be range character, specified character

Command: Split

Option:-B 50m 1.txt According to the size of the split unit is b without units, units are trillion plus m

-L 1.txt divided by row number

Description: Cut large files, source files will not disappear,

[[email protected] ~]# ls *.txt
1.txt [2345].txt 2.txt 999.txt c.txt D.txt
[[email protected] ~]# ls *.txt |tr ' A-Z ' A-Z '////replace the A-Z in the file of LS into a-Z range replacement
1.TXT
[2345]. Txt
2.TXT
999.TXT
C.TXT
D.TXT

[[email protected] ~]# ls *.txt |tr ' CD ' CA '///C and D in the file of LS to replace C and a respectively
1.txt
[2345].txt
2.txt
999.txt
C.txt
A.txt

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Split

-L

[[email protected] home]# ls
Anaconda-ks.cfg
[[email protected] home]# wc-l anaconda-ks.cfg////line number 33
Anaconda-ks.cfg
[Email protected] home]# split-l anaconda-ks.cfg
[[email protected] home]# ls
Anaconda-ks.cfg Xaa xab xac xad

[[email protected] home]# wc-l x*////Line Count
Ten XAA
Ten Xab
Ten Xac
3 Xad
33 Total Dosage

-B

[[email protected] home]# DU-SB anaconda-ks.cfg////size 956b
956 Anaconda-ks.cfg
[Email protected] home]# Split-b anaconda-ks.cfg
[[email protected] home]# ls
Anaconda-ks.cfg Xaa xab xac xad
[Email protected] home]# du-sb xa? The same size
Xaa
Xab
Xac
Xad

Customizing new file names

[Email protected] home]# split-b anaconda-ks.cfg new_
[[email protected] home]# ls
Anaconda-ks.cfg new_aa new_ab new_ac new_ad xaa xab xac xad

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Summary: TR ' original character ' new character '///split-l behavior Unit-B size unit

Shell Primer-tr replacement character and split cut large file