How to eliminate consecutives duplicates from history ?
Answer
# pwd # pwd # pwd # history | tail -4 44 pwd 45 pwd 46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups 57 pwd [Note that there is only one pwd command in the history, even after executing pwd 3 times as shown above] 58 history | tail -4
Question
How to eliminate consecutives duplicates from history ?
Answer
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Question
How to eliminate consecutives duplicates from history ?
Answer
# pwd # pwd # pwd # history | tail -4 44 pwd 45 pwd 46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups 57 pwd [Note that there is only one pwd command in the history, even after executing pwd 3 times as shown above] 58 history | tail -4
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15 Examples To Master Linux Command Line History the following example pwd was typed three times, when you do history, you can see all the 3 continuous occurrences of it. To eliminate duplicates, set HISTCONTROL to ignoredups as shown below. <span># pwd # pwd # pwd # history | tail -4 44 pwd 45 pwd 46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups 57 pwd [Note that there is only one pwd command in the history, even after executing pwd 3 times as shown above] 58 history | tail -4 9. Erase duplicates across the whole history using HISTCONTROL The ignoredups shown above removes duplicates only if they are consecutive commands. To eliminate duplicates across the wh
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not learned
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