112 lines
1.4 KiB
Text
112 lines
1.4 KiB
Text
trap 'rm /tmp/newhistory' 0
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file=bax
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history -c
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HISTFILE=history.list
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HISTCONTROL=ignoreboth
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HISTIGNORE='&:#*:history*:fc*'
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# we will end up exercising the history stifling code as a result
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HISTSIZE=32
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shopt -s cmdhist
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set -o history
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history -p '!!'
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history
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HISTFILE=/tmp/newhistory
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history -a
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history -w
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history -s "echo line 2 for history"
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history
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history -p '!e'
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history -p '!!'
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set -H
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!!
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!e
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history
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echo a b c d e
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!?ch?
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!-2
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^2^8
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!2
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# we're selecting /bin/sh -c ...; we want `sh'
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echo !-1:0:t
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# we're selecting /bin/sh -c ...; we want `/bin'
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echo !-2:0:h
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# we're selecting `echo a b c d e'; we want `e'
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echo !?d?:5
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echo a b c d e
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echo !-1:2-$
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echo !-2:2-4
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echo !-2:3*
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echo !!:*
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echo !?a?:2-
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echo file.c
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echo !!:$:r
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echo !-2:$:e
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echo !-3:$:r:q
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echo $file.c
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echo !!:$:r
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echo !-2:^:e
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echo !-3:$:r:q
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echo a b c d e
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echo !!:1-$:x
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echo !-2:1-$:q
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echo foo.c foo.o foo.html foo.h
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!!:s/foo/bar/
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!-2:gs/foo/bar/
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!!:gs/bar/x&/
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!-2:g&
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# make sure we can use any delimiter in the substitution, not just `/'
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!!:gs+bar+whix+
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!!:p
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# wow
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echo !?.o?:%:r:q
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!!:0 !?.h?:%:q
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!!:-$
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!:-$
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history
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# make sure single quotes inhibit history expansion
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echo '!!'
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# make sure backslashes can quote the history expansion character
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echo \!\!
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# but other expansions on the line should still be processed
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echo '!!' !!:*
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history -c
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unset HISTFILE
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# make sure that the special bash cases are not history expanded
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case p in
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[!A-Z]) echo ok 1;;
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esac
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var1='ok 2'
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var2=var1
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echo ${!var2}
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