{"id":17193,"date":"2018-09-23T19:18:50","date_gmt":"2018-09-23T19:18:50","guid":{"rendered":"http:\/\/www.beautifulwork.org\/?p=17193"},"modified":"2018-09-23T19:18:50","modified_gmt":"2018-09-23T19:18:50","slug":"compgen-builtin-command-exposure","status":"publish","type":"post","link":"https:\/\/www.trueangle.org\/index.php\/2018\/09\/23\/compgen-builtin-command-exposure\/","title":{"rendered":"compgen builtin command exposure"},"content":{"rendered":"

ABOUT compgen<\/u><\/p>\n

\ncompgen is bash built-in command and it will show all available commands, aliases, and functions for you. \n<\/pre>\n
TYPICAL COMMANDLINE EXPOSURE RELATED<\/u>
\n[bash]
\n$compgen -k
\nif
\nthen
\nelse
\nelif
\nfi
\ncase
\nesac
\nfor
\nselect
\nwhile
\nuntil
\ndo
\ndone
\nin
\nfunction
\ntime
\n{
\n}
\n!
\n[[
\n]]
\ncoproc
\n$
\n$compgen -a
\nls
\n$
\n$compgen -b
\n.
\n:
\n[
\nalias
\nbg
\nbind
\nbreak
\nbuiltin
\ncaller
\ncd
\ncommand
\ncompgen
\ncomplete
\ncompopt
\ncontinue
\ndeclare
\ndirs
\ndisown
\necho
\nenable
\neval
\nexec
\nexit
\nexport
\nfalse
\nfc
\nfg
\ngetopts
\nhash
\nhelp
\nhistory
\njobs
\nkill
\nlet
\nlocal
\nlogout
\nmapfile
\npopd
\nprintf
\npushd
\npwd
\nread
\nreadarray
\nreadonly
\nreturn
\nset
\nshift
\nshopt
\nsource
\nsuspend
\ntest
\ntimes
\ntrap
\ntrue
\ntype
\ntypeset
\nulimit
\numask
\nunalias
\nunset
\nwait
\n$
\n[\/bash]
\n[bash]
\n$cat comp.sh
\n#!\/bin\/bash<\/p>\n
commands=`compgen -c`
\nlet count=1<\/p>\n
for i in ${commands[@]}
\ndo<\/p>\n
        what=`whatis $i`<\/p>\n
        echo -e "n33[38;5;148m$count. $i: 33[39m"
\n        echo -e "$what"<\/p>\n
        ((count++))<\/p>\n
done
\n$<\/p>\n
$bash comp.sh  | head
\nif: nothing appropriate.
\nn33[38;5;148m1. if: 33[39m<\/p>\n
then: nothing appropriate.
\nn33[38;5;148m2. then: 33[39m<\/p>\n
else: nothing appropriate.
\nn33[38;5;148m3. else: 33[39m<\/p>\n
elif: nothing appropriate.
\nn33[38;5;148m4. elif: 33[39m<\/p>\n
fi: nothing appropriate.
\nn33[38;5;148m5. fi: 33[39m<\/p>\n
case: nothing appropriate.
\n$<\/p>\n
[\/bash]
\nLINKS
\nhttps:\/\/www.cyberciti.biz\/open-source\/command-line-hacks\/compgen-linux-command\/<\/a>
\nhttps:\/\/www.gnu.org\/software\/bash\/manual\/html_node\/A-Programmable-Completion-Example.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
ABOUT compgen compgen is bash built-in command and it will show all available commands, aliases, and functions for you. TYPICAL COMMANDLINE EXPOSURE RELATED [bash] $compgen -k if then else elif fi case esac for select while until do done in function time { } ! [[ ]] coproc $ $compgen -a ls $ $compgen -b … <\/p>\n
Continue reading “compgen builtin command exposure”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,8],"tags":[563],"_links":{"self":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/17193"}],"collection":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/comments?post=17193"}],"version-history":[{"count":0,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/17193\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/media?parent=17193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/categories?post=17193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/tags?post=17193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}