o Open file at optional address

Usage: o [com- ] [file] ([offset])

• o[j] 🚀 list opened files asciinema

  • o or oj can be used to find the path of currently opened binaries

• oa[-] [A] [B] [filename] Specify arch and bits for given file
• oq[.] list all open files
• o* list opened files in r2 commands
• o. [len] open a malloc://[len] copying the bytes from current offset

• o= 🚀 list opened files (ascii-art bars) asciinema

• ob[?] [lbdos] [...] list opened binary files backed by fd

• oc [file] 🚀 open core file, like relaunching r2 asciinema

• oi[-|idx] alias for o, but using index instead of fd

• oj[?] list opened files in JSON format

• oL[j] list all IO plugins registered

• om[?] create, list, remove IO maps

• on [file] 0x4000 map raw file at 0x4000 (no r_bin involved)

• oo[?] reopen current file (kill+fork in debugger)

• oo+ reopen current file in read-write

• This is a substitute for -w as a paramter when opening the file

• ood [args] reopen in debugger mode (with args)

• oo[bnm] [...] see oo? for help

• op [fd] priorize given fd (see also ob)

• o 4 Switch to open file on fd 4
• o-1 close file descriptor 1
• o-* close all opened files
• o-! close all files except the current one
• o-- close all files, analysis, binfiles, flags, same as !r2 --
• o [file] open [file] file in read-only
• o+ [file] open file in read-write mode
• o [file] 0x4000 map file at 0x4000
• ox fd fdx exchange the descs of fd and fdx and keep the mapping