diff --git a/2022/day07/day07.hs b/2022/day07/day07.hs
new file mode 100644
index 0000000..2074174
--- /dev/null
+++ b/2022/day07/day07.hs
@@ -0,0 +1,57 @@
+import Data.List
+
+type Name = String
+type Size = Int
+
+data Inode = File Name Size | Folder Name [Inode] deriving Show
+data ICrumb = ICrumb Name [Inode] deriving Show
+
+type IZipper = (Inode, [ICrumb])
+
+main :: IO ()
+main = do
+  input <- map words <$> lines <$> readFile "input"
+  let fullFS = walk (tail input) ((Folder "/" []), [])
+  let sizeList = getDirSizeList $ upTop fullFS
+  print $ sum $ filter (<100000) sizeList
+  let toDelete = (subtract 40000000) $ getDirSize $ upTop fullFS
+  print $ head $ dropWhile (< toDelete) $ sort sizeList
+
+
+up :: IZipper -> IZipper
+up (node, ICrumb name nodes:crumbs) = (Folder name (node:nodes), crumbs)
+
+upTop :: IZipper -> IZipper
+upTop (inode, []) = (inode, [])
+upTop z = upTop (up z)
+
+newFile :: Inode -> IZipper -> IZipper
+newFile node (Folder name nodes, crumbs) = (Folder name (node:nodes), crumbs)
+
+goTo :: Name -> IZipper -> IZipper
+goTo name (Folder fname nodes, crumbs) =
+     let (ls, node:rs) = break (nameIs name) nodes
+     in (node, ICrumb fname (ls++rs):crumbs)
+
+
+nameIs :: Name -> Inode -> Bool
+nameIs name (Folder folderName _) = name == folderName
+nameIs name (File fileName _) = name == fileName
+
+walk :: [[String]] -> IZipper -> IZipper
+walk (("$":"cd":name:[]):xs) z = walk xs $ if name==".." then up z else goTo name z
+walk (("$":"ls":[]):xs) z = walk xs z
+walk (("dir":name:[]):xs) z = walk xs $ newFile (Folder name []) z
+walk ((size:name:[]):xs) z = walk xs $ newFile (File name (read size)) z
+walk _ z = z
+
+
+getDirSize :: IZipper -> Int
+getDirSize ((Folder _ nodes),_) = sum [getSize node | node<-nodes]
+    where getSize (File _ size) = size
+          getSize folder = getDirSize (folder,[])
+getDirSize _ = 0
+
+getDirSizeList :: IZipper -> [Int]
+getDirSizeList ((Folder _ nodes),_) = getDirSize ((Folder "" nodes),[]) : concat [getDirSizeList (node,[]) | node<-nodes]
+getDirSizeList _ = []
diff --git a/2022/day07/input b/2022/day07/input
new file mode 100644
index 0000000..26bc489
--- /dev/null
+++ b/2022/day07/input
@@ -0,0 +1,1074 @@
+$ cd /
+$ ls
+dir cwdpn
+dir drzllllv
+dir fqflwvh
+dir jczm
+dir jstfcllw
+dir lhltq
+dir llpmvt
+dir tgmt
+dir wcbq
+$ cd cwdpn
+$ ls
+dir mnm
+dir nmsvc
+dir rgbdq
+$ cd mnm
+$ ls
+82227 grgj
+dir plldwn
+dir rtpjd
+dir shvplq
+$ cd plldwn
+$ ls
+114478 gtpgsvv.jch
+58874 gzggrfm.rtw
+247491 nrsrmplp
+114552 nzrdgsgm.fzh
+dir prwm
+$ cd prwm
+$ ls
+269910 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd rtpjd
+$ ls
+dir pnrbvd
+65341 wfjltczw.qnc
+$ cd pnrbvd
+$ ls
+99117 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd shvplq
+$ ls
+192167 glghcqs
+182737 gvzbt
+175694 pnrbvd
+93278 tmz
+$ cd ..
+$ cd ..
+$ cd nmsvc
+$ ls
+dir bjnvmpc
+59203 czqnrq
+dir jstfcllw
+dir jtqgbwhb
+dir ltqjb
+49699 qrjzrq
+221657 rmfqqbsj.rzn
+45989 rzbgdgp.rpn
+dir tmrn
+dir vzvwphz
+$ cd bjnvmpc
+$ ls
+181885 gclrw.gzs
+dir gfjts
+dir hqlmzshr
+dir smqzqrm
+$ cd gfjts
+$ ls
+236177 grgj
+$ cd ..
+$ cd hqlmzshr
+$ ls
+228388 gpqcdjhl.ctd
+$ cd ..
+$ cd smqzqrm
+$ ls
+170034 dqvvd
+$ cd ..
+$ cd ..
+$ cd jstfcllw
+$ ls
+dir bjnvmpc
+$ cd bjnvmpc
+$ ls
+dir fmjlrc
+204754 lzd
+48598 pnrbvd
+211685 vmn
+$ cd fmjlrc
+$ ls
+169343 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd jtqgbwhb
+$ ls
+dir bjnvmpc
+dir ddjpm
+dir fmtpwm
+179486 rqplnfz.dpq
+$ cd bjnvmpc
+$ ls
+dir dbglngc
+76133 pnrbvd.tsw
+dir rdb
+266667 strq.pjn
+242869 zvzhfjq.vwv
+$ cd dbglngc
+$ ls
+dir hbfbvdr
+dir tlsd
+253571 wddhnvl.lsq
+$ cd hbfbvdr
+$ ls
+36586 nmsvc.mpf
+$ cd ..
+$ cd tlsd
+$ ls
+78854 phd.phb
+$ cd ..
+$ cd ..
+$ cd rdb
+$ ls
+102680 drz.gjs
+$ cd ..
+$ cd ..
+$ cd ddjpm
+$ ls
+227450 cbc.rtp
+71376 ltnhnzg.gqb
+86244 vpr
+$ cd ..
+$ cd fmtpwm
+$ ls
+dir ggpctlh
+65644 grgj
+92435 swffpq.nnc
+$ cd ggpctlh
+$ ls
+104193 gdc
+dir rdmgrtzl
+$ cd rdmgrtzl
+$ ls
+28086 swffpq.nnc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ltqjb
+$ ls
+dir jstfcllw
+dir qjgbt
+dir rstzf
+$ cd jstfcllw
+$ ls
+165962 rsrsnh.fjf
+$ cd ..
+$ cd qjgbt
+$ ls
+dir vjrdcjbr
+$ cd vjrdcjbr
+$ ls
+dir swvlpql
+dir wmm
+$ cd swvlpql
+$ ls
+dir lqrf
+dir nmsvc
+dir wnvtfmfw
+$ cd lqrf
+$ ls
+26615 hbjtfmfw.bbs
+$ cd ..
+$ cd nmsvc
+$ ls
+23820 bpfj
+77703 llpmvt.hhm
+220326 tbbvnzvq
+$ cd ..
+$ cd wnvtfmfw
+$ ls
+109078 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd wmm
+$ ls
+dir nmsvc
+$ cd nmsvc
+$ ls
+285836 zqhwwt.vnj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rstzf
+$ ls
+dir bjnvmpc
+dir fwmvpthq
+dir llpmvt
+dir mpz
+226698 qfnjbcb.pdr
+dir qpvnfl
+dir rmrngqdg
+234472 swffpq.nnc
+$ cd bjnvmpc
+$ ls
+118290 jstfcllw.wgq
+dir mtctn
+dir rjcpn
+dir tbrccw
+$ cd mtctn
+$ ls
+230555 jstfcllw
+dir nfb
+dir pfqv
+$ cd nfb
+$ ls
+dir bqjczmcr
+dir brhvhl
+227496 grgj
+154342 mjwp
+$ cd bqjczmcr
+$ ls
+19020 fzqd
+$ cd ..
+$ cd brhvhl
+$ ls
+255839 vtvhvh
+$ cd ..
+$ cd ..
+$ cd pfqv
+$ ls
+155078 ftccr.qlz
+$ cd ..
+$ cd ..
+$ cd rjcpn
+$ ls
+180441 fvr.smf
+dir ggjrm
+dir llpmvt
+139942 npbmlv.zst
+237442 rjg.jqj
+192628 wnwgz.qjp
+$ cd ggjrm
+$ ls
+dir drjzphm
+$ cd drjzphm
+$ ls
+188844 wbzh.nzw
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+dir bhdpfpb
+dir jstfcllw
+10806 llpmvt.ldp
+31293 nmsvc
+dir pvz
+dir qntnwf
+$ cd bhdpfpb
+$ ls
+78642 wjlwf
+$ cd ..
+$ cd jstfcllw
+$ ls
+234658 qrdfwls.ncz
+$ cd ..
+$ cd pvz
+$ ls
+194879 nfjsfjvt.zln
+$ cd ..
+$ cd qntnwf
+$ ls
+225789 mngq.qqb
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd tbrccw
+$ ls
+dir llpmvt
+dir nmsvc
+136331 npbmlv.zst
+130573 rpglpmr.zbh
+dir scpwzh
+$ cd llpmvt
+$ ls
+dir bjnvmpc
+$ cd bjnvmpc
+$ ls
+271647 cdt.scr
+$ cd ..
+$ cd ..
+$ cd nmsvc
+$ ls
+185622 llpmvt
+102596 npbmlv.zst
+240 wnwgz.qjp
+157313 zlgplvb
+$ cd ..
+$ cd scpwzh
+$ ls
+270091 tncccs.lgn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd fwmvpthq
+$ ls
+dir llpmvt
+dir nmsvc
+dir ntmfpmr
+109316 png.zts
+dir pnrbvd
+90010 qnqjmn
+193177 rpglpmr.zbh
+283398 rwvbqll.gvg
+dir shgtbbfw
+$ cd llpmvt
+$ ls
+dir bgvjb
+59723 fblf.dlq
+$ cd bgvjb
+$ ls
+dir gjtj
+dir nmsvc
+dir wrwsn
+$ cd gjtj
+$ ls
+74258 mqd.jpq
+$ cd ..
+$ cd nmsvc
+$ ls
+227910 dqcl.gzn
+286951 llpmvt.sdv
+$ cd ..
+$ cd wrwsn
+$ ls
+191813 qjhfjfmb.dms
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd nmsvc
+$ ls
+7096 llpmvt.tms
+102123 nfgvtghz.gws
+160466 swffpq.nnc
+$ cd ..
+$ cd ntmfpmr
+$ ls
+266774 llpmvt
+$ cd ..
+$ cd pnrbvd
+$ ls
+dir bbpq
+dir nmsvc
+181175 pnrbvd.bmg
+164233 qpw.vtm
+$ cd bbpq
+$ ls
+125821 nbc
+$ cd ..
+$ cd nmsvc
+$ ls
+40100 wthm.twj
+$ cd ..
+$ cd ..
+$ cd shgtbbfw
+$ ls
+dir zpjqjtsl
+$ cd zpjqjtsl
+$ ls
+112507 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+199105 gvgstl
+dir nmsvc
+133701 npbmlv.zst
+dir pnrbvd
+102349 rpglpmr.zbh
+$ cd nmsvc
+$ ls
+89208 cbrggdvl.glv
+176669 dzm.hlr
+$ cd ..
+$ cd pnrbvd
+$ ls
+dir hchfn
+dir llpmvt
+178532 llpmvt.wwb
+$ cd hchfn
+$ ls
+51572 jpzqrgfn.jhl
+281362 qntdtr.jtc
+$ cd ..
+$ cd llpmvt
+$ ls
+63202 cdvpwbj
+255774 sjs.dql
+60903 wnwgz.qjp
+274603 zbhwbff
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd mpz
+$ ls
+dir gdfwttff
+dir njptwz
+dir pnrbvd
+dir zcvn
+$ cd gdfwttff
+$ ls
+40626 rpglpmr.zbh
+$ cd ..
+$ cd njptwz
+$ ls
+dir jstfcllw
+$ cd jstfcllw
+$ ls
+69007 grgj
+$ cd ..
+$ cd ..
+$ cd pnrbvd
+$ ls
+153157 rjvtctv
+$ cd ..
+$ cd zcvn
+$ ls
+157128 llpmvt.swg
+$ cd ..
+$ cd ..
+$ cd qpvnfl
+$ ls
+234947 jstfcllw
+$ cd ..
+$ cd rmrngqdg
+$ ls
+dir bjnvmpc
+80105 llpmvt
+185789 llpmvt.plc
+dir wvg
+$ cd bjnvmpc
+$ ls
+181438 swffpq.nnc
+$ cd ..
+$ cd wvg
+$ ls
+dir hlwjtqzj
+191048 ppcjtdbd.blr
+$ cd hlwjtqzj
+$ ls
+9887 pnrbvd.psv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd tmrn
+$ ls
+271916 dbwl
+9555 gcfhvjj
+198388 grgj
+246330 pnrbvd.qbj
+dir zzmpts
+$ cd zzmpts
+$ ls
+dir zmsbdc
+$ cd zmsbdc
+$ ls
+204067 swffpq.nnc
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd vzvwphz
+$ ls
+dir nmsvc
+dir ntmmcjh
+dir rvwjl
+103462 wnwgz.qjp
+$ cd nmsvc
+$ ls
+dir bqvdvllf
+dir ghdlvvfs
+$ cd bqvdvllf
+$ ls
+61744 grgj
+154294 lsmjt
+$ cd ..
+$ cd ghdlvvfs
+$ ls
+277273 nmsvc.nwd
+$ cd ..
+$ cd ..
+$ cd ntmmcjh
+$ ls
+124476 ffdgnspv.bhb
+110867 jstfcllw.phg
+12568 jstfcllw.vbf
+19181 npbmlv.zst
+$ cd ..
+$ cd rvwjl
+$ ls
+dir jstfcllw
+57593 jstfcllw.fhg
+221008 jstfcllw.gwq
+12478 lwrbqz.dqm
+149624 rsrjp.hvp
+$ cd jstfcllw
+$ ls
+131800 pnrbvd
+20154 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd rgbdq
+$ ls
+135946 ffqnrsh.qmc
+186972 grgj
+151369 nmsvc
+125605 qgtllf
+165348 zhwtbml.zsz
+$ cd ..
+$ cd ..
+$ cd drzllllv
+$ ls
+dir mzfzzgsv
+209144 pnrbvd.gdv
+$ cd mzfzzgsv
+$ ls
+237212 pnrbvd.fsp
+$ cd ..
+$ cd ..
+$ cd fqflwvh
+$ ls
+10557 grgj
+11071 gslbvz.gch
+dir jzlgzd
+dir jzwwgjh
+209490 mlhnjvhq
+dir nfh
+99206 nmlcf
+dir pqtgln
+139022 rpglpmr.zbh
+$ cd jzlgzd
+$ ls
+223773 zhvgczs.rwv
+$ cd ..
+$ cd jzwwgjh
+$ ls
+80522 fvm.tdd
+$ cd ..
+$ cd nfh
+$ ls
+dir bfj
+dir bjnvmpc
+219887 bnnb.mzf
+145633 grgj
+93312 llpmvt
+65642 mfdfjzrw.lzh
+dir nbfsjvzn
+269811 nmsvc
+dir pnrbvd
+dir qhn
+dir rphmrdnc
+dir vnjvqs
+dir zqgmm
+$ cd bfj
+$ ls
+dir bzrfbfp
+dir pnrbvd
+dir rbq
+$ cd bzrfbfp
+$ ls
+34834 swffpq.nnc
+$ cd ..
+$ cd pnrbvd
+$ ls
+68732 wnwgz.qjp
+$ cd ..
+$ cd rbq
+$ ls
+91779 grgh.vwl
+$ cd ..
+$ cd ..
+$ cd bjnvmpc
+$ ls
+114048 jstfcllw
+$ cd ..
+$ cd nbfsjvzn
+$ ls
+44465 vbtsdf.dqn
+157458 wnwgz.qjp
+$ cd ..
+$ cd pnrbvd
+$ ls
+40294 dhgbmdl.lbg
+119065 fbghtps
+271425 glbzmbn.jqd
+231623 hsj.vws
+$ cd ..
+$ cd qhn
+$ ls
+dir fsgn
+175155 hvcfgv
+30969 llpmvt.vqf
+dir lwmccr
+dir svzhc
+276798 tgvzbm
+dir vblpsfqz
+$ cd fsgn
+$ ls
+dir btpqsr
+30980 grgj
+dir hjgphwdc
+116742 hsrlwwqg
+194210 pnrbvd.vrm
+105346 rjwvfz
+182505 smpnrnm
+dir vwpsrq
+$ cd btpqsr
+$ ls
+98971 brf
+dir jcj
+79166 lrpfbnht.fcz
+94138 pnrbvd.gnr
+288381 qhg
+$ cd jcj
+$ ls
+189962 npbmlv.zst
+$ cd ..
+$ cd ..
+$ cd hjgphwdc
+$ ls
+72389 npbmlv.zst
+$ cd ..
+$ cd vwpsrq
+$ ls
+dir bnqwnmg
+dir ljjmwc
+43797 llpmvt.srd
+dir nmsvc
+$ cd bnqwnmg
+$ ls
+281017 lvtj.vzc
+$ cd ..
+$ cd ljjmwc
+$ ls
+239040 fzb.rwh
+$ cd ..
+$ cd nmsvc
+$ ls
+262978 thrgcv.bhr
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lwmccr
+$ ls
+166022 grgj
+$ cd ..
+$ cd svzhc
+$ ls
+dir hpp
+208916 jrhblvdc.nvm
+133836 nmsvc.qms
+4542 npbmlv.zst
+105516 plwhmppw.phw
+dir pnrbvd
+93339 zcdpgl.fjz
+$ cd hpp
+$ ls
+dir gnj
+dir nprpdwj
+dir pwg
+35124 rggng.zbj
+238667 szbqvgcg.mnc
+dir zswbcbpz
+$ cd gnj
+$ ls
+188603 zwdttf
+$ cd ..
+$ cd nprpdwj
+$ ls
+dir jstfcllw
+$ cd jstfcllw
+$ ls
+149966 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd pwg
+$ ls
+45034 wwpgmrhq
+$ cd ..
+$ cd zswbcbpz
+$ ls
+269836 llpmvt
+129184 sntr
+$ cd ..
+$ cd ..
+$ cd pnrbvd
+$ ls
+135401 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd vblpsfqz
+$ ls
+54358 qdqrlsz.zgz
+$ cd ..
+$ cd ..
+$ cd rphmrdnc
+$ ls
+189190 jzlgndht
+$ cd ..
+$ cd vnjvqs
+$ ls
+254178 wnwgz.qjp
+$ cd ..
+$ cd zqgmm
+$ ls
+dir cblp
+dir mvgjj
+85521 wnwgz.qjp
+$ cd cblp
+$ ls
+131189 rpglpmr.zbh
+$ cd ..
+$ cd mvgjj
+$ ls
+215880 ddv
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd pqtgln
+$ ls
+80302 rpglpmr.zbh
+14147 rrsghb.ddq
+149326 zsrjpr.gwp
+$ cd ..
+$ cd ..
+$ cd jczm
+$ ls
+dir bhwgcrm
+$ cd bhwgcrm
+$ ls
+257143 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd jstfcllw
+$ ls
+dir fnnjdr
+dir llpmvt
+dir lpbrvhw
+dir pnrbvd
+$ cd fnnjdr
+$ ls
+dir bjnvmpc
+dir ccbn
+dir llpmvt
+$ cd bjnvmpc
+$ ls
+dir ftlf
+160613 pnrbvd
+dir rhzsnr
+$ cd ftlf
+$ ls
+dir rrdzzgtg
+$ cd rrdzzgtg
+$ ls
+43707 dpbchhz.jrl
+$ cd ..
+$ cd ..
+$ cd rhzsnr
+$ ls
+13607 bjnvmpc.dlz
+123612 dqt.cdm
+155260 grgj
+dir jstfcllw
+dir llpmvt
+228650 nmsvc
+dir sbsqrg
+229752 swffpq.nnc
+$ cd jstfcllw
+$ ls
+dir fcbs
+101671 npbmlv.zst
+$ cd fcbs
+$ ls
+dir qtsrhfv
+$ cd qtsrhfv
+$ ls
+94962 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+dir bjnvmpc
+dir gdjshcz
+dir gtrdds
+23262 mzw
+dir nhwvgjcq
+267083 npbmlv.zst
+$ cd bjnvmpc
+$ ls
+211744 bjnvmpc
+$ cd ..
+$ cd gdjshcz
+$ ls
+57871 swffpq.nnc
+$ cd ..
+$ cd gtrdds
+$ ls
+dir ngl
+$ cd ngl
+$ ls
+dir nqrwdstp
+$ cd nqrwdstp
+$ ls
+dir fdz
+$ cd fdz
+$ ls
+254070 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd nhwvgjcq
+$ ls
+dir llpmvt
+$ cd llpmvt
+$ ls
+245064 grgj
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd sbsqrg
+$ ls
+39334 fcrw.wfs
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd ccbn
+$ ls
+249206 grgj
+174074 hdjdpdrq.sdw
+255071 llpmvt.wbd
+112408 swffpq.nnc
+dir tfsgzdsl
+57326 wwjt.hqb
+$ cd tfsgzdsl
+$ ls
+86067 bjnvmpc
+177455 gmznt
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+dir btjdllpn
+dir zgt
+$ cd btjdllpn
+$ ls
+136706 btchp
+$ cd ..
+$ cd zgt
+$ ls
+44873 vmh.mfd
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+5472 ldj
+128075 npbmlv.zst
+138116 pnrbvd.lcm
+$ cd ..
+$ cd lpbrvhw
+$ ls
+284468 pnrbvd.bcg
+46353 pnrbvd.bdd
+dir pszldqqh
+dir wdlp
+$ cd pszldqqh
+$ ls
+89993 wnwgz.qjp
+$ cd ..
+$ cd wdlp
+$ ls
+104582 grgj
+208979 swffpq.nnc
+136509 vhjbdgfj
+$ cd ..
+$ cd ..
+$ cd pnrbvd
+$ ls
+dir jsnfn
+dir smhjmb
+$ cd jsnfn
+$ ls
+30250 rpglpmr.zbh
+$ cd ..
+$ cd smhjmb
+$ ls
+270898 fpj.trq
+63893 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd lhltq
+$ ls
+dir dqqcgn
+dir jstfcllw
+242417 jstfcllw.ngw
+183883 rpglpmr.zbh
+dir wwvlv
+$ cd dqqcgn
+$ ls
+153306 swffpq.nnc
+99780 tpdgtnl
+$ cd ..
+$ cd jstfcllw
+$ ls
+dir jdssgdpv
+79041 mhwcgqzs.mqc
+dir nmsvc
+148785 swffpq.nnc
+236989 wnwgz.qjp
+$ cd jdssgdpv
+$ ls
+127036 bgjwsm.qqc
+107115 nmsvc.fnv
+$ cd ..
+$ cd nmsvc
+$ ls
+91006 dvbqm.nfl
+206666 tsgcwc.fvj
+$ cd ..
+$ cd ..
+$ cd wwvlv
+$ ls
+dir jstfcllw
+44003 pdq
+$ cd jstfcllw
+$ ls
+48099 fcfnptrl
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd llpmvt
+$ ls
+179597 llpmvt
+dir ndn
+$ cd ndn
+$ ls
+220080 btsc.zmc
+190391 hhz
+113172 jvlfb
+33050 wnwgz.qjp
+$ cd ..
+$ cd ..
+$ cd tgmt
+$ ls
+53361 lml.dnh
+44579 psgvcrdd
+$ cd ..
+$ cd wcbq
+$ ls
+dir bjnvmpc
+dir cnwczqp
+dir dpgwtwp
+dir gtsf
+dir nmsvc
+182848 qgh.qnh
+$ cd bjnvmpc
+$ ls
+224127 bbzdcqf
+267019 bjnvmpc.zhg
+263703 dspvfhr.mmh
+dir glwzwcvm
+dir hrjjrrvl
+dir nqbrm
+3983 ntsqzpp.lnl
+$ cd glwzwcvm
+$ ls
+167421 bjnvmpc.zsj
+dir llpmvt
+$ cd llpmvt
+$ ls
+167790 llpmvt.jhw
+$ cd ..
+$ cd ..
+$ cd hrjjrrvl
+$ ls
+91994 crlfnccb.svl
+2227 swffpq.nnc
+$ cd ..
+$ cd nqbrm
+$ ls
+165605 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd cnwczqp
+$ ls
+dir cfdn
+dir jdh
+$ cd cfdn
+$ ls
+dir bjnvmpc
+163111 gsmhfr
+dir phtt
+$ cd bjnvmpc
+$ ls
+257093 jstfcllw
+$ cd ..
+$ cd phtt
+$ ls
+219526 bgvm.mnq
+$ cd ..
+$ cd ..
+$ cd jdh
+$ ls
+dir wjzzvs
+$ cd wjzzvs
+$ ls
+135287 rpglpmr.zbh
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd dpgwtwp
+$ ls
+dir vmwvpjn
+$ cd vmwvpjn
+$ ls
+dir bjnvmpc
+86191 hdcb.dhp
+140007 jstfcllw.tdd
+128243 npbmlv.zst
+$ cd bjnvmpc
+$ ls
+8694 grgj
+166456 pnrbvd.hdn
+$ cd ..
+$ cd ..
+$ cd ..
+$ cd gtsf
+$ ls
+231856 bjnvmpc
+225380 bmm.vwc
+dir llpmvt
+dir pqm
+279010 wnwgz.qjp
+$ cd llpmvt
+$ ls
+143990 nhbpmvb.pgn
+dir pnrbvd
+$ cd pnrbvd
+$ ls
+158450 ghjlw
+$ cd ..
+$ cd ..
+$ cd pqm
+$ ls
+147513 grgj
+$ cd ..
+$ cd ..
+$ cd nmsvc
+$ ls
+dir znlgg
+$ cd znlgg
+$ ls
+170386 djdv.gbf
diff --git a/2022/day07/testinput b/2022/day07/testinput
new file mode 100644
index 0000000..09a921e
--- /dev/null
+++ b/2022/day07/testinput
@@ -0,0 +1,23 @@
+$ cd /
+$ ls
+dir a
+14848514 b.txt
+8504156 c.dat
+dir d
+$ cd a
+$ ls
+dir e
+29116 f
+2557 g
+62596 h.lst
+$ cd e
+$ ls
+584 i
+$ cd ..
+$ cd ..
+$ cd d
+$ ls
+4060174 j
+8033020 d.log
+5626152 d.ext
+7214296 k