test help: check if fs help message is shown -help SubstringComparator Usage: hadoop fs [generic options] help: help for ls -help ls RegexpComparator ^-ls \[-d\] \[-h\] \[-R\] \[<path> \.\.\.\]:( |\t)*List the contents that match the specified file pattern. If( )* RegexpComparator ^( |\t)*path is not specified, the contents of /user/<currentUser>( )* RegexpComparator ^( |\t)*path is not specified, the contents of /user/<currentUser>( )* RegexpComparator ^( |\t)*will be listed. Directory entries are of the form( )* RegexpComparator ^( |\t)*dirName \(full path\) <dir>( )* RegexpComparator ^( |\t)*and file entries are of the form( )* RegexpComparator ^( |\t)*fileName\(full path\) <r n> size( )* RegexpComparator ^( |\t)*where n is the number of replicas specified for the file( )* RegexpComparator ^( |\t)*and size is the size of the file, in bytes.( )* RegexpComparator ^( |\t)*-d\s+Directories are listed as plain files\. RegexpComparator ^( |\t)*-h\s+Formats the sizes of files in a human-readable fashion( )* RegexpComparator ^( |\t)*rather than a number of bytes\.( )* RegexpComparator ^( |\t)*-R\s+Recursively list the contents of directories\. help: help for lsr -help lsr RegexpComparator ^-lsr:\s+\(DEPRECATED\) Same as 'ls -R' help: help for get -help get RegexpComparator ^-get( )*\[-p\]( )*\[-ignoreCrc\]( )*\[-crc\]( )*<src> \.\.\. <localdst>:( |\t)*Copy files that match the file pattern <src>( )* RegexpComparator ^( |\t)*to the local name.( )*<src> is kept.( )*When copying multiple,( )* RegexpComparator ^( |\t)*files, the destination must be a directory.( )*Passing( )* RegexpComparator ^( |\t)*-p preserves access and modification times,( )* RegexpComparator ^( |\t)*ownership and the mode.( )* help: help for du -help du RegexpComparator ^-du \[-s\] \[-h\] <path> \.\.\.:\s+Show the amount of space, in bytes, used by the files that\s* RegexpComparator ^\s*match the specified file pattern. The following flags are optional: RegexpComparator ^\s*-s\s*Rather than showing the size of each individual file that RegexpComparator ^\s*matches the pattern, shows the total \(summary\) size. RegexpComparator ^\s*-h\s*Formats the sizes of files in a human-readable fashion RegexpComparator \s*rather than a number of bytes. RegexpComparator ^\s*Note that, even without the -s option, this only shows size summaries RegexpComparator ^\s*one level deep into a directory. RegexpComparator ^\s*The output is in the form RegexpComparator ^\s*size\s+name\(full path\)\s* help: help for dus -help dus RegexpComparator ^-dus:\s+\(DEPRECATED\) Same as 'du -s' help: help for count -help count RegexpComparator ^-count \[-q\] <path> \.\.\.:( |\t)*Count the number of directories, files and bytes under the paths( )* RegexpComparator ^( |\t)*that match the specified file pattern. The output columns are:( )* RegexpComparator ^( |\t)*DIR_COUNT FILE_COUNT CONTENT_SIZE FILE_NAME or( )* RegexpComparator ^( |\t)*QUOTA REMAINING_QUATA SPACE_QUOTA REMAINING_SPACE_QUOTA( )* RegexpComparator ^( |\t)*DIR_COUNT FILE_COUNT CONTENT_SIZE FILE_NAME( )* help: help for mv -help mv RegexpComparator ^-mv <src> \.\.\. <dst>:( |\t)*Move files that match the specified file pattern <src>( )* RegexpComparator ^( |\t)*to a destination <dst>. When moving multiple files, the( )* RegexpComparator ^( |\t)*destination must be a directory.( )* help: help for cp -help cp RegexpComparator ^-cp \[-f\] \[-p\] <src> \.\.\. <dst>:( |\t)*Copy files that match the file pattern <src> to a( )* RegexpComparator ^( |\t)*destination. When copying multiple files, the destination( )* RegexpComparator ^( |\t)*must be a directory.( )*Passing -p preserves access and( )* RegexpComparator ^( |\t)*modification times, ownership and the mode. Passing -f( )* RegexpComparator ^( |\t)*overwrites the destination if it already exists.( )* help: help for rm -help rm RegexpComparator ^-rm \[-f\] \[-r\|-R\] \[-skipTrash\] <src> \.\.\.:( |\t)*Delete all files that match the specified file pattern.( )* RegexpComparator ^( |\t)*Equivalent to the Unix command "rm <src>"( )* RegexpComparator ^( |\t)*-skipTrash option bypasses trash, if enabled, and immediately( )* RegexpComparator ^( |\t)*deletes <src>( )* RegexpComparator ^\s+-f\s+If the file does not exist, do not display a diagnostic RegexpComparator ^\s+message or modify the exit status to reflect an error\. RegexpComparator ^\s+-\[rR\]\s+Recursively deletes directories help: help for rmdir -help rmdir RegexpComparator ^-rmdir \[--ignore-fail-on-non-empty\] <dir> \.\.\.:\s+Removes the directory entry specified by each directory argument, RegexpComparator \s+provided it is empty. help: help for rmr -help rmr RegexpComparator ^-rmr:\s+\(DEPRECATED\) Same as 'rm -r' help: help for put -help put RegexpComparator ^-put \[-f\] \[-p\] <localsrc> \.\.\. <dst>:\s+Copy files from the local file system RegexpComparator ^( |\t)*into fs.( )*Copying fails if the file already( )* RegexpComparator ^( |\t)*exists, unless the -f flag is given.( )*Passing( )* RegexpComparator ^( |\t)*-p preserves access and modification times,( )* RegexpComparator ^( |\t)*ownership and the mode. Passing -f overwrites( )* RegexpComparator ^( |\t)*the destination if it already exists.( )* help: help for copyFromLocal -help copyFromLocal RegexpComparator ^-copyFromLocal \[-f\] \[-p\] <localsrc> \.\.\. <dst>:\s+Identical to the -put command\. help: help for moveFromLocal -help moveFromLocal RegexpComparator ^-moveFromLocal <localsrc> \.\.\. <dst>:\s+Same as -put, except that the source is RegexpComparator ^( |\t)*deleted after it's copied. help: help for get -help get RegexpComparator ^-get( )*\[-p\]( )*\[-ignoreCrc\]( )*\[-crc\]( )*<src> \.\.\. <localdst>:( |\t)*Copy files that match the file pattern <src>( )* RegexpComparator ^( |\t)*to the local name.( )*<src> is kept.( )*When copying multiple,( )* RegexpComparator ^( |\t)*files, the destination must be a directory.( )*Passing( )* RegexpComparator ^( |\t)*-p preserves access and modification times,( )* RegexpComparator ^( |\t)*ownership and the mode.( )* help: help for getmerge -help getmerge RegexpComparator ^-getmerge \[-nl\] <src> <localdst>:( |\t)*Get all the files in the directories that( )* RegexpComparator ^( |\t)*match the source file pattern and merge and sort them to only( )* RegexpComparator ^( |\t)*one file on local fs. <src> is kept.( )* RegexpComparator ^( |\t)*-nl Add a newline character at the end of each file.( )* help: help for cat -help cat RegexpComparator ^-cat \[-ignoreCrc\] <src> \.\.\.:( |\t)*Fetch all files that match the file pattern <src>( )* RegexpComparator ^( |\t)*and display their content on stdout. help: help for checksum -help checksum RegexpComparator ^-checksum <src> \.\.\.:( |\t)*Dump checksum information for files.* help: help for copyToLocal -help copyToLocal RegexpComparator ^-copyToLocal \[-p\] \[-ignoreCrc\] \[-crc\] <src> \.\.\. <localdst>:\s+Identical to the -get command. help: help for moveToLocal -help moveToLocal RegexpComparator ^-moveToLocal <src> <localdst>:\s+Not implemented yet help: help for mkdir -help mkdir RegexpComparator ^-mkdir \[-p\] <path> \.\.\.:( |\t)*Create a directory in specified location.( )* TokenComparator -p Do not fail if the directory already exists help: help for setrep -help setrep RegexpComparator ^-setrep \[-R\] \[-w\] <rep> <path/file> \.\.\.:( |\t)*Set the replication level of a file.( )* RegexpComparator ^( |\t)*The -R flag requests a recursive change of replication level( )* RegexpComparator ^( |\t)*for an entire tree.( )* help: help for touchz -help touchz RegexpComparator ^-touchz <path> \.\.\.:( |\t)*Creates a file of zero length( )* RegexpComparator ^( |\t)*at <path> with current time as the timestamp of that <path>.( )* RegexpComparator ^( |\t)*An error is returned if the file exists with non-zero length( )* help: help for test -help test RegexpComparator ^-test -\[defsz\] <path>:\sAnswer various questions about <path>, with result via exit status. RegexpComparator ^( |\t)*else, return 1.( )* help: help for stat -help stat RegexpComparator ^-stat \[format\] <path> \.\.\.:( |\t)*Print statistics about the file/directory at <path>( )* RegexpComparator ^( |\t)*in the specified format. Format accepts filesize in blocks \(%b\), group name of owner\(%g\),( )* RegexpComparator ^( |\t)*filename \(%n\), block size \(%o\), replication \(%r\), user name of owner\(%u\), modification date \(%y, %Y\)( )* help: help for tail -help tail RegexpComparator ^-tail \[-f\] <file>:( |\t)+Show the last 1KB of the file.( )* RegexpComparator ^( |\t)*The -f option shows appended data as the file grows.( )* help: help for chmod -help chmod RegexpComparator ^-chmod \[-R\] <MODE\[,MODE\]... \| OCTALMODE> PATH...:( |\t)*Changes permissions of a file.( )* RegexpComparator ^( |\t)*This works similar to shell's chmod with a few exceptions.( )* RegexpComparator ^( |\t)*-R( |\t)*modifies the files recursively. This is the only option( )* RegexpComparator ^( |\t)*currently supported.( )* RegexpComparator ^( |\t)*MODE( |\t)*Mode is same as mode used for chmod shell command.( )* RegexpComparator ^( |\t)*Only letters recognized are 'rwxXt'. E.g. \+t,a\+r,g-w,\+rwx,o=r( )* RegexpComparator ^( |\t)*OCTALMODE Mode specifed in 3 or 4 digits. If 4 digits, the first may( )* RegexpComparator ^( |\t)*be 1 or 0 to turn the sticky bit on or off, respectively.( )*Unlike( |\t)*shell command, it is not possible to specify only part of the mode( )* RegexpComparator ^( |\t)*E.g. 754 is same as u=rwx,g=rx,o=r( )* RegexpComparator ^( |\t)*If none of 'augo' is specified, 'a' is assumed and unlike( )* RegexpComparator ^( |\t)*shell command, no umask is applied.( )* help: help for chown -help chown RegexpComparator ^-chown \[-R\] \[OWNER\]\[:\[GROUP\]\] PATH...:( |\t)*Changes owner and group of a file.( )* RegexpComparator ^( |\t)*This is similar to shell's chown with a few exceptions.( )* RegexpComparator ^( |\t)*-R( |\t)*modifies the files recursively. This is the only option( )* RegexpComparator ^( |\t)*currently supported.( )* RegexpComparator ^( |\t)*If only owner or group is specified then only owner or( )* RegexpComparator ^( |\t)*group is modified.( )* RegexpComparator ^( |\t)*The owner and group names may only consist of digits, alphabet,( )* RegexpComparator ^( |\t)*and any of .+?. The names are case sensitive.( )* RegexpComparator ^( |\t)*WARNING: Avoid using '.' to separate user name and group though( )* RegexpComparator ^( |\t)*Linux allows it. If user names have dots in them and you are( )* RegexpComparator ^( |\t)*using local file system, you might see surprising results since( )* RegexpComparator ^( |\t)*shell command 'chown' is used for local files.( )* help: help for chgrp -help chgrp RegexpComparator ^-chgrp \[-R\] GROUP PATH...:( |\t)*This is equivalent to -chown ... :GROUP ...( )* help: help for help -help help RegexpComparator ^-help \[cmd ...\]:( |\t)*Displays help for given command or all commands if none( )* RegexpComparator ^( |\t)*is specified.( )*