bash - Finding multiple files recursively and renaming in linux -


i having files a_dbg.txt, b_dbg.txt ... in suse 10 system. want write bash shell script should rename these files removing "_dbg" them.

google suggested me use rename command. executed command rename _dbg.txt .txt *dbg* on current_folder

my actual current_folder contains below files.

current_folder/a_dbg.txt current_folder/b_dbg.txt current_folder/xx/c_dbg.txt current_folder/yy/d_dbg.txt

after executing rename command, 

current_folder/a.txt current_folder/b.txt current_folder/xx/c_dbg.txt current_folder/yy/d_dbg.txt

its not doing recursively, how make command rename files in subdirectories. xx , yy having many subdirectories name unpredictable. , current_folder having other files also.

you can use find find matching files recursively:

$ find . -iname "*dbg*" -exec rename _dbg.txt .txt '{}' \;

edit: '{}' , \; are?

the -exec argument makes find execute rename every matching file found. '{}' replaced path name of file. last token, \; there mark end of exec expression.

all described nicely in man page find:

 -exec utility [argument ...] ;          true if program named utility returns 0 value          exit status.  optional arguments may passed utility.          expression must terminated semicolon (``;'').  if          invoke find shell may need quote semicolon if          shell otherwise treat control operator.  if          string ``{}'' appears anywhere in utility name or argu-          ments replaced pathname of current file.          utility executed directory find          executed.  utility , arguments not subject further          expansion of shell patterns , constructs.

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