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2016-09-23

how-to search for file names in bunch of zip tar etc files

while read -r zip_file ; do echo $zip_file ; unzip -l $zip_file | \ grep -i --color=always -R $to_srch; \ done < <(find . \( -name '*.7z' -o -name '*.zip' -o -name '*.tar.gz' \)) | \ less -R

2016-09-21

the best things come in small packages ...

#------------------------------------------------------------------------------
#  Purpose:
#  to search for a string and replace it with another recursively in a dir
#  both in dir and file paths and their contents
#  Prerequisites: setting vars in the caller shell
#  export dir_to_morph=<<the-dir-to-search-and-replace-in-recursively>>
#  export to_srch=<<the-string-to-search-for>>
#  export to_repl=<<the-string-to-replace-with>>
#------------------------------------------------------------------------------
doMorphDir(){
 
      # some initial checks the users should set the vars in their shells !!!
      test -z $dir_to_morph && doExit 1 "You must export dir_to_morph=<<the-dir>> - it is empty !!!"
      test -d $dir_to_morph || doExit 1 "The dir to morph : \"$dir_to_morph\" is not a dir !!!"
      test -z $to_srch && doExit 1 "You must export to_srch=<<str-to-search-for>> - it is empty !!!"
      test -z $to_repl && doExit 1 "You must export to_repl=<<str-to-replace-with>> - it is empty !!!"
 
      doLog "INFO dir_to_morph: $dir_to_morph"
      doLog "INFO to_srch:\"$to_srch\" " ;
      doLog "INFO to_repl:\"$to_repl\" " ;
      sleep 2
 
      doLog "start search and replace in non-binary files"
      #search and replace ONLY in the txt files and omit the binary files
      while read -r file ; do (
         #debug doLog doing find and replace in $file
         doLog "DEBUG working on file: $file"
         doLog "DEBUG searching for $to_srch , replacing with :: $to_repl"
         perl -pi -e "s#$to_srch#$to_repl#g" "$file"
      );
      done < <(find $dir_to_morph -type f -exec file {} \; | grep text | cut -d: -f1)
 
      #search and repl %var_id% with var_id_val in deploy_tmp_dir
      find $dir_to_morph -type d|perl -nle '$o=$_;s#'"$to_srch"'#'"$to_repl"'#g;$n=$_;`mkdir -p $n` ;'
      find $dir_to_morph -type f|perl -nle '$o=$_;s#'"$to_srch"'#'"$to_repl"'#g;$n=$_;rename($o,$n) unless -e $n ;'
 
}
#eof doMorphDir

2016-09-16

Some usefull scala links ...

http://alvinalexander.com/scala/how-to-use-java-style-logging-slf4j-scala
http://bwbecker.github.io/blog/2015/05/05/accessing-anorm-without-play/
https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-reference-configuration-properties.html
https://sanaulla.info/2009/07/12/nothingness-2/
http://stackoverflow.com/a/10866807/65706

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