{"id":15,"date":"2011-04-25T08:46:00","date_gmt":"2011-04-25T08:46:00","guid":{"rendered":"http:\/\/mattdturner.com\/wordpress\/?p=15"},"modified":"2011-04-26T21:42:23","modified_gmt":"2011-04-27T03:42:23","slug":"useful-bashrc-functions","status":"publish","type":"post","link":"http:\/\/mattdturner.com\/wordpress\/2011\/04\/useful-bashrc-functions\/","title":{"rendered":"Useful .bashrc Functions"},"content":{"rendered":"

\"Screenshot<\/a>For those of you that read my other post about useful .cshrc functions<\/a>, you know that I like to automate as many processes as possible. If there is something redundant that I do frequently, I will script it or make a function to take care of it.<\/p>\n

In an effort to assist those of you out there that like to automate processes but use bash instead of C-Shell, I have compiled a list of some useful functions to stick in your .bashrc file. Here is a list of the functions that this post will contain:<\/p>\n

    \n
  1. Extract<\/a>: This function will determine the type of archive you are dealing with, and issue the corresponding command to extract it.<\/li>\n
  2. Compress<\/a>: This function will create a .tar.gz archive of whatever files you give.<\/li>\n
  3. Swap<\/a>: This function will swap the names of 2 different files.<\/li>\n
  4. Clock<\/a>: This is just a random function that will display a digital clock in your terminal window and update every second.<\/li>\n
  5. Cpg<\/a>: This function will copy a file to a directory, and also cd<\/code> you to a directory.<\/li>\n
  6. Mvg<\/a>: This function works like Cpg, but moves the file instead of copying it.<\/li>\n
  7. Findit<\/a>: This function will search for a file with the given pattern in the name.<\/li>\n<\/ol>\n

    <\/p>\n

    \n

    Function Extract<\/h2>\n

    <\/a><\/p>\n

    # Handy Extract Program.\r\nfunction extract() {\r\n          if [ -f $1 ] ; then\r\n             case $1 in\r\n              *.tar.bz2)   tar xvjf $1     ;;\r\n             *.tar.gz)    tar xvzf $1     ;;\r\n             *.bz2)       bunzip2 $1      ;;\r\n             *.rar)       unrar x $1      ;;\r\n             *.gz)        gunzip $1       ;;\r\n             *.tar)       tar xvf $1      ;;\r\n             *.tbz2)      tar xvjf $1     ;;\r\n             *.tgz)       tar xvzf $1     ;;\r\n             *.zip)       unzip $1        ;;\r\n             *.Z)         uncompress $1   ;;\r\n             *.7z)        7z x $1         ;;\r\n             *)           echo "'$1' cannot be extracted via extract()" ;;\r\n         esac\r\n     else\r\n         echo "'$1' is not a valid file"\r\n     fi\r\n}<\/pre>\n<\/div>\n
    \n
    Use<\/strong>: extract archive.tar.gz<\/code><\/p>\n
    Function Compress<\/h2>\n
    <\/a><\/p>\n
    \r\nfunction compress()  # create .tar.gz archive\r\n{\r\n    tar -cvzf $1 $2\r\n}<\/pre>\n
    Use<\/strong>: compress archive.tar.gz ~\/Desktop\/*<\/code><\/p>\n
    Function Swap<\/h2>\n
    <\/a><\/p>\n
    \r\nfunction swap()  # Swap 2 filenames around, if they exist\r\n                          #(from Uzi's bashrc).\r\n{\r\n    local TMPFILE=tmp.$$\r\n\r\n    [ $# -ne 2 ] &amp;&amp; echo "swap: 2 arguments needed" &amp;&amp; return 1\r\n    [ ! -e $1 ] &amp;&amp; echo "swap: $1 does not exist" &amp;&amp; return 1\r\n    [ ! -e $2 ] &amp;&amp; echo "swap: $2 does not exist" &amp;&amp; return 1\r\n\r\n    mv "$1" $TMPFILE\r\n    mv "$2" "$1"\r\n    mv $TMPFILE "$2"\r\n}\r\n<\/pre>\n
    Use<\/strong>: swap file1.txt file2.txt<\/code><\/p>\n
    Function Clock<\/h2>\n
    <\/a><\/p>\n
    # clock - a little clock that appeares in the terminal window.\r\n# Usage: clock.\r\n#\r\nclock ()\r\n{\r\nwhile true;do clear;echo "===========";date +"%r";echo "===========";sleep 1;done\r\n}<\/pre>\n
    Use<\/strong>: clock<\/code><\/p>\n
    Function Cpg<\/h2>\n
    <\/a><\/p>\n
    #copy and go to dir\r\ncpg (){\r\n  if [ -d "$2" ];then\r\n    cp $1 $2 &amp;&amp; cd $2\r\n  else\r\n    cp $1 $2\r\n  fi\r\n}\r\n<\/pre>\n
    Use<\/strong>: cpg file.txt \/path\/to\/dir<\/code><\/p>\n
    Function Mvg<\/h2>\n
    <\/a><\/p>\n
    #move and go to dir\r\nmvg (){\r\n  if [ -d "$2" ];then\r\n    mv $1 $2 &amp;&amp; cd $2\r\n  else\r\n    mv $1 $2\r\n  fi\r\n}<\/pre>\n
    Use<\/strong>: mvg file.txt \/path\/to\/dir<\/code><\/p>\n
    Function Findit<\/h2>\n
    <\/a><\/p>\n
    # find a file with pattern in name\r\nfindit (){\r\n   if [ -z ${1} ];then\r\n      echo "Please pass an argument that you want to search for"\r\n   else\r\n      find . -iname "*$1*" -print\r\n   fi\r\n}<\/pre>\n
    Use<\/strong>: findit stringToSearchFor<\/code>
    \nNote<\/strong>:  findit<\/code> function is NOT case-sensitive<\/p>\n
    Feel free to modify any of the functions to your liking.<\/p>\n
    Have a function that you would like to share?  Post it in the comments!<\/p>\n
    74VYGRY8335Z<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    For those of you that read my other post about useful .cshrc functions, you know that I like to automate as many processes as possible. If there is something redundant that I do frequently, I will script it or make a function to take care of it. In an effort to assist those of you […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3,11,20],"tags":[46,47,50,49,48],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-command-line","category-mac","category-scripting","tag-bashrc","tag-function","tag-linux","tag-ubuntu","tag-unix","no-thumb"],"yoast_head":"\nUseful .bashrc Functions - Tech N Comp<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/mattdturner.com\/wordpress\/2011\/04\/useful-bashrc-functions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Useful .bashrc Functions - Tech N Comp\" \/>\n<meta property=\"og:description\" content=\"For those of you that read my other post about useful .cshrc functions, you know that I like to automate as many processes as possible. 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