dumb cmd shell tricks Windows NT/2000: FOR /R recursive traversal of directory
For is fun! Here are some simple tricks you can use FOR to perform very useful tasks!
Recursive Find Text String In Files, Output Line Number:
FOR /R c:\~kenneth %v IN (*.css) DO find /N /I "#banner" "%~fv" >> test.txt
Note the %v is a variable, could be any letter. The quoted "%~fv" expands to the quoted fully qualified pathname. With out quotes Directories with spaces are not processed.
*.css could be any wildcard or even * for all.
the >> concatenates the output to one file, in this case test.txt. Output looks like this:---------- C:\~KENNETH\STYLES-SITE-GEORGIA-BLUE.CSS
[16] #banner {
[29] #banner a,
[30] #banner a:link,
[31] #banner a:visited,
[32] #banner a:active,
[33] #banner a:hover {
[253] #banner-commentspop {
---------- C:\~KENNETH\STYLES-SITE-GETTYSBURG.CSS
[16] #banner {
[28] #banner a,
[29] #banner a:link,
[30] #banner a:visited,
[31] #banner a:active,
[32] #banner a:hover {
[257] #banner-commentspop {
Copy files out of directory to backup folder:
for /d /r %V IN (*) DO xcopy d:\conversion\borders\*.* %VNote the case is important on your variable, in this case I used a capitalized V.
Batch convert Microstation .DGN files to Autocad DWG:
FOR /r %%i IN (*.dgn) DO msbatch dwgout createdwg input:%%i output:%%~di%%~pi%%~ni.dwg pausescreen:offThis is so powerful if you even know what Microstation is memorize it.
Recursively convert files:
FOR /r %%i IN (*.dbf) DO perl dbf2csv.pl input:"%%i" output:"%%~di%%~pi%%~ni.xls"Double percents are used in a CMD file when calling for from a batch file...
Recursively delete:
for /d /r %V IN (*) DO del %V\TNKSPEC.dwgThis recursively deletes the specific file through directory tree!
For Goodness sake use with caution. Testing with DIR is a very safe test!
FOR /D %variable IN (set) DO command [command-parameters]
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Just an HTML comment...
I would use a padding-left:3px; (on the box ins)
www.kimble.org (for shockwave)
BTW, your site is really unique. Toy with CSS uniquely leaves some of those knowledge craving interests grasping for more.
Thanks for sharing the commandline exuberance. Almost as much fun as a heavy handed blimp enthusiast.
chero,
-ole
}8^)
Put this line in a .cmd file recgzip.cmd for instance:
for /r %%V IN (*) DO gzip -9v "%%V"
This will recursively traverse the entire directory tree from the current directory down and compress every file.
Put this line in a .cmd file recgunzip.cmd for instance:
for /r %%V IN (*.gz) DO gzip -dv "%%V"
this will recursively traverse the entire directory tree from the current directory down and uncompress every file.
use it so:
D:\test>recgzip.cmd
D:\test>recgunzip.cmd
Here's a way to remove a range of AT entries on a Windows 2000 machine:
Using the FOR /L command, from Beginning by STEP to End do the following:
FOR /L %V IN (1,1,24) DO at %V /delete
deletes AT entries 1 through 24 on the local machine.
See also Finding and deleting files recursively on linux which includes this example:
find . -name "*.java" -exec rm "{}" \; is better and faster.
Here is an example of running FOR from a cmd file:
FOR /R %%v IN (*) DO find /N /I "lock" "%%~fv" >> test.txt
place in a file test.cmd for example and it will search the directory you are in. Generating a log file with headers for each file and a line number for occurances of the file lock.
Note the use of %% which is required when calling the FOR command from a cmd file.