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"Frequently Asked Questions about CMD.EXE Command Line Scripts"
Dear Readers,
Before posting a CMD.EXE command line script related question please be aware of the information and solutions material already available, such as 97091 Jun 28 2004 ftp://garbo.uwasa.fi/pc/link/tscmd.zip tscmd.zip Useful NT/2000/XP script tricks and tips, T.Salmi In case of grave difficulties in getting this file from Garbo archives see Sites with permission to mirror Garbo archives http://www.uwasa.fi/~ts/garbinfo/garbmirr.html The contents of the FAQ-like script tips collection is given below. For more command line script or near information sources please see http://www.uwasa.fi/~ts/http/http2.html#cmdscript This file TSCMDIDX.TXT lists the contents of 1CMDFAQ.TXT NT/2000/XP CMD.EXE Script Tricks in ftp://garbo.uwasa.fi/pc/link/tscmd.zip Alternatively available with the version number as ftp://garbo.uwasa.fi/pc/ts/tscmd20.zip -------------------------------------------------------------------- 1} How get today's date elements into environment variables? 2} On Windows XP how do you stop the script files from closing? 3} How can I customize the Command Prompt Window with script commands? 4} How can I test is it on MSDOS/Win3..9x/Me or NT/2000/XP? 5} How do I get a fully qualified path name of my script? 6} How does one get yesterday's date? 7} How can I test if two files agree in size and datetime stamp? 8} How do I find all the files made at of after YYYYMMDD HHMM? 9} How can I suppress script error messages altogether? 10} How can I change the environment variable values within a FOR loop? 11} How do I retain my original code page in these scripts? 12} How can I rename all my .JPG files sequentially in a folder? 13} How do I get the current day of the week? 14} Help! My old batch files won't work since there is no choice. 15} Is it possible to echo without linefeed like the Unix echo -n? 16} How can I get the time without having to press enter? 17} How can I avoid the potential "ECHO is off." in echoing %myvar% 18} How does one build re-usable script function modules? 19} How can one build a delay / sleep / wait procedure for a script? 20} Is is possible to right-justify numbers or words in a script? 21} Do you have pointers to additional script material and tips? 22} How do I capture the current folder name into a variable? 23} How do I get the n:th, the first and the last line of a text file? 24} How do I get the m:th item on the n:th line of a text file? 25} How can I quote with e.g. " " an entire message? 26} How do I get the length of a string into a variable? 27} How can I remove all the blank lines from a text file? 28} How to convert a file written in IBM PC characters into LATIN1? 29} How do I drop the first two characters of a string, and so on? 30} Can one calculate the difference between two times in a script? 31} How many days ago was 31.12.2003? What date it was a 100 days ago? 32} How can I convert a decimal number to binary, octal, hexadecimal? 33} How can I convert a binary, octal, hexadecimal into a decimal? 34} How can I remove the quote characters from a line? 35} How can I substitute the second field on each line of my file? 36} I start a program from my script and it hogs my command window. 37} How can I insert a line in the middle of a file with a script? 38} How can I set and test the errorlevel within a script file? 39} Is there a subroutine to convert a variable into uppercase? 40} How do I get the number of arguments given to a script? 41} How can I create a zero-byte file? How do I test for it? 42} What is the subroutine for testing a filename for wildcards? 43} Is there a way of counting the number of files in a folder? 44} How do I get the first 68 columns from a text file? 45} How can I find out how many days old a file is? 46} Is a program available in the default folder or at path? 47} Is it possible to echo the redirection symbol in a script? 48} Why do some comment lines cause errors? What can I do about it? 49} I need to reverse a text file. How do I do that fairly quickly? 50} How do I get the position of a substring in a string? 51} How can I echo lines in different colors in NT scripts? 52} How can I enter a password into a variable without echoing it? 53} How can I test if a disk device is ready or not? 54} How can I get the type of a disk device? 55} How to get the creation, last modified and last access of a file? 56} How to find and move more recent files from one folder to another? 57} How do I get a list of all my empty folders on c:\ ? 58} How do I best combine two quoted arguments into one quoted string? 59} How do I find if a folder exists? How about visible files in it? 60} How do I delete all but most recent 20 files in a folder? 61} How can one devise a command line calculator? 62} How can I compare within a script if two files are identical? 63} How to perform a command on each line of file as an argument? 64} How to count the number of lines in a file, empty lines inclusive? 65} How do I add text in front and after each line in a text file? 66} How can I delete all the hidden Thumbs.db files from my system? 67} Is it possible to send a variable value to the clipboard? 68} How can I test if a program already has been loaded? -------------------------------------------------------------------- All the best, Timo -- Prof. Timo Salmi ftp & http://garbo.uwasa.fi/ archives 193.166.120.5 Department of Accounting and Business Finance ; University of Vaasa http://www.uwasa.fi/~ts/ ; FIN-65101, Finland Timo's FAQ materials at http://www.uwasa.fi/~ts/http/tsfaq.html |
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