How to read a text file in dos batch files

Batch files: How to read a file? Ask Question. Asked 13 years, 3 months ago. Active 5 months ago. Viewed k times. Improve this question. RookieTEC9: I think you're right, it's been a while since this. Add a comment. Active Oldest Votes. Under NT-style cmd. Improve this answer.

Mahdi Ataollahi 3, 2 2 gold badges 20 20 silver badges 31 31 bronze badges. This command would quit reading a line if it found a whitespace character. It works! Direct binary reading seems therefore nearly impossible. Community Bot 1 1 1 silver badge. Jeb, I asked a related question based on your solution above in stackoverflow. Is there a way to create a SUB without using a temp file? This is a pretty complex example, parsing very specific information from a particularly formatted text file, without giving any explanation.

Your example is from cmd. You should add a hint for that or copy the whole description. Hope this helps! Bond J. Ask a question. Quick access.

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Hi, I have a text file that has four lines of text as follows: Hello Planet Welcome Goodbye I have a batch file that I would like to read in each line and set each line to a variable. The FTP connection information is embedded within the batch itself. Optionally a FTP script can be provided as input stream, that way multiple FTP scripts can share the same login information.

Example: FtpLogin. First time it retrieves a list of files on the FTP server. The files in the trimmed list are then downloaded during a second connection. Title Connecting Title Preparing Title Processing Title Disconnecting All variables in the FTP script will be resolved. All batch lines start with semicolon so that they will be ignored by the FOR loop. Script: 1. Add this line at the beginning of the FTP script:.

The "FTP -s:ftpscript. Good: You end up with only one file that contains the batch script and the FTP script combined. Minor flaw: The batch command in the first line causes an "Invalid command. That way if the username, password or hostname for the FTP connection changes you only need to edit a single place instead of having to edit all FTP scripts one by one.

This automatic login script also described in detail earlier can be used to execute different FTP scripts that share the same login information stored within the batch file. This is no different from regularly executing FTP with -s option.

Script: Download: FtpLoginSharing. The following batch script executes itself in SQL context. The trick is the GOTO command in the first line of the script. The batch script will then run the OSQL. In fact the file can be opened and executed in Query Analyzer as is, since the batch script in the file looks like a comment to the query language processor. Now we can embed SQL queries into a batch file. But how can we pass arguments from the batch script into SQL?

This can be done using a temporary table. Temporary tables live as long as the connection to the SQL Server. EXE twice? The trick is that OSQL allows to use the -i and -q option at the same time whereas: -q specifies a query string to be executed -i specifies a filename with SQL syntax to be executed Both the query string and the SQL file will be executed using the same Server connection.

Some testing shows that the query string -q will always be executed before the -I SQL file, which allows us to use a query string to set up a temporary table. The trick of renaming the Perl. However the solution I have seen so far needed batch code before and after the Perl script where as the solution presented below only needs some lines of DOS at the top.

The added DOS script is generic and works independent from the name of the file. When running the batch the DOS command interpreter will read the first lines and execute the file itself in Perl context. This example works just as the previews one but will wait 4 seconds before the application finally closes. This is just enough time to inspect the screen output before the window vanishes.

The delay can probably be done much easier in Perl, but somebody just starting on Perl might find this still useful. TOP