batch file for loop syntax

BAT file syntax and techniques (BAT file preparation and use) (reprint one) More useful east, more useful stuff. First, the batch file is a text file, and each line of the file is a D

" The file $ DIR/$ filename's permission is $ perm " Done For... do... done numerical processing In addition to the above method, there is another way to write for loop! Syntax: For(Initial value; Restriction value; running step ))DoProgram SectionDone This syntax is suitable for numeric operations. Th

= Two for loop statementsFor {set I 0} {$ I Incr I 1. Note that this parentheses must be written at the end of this line: ARGs: shocould be "for start test next command".........................} Q: Can I change the number I specified. For example, how many numbers do I specify as 3 5 6 7 9? Thank you.Foreach I {1 3 5 7 9 }{Puts "$ I"} Note: Keep CT uses the Tcl syntax instead of the shell

delayed execution mode of the query syntax allows developers to combine these single operations into multi-step operations, and the execution can be complete as long as the traversal sequence is reached, the cyclic syntax structure must create temporary storage for each operation step, or create a dedicated method for each batch of operations to be executed.

Sometimes we see people using%~DP0. ~ is the meaning of extension, which is equivalent to converting a relative path to absolute path%0 refers to the batch file itself%1 represents the first parameter that the batch file command line received,%2 represents the second, and so on%~d0 refers to the letter in which the

IfErrorlevel Many DoSProgramAfter running, a numeric value is returned to indicate the result (or status) of the program running.The errorlevel command can be used to determine the return value of a program and decide to execute different commands based on different return values (the return values must be sorted in ascending order ). If the returned value is equal to the specified numberIf the condition is true, run the command. Otherwise, run the next sentence. Note:The errorlevel environ

to display on the screen. ------------------- Call Calling another batch processing program from one batch processing program will not result in the suspension of the first batch processing. Syntax Call [drive:] [path] filename [batch-parameters] Parameters [Drive:] [path]

Through the shell example to learn the syntax of the loop structure: the so-called useful is to learn to use it all the time. it is useless if you forget it. On the other hand, it is very likely that the leaders have great expectations for you. So what we learn should be used frequently in practice... information n use shell examples to learn the syntax of the

descending numeric values. For example, (1,1,5) generates a sequence of 1 2 3 4 5, whereas (5,-1,1) generates a sequence (5 4 3 2 1). The syntax is: Look at this shows a little dizzy bar! Let's see the example, we're not dizzy! @echo off for/l%%i in (1,1,5) do @echo%%i pause Save execution See effect, he will print from 1 2 3 4 5 such 5 digits (1,1,5) This parameter means that from 1 start every time plus 1 until 5 terminates! Wait to

Windows bat (batch processing)-Basic Syntax 1. @ the first line of the command will not be displayed. 2. echo2.1 echo [{on | off}] [message] output, echo. 2.2 on | off it is actually a switch command, that is, it has only two States: open and close. So there are two commands, echo on and echo off. (1) echo off only displays execution results (2) echo on (default) displays execution commands (except echo) an

Through the shell example to learn the syntax of the loop structure: the so-called useful is to learn to use it all the time. It is useless if you forget it. On the other hand, it is very likely that the leaders have great expectations for you. So what we learn is often used in practice as our own. Www.2cto.com is actually the best way to learn is to first touch the actual things and use practice to verify

Findf.close () Exit Do End If Set R=fso.opentextfile (F, 2, true) R.write s D2=f.datelastmodified If D2>=d then Exit Do Loop End If Next Set Fs=flr.subfolders For each F in FS Traversal (F.path) Next End Function Traversal (Flrname) ' MsgBox ("done!" Count "Files were modified successfully.") WScript.Echo "Done!" Count "Files were modified successfully." ' Value popup by ' WScript.Echo ' Can is received by. Bat eas

(NOTE: When determining the return value using if errorlevel, sort the returned values from high to low ):@ Echo offChoice/C dimethyl/M "defrag, mem, end"If errorlevel 3 goto endIf errorlevel 2 goto memIf errotlevel 1 goto defrag : DefragC: \ dos \ defragGoto end : MemMemGoto end : EndEcho good bye After this batch is run, "defrag, mem, end [d, M, E]?" is displayed. The user can select d m e, and then the if statement makes a judgment based on

"good bye". The batch processing is completed. 4. The for loop command will execute the same command multiple times as long as the conditions are met. Syntax:Execute a specific command on each file in a group of files.The for command is actually a loop command. If we want to repeat a statement, we can use the for comm

This happens because the file line break you are working with is "\ r \ n" in DOS format.You can use the Cat-v file name to see if the newline character is, and if it is, the end of the line will be ^m"\ n" needs to be converted into Linux/unix formatThe specific conversion method is to convert the newline character.You can use the SED command to process a file w

BAT file syntax and skills (preparation and use of bat files) (reprinted 1) Useful things in East ChinaFirst, the batch file is a text file, and each line of this file is a DOS command (most of the time it is like the command lin

. after writing it in batches, you only need to double-click it to run it. instead of repeatedly executing commands in it. this is the benefit of batch processing files. In addition to running the doscommand, it also supports selecting the structure if, loop structure for, Goto, and so on. It is a bit similar to C, but far from comprehensive C, and the programming language is very nonstandard. 　　

Windows Bat (Batch)--basic syntax 1. @ If you have it at the beginning of the line, the command is not displayed. 2. Echo 2.1 echo [{On|off}] [message] Output, Echo. 2.2 On | Off It is actually a switch command, that is, it has only two states: open and close. So there's the echo on and echo off two commands. (1) Echo off Show only execution results (2) echo on (default) Show execution commands (

are executed based on different return values (the return values must be sorted in ascending order ). If the return value is equal to the specified number, the condition is true. Run the command. Otherwise, run the next sentence.For example, if errorlevel 2 goto X22. When the Goto batch processing file runs here, it will jump to the label specified by Goto (label, which is defined by the standard string).

there are hundreds of folders, I want to make a folder into a compressed file (if too many images are compressed together, mangameeya reading speed will also be affected ). If the mouse points are compressed one by one, the hand gets cramps. For example, I want to change the folder on the left to the rarfile on the right. So I found the software for batch compression on the Internet, but I tried it and f