Windows batch trim variable

Use the FOR command to trim spaces at the beginning of a variable. In this example the variable to be trimmed is str. The FOR command can be used to safely remove quotes surrounding a string. If the string does not have quotes then it will remain unchanged. Trimming spaces at the end of a variable seems a little tricky. The following example shows how to use a FOR loop to trim up to 31 spaces from the end of a string. It assumes that Delayed Expansion is enabled.

The following example shows how to use the string substitution feature to trim up to 31 spaces from the end of a string. All of the arithmetic operators work in batch files.

The following example shows arithmetic operators can be used in batch files. In any programming language, there is an option to mark variables as having some sort of scope, i. Normally, variable having a global scope can be accessed anywhere from a program whereas local scoped variables have a defined boundary in which they can be accessed. DOS scripting also has a definition for locally and globally scoped variables.

By default, variables are global to your entire command prompt session. The following example shows the difference when local and global variables are set in the script. Active Oldest Votes. Improve this answer. Luckily, I have found a solution to my problem, doh. Anyways, here's the solution. Error: Invalid Arguments - 'fuh'. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

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