-the most" useful way to use this script is for a "here" hierarchy that is a copy of an older version of another "there" hierarchy. the "there" hierarchy may have changed a lot, including new files, changed files, and deleted files. it is a simple operation to copy everything from "there" into "here" (such as by using the command [ cp -R "$there"/* "$here" ] ) , but it is a lot harder to determine what stuff in "here" is out of date and should be removed. that is where this script comes in; it can be run to flush out any older things in "here", rather than requiring the user to manually find all those files. ' | splitter
+the most" useful way to use this script is for a "here" hierarchy that is a copy of an older version of another "there" hierarchy. the "there" hierarchy may have changed a lot, including new files, changed files, and deleted files. it is a simple operation to copy everything from "there" into "here" (such as by using the command [ cp -R "$there"/* "$here" ] ) , but it is a lot harder to determine what stuff in "here" is out of date and should be removed. that is where this script comes in; it can be run to flush out any older things in "here", rather than requiring the user to manually find all those files. ' | splitter --maxcol $(($cols - 1))