For more information on Julian Tosh, check out his personal website at http://www.juliantosh.us/.

Tuesday, February 16, 2010

Determine If Shell Input is Coming From the Terminal or From a Pipe

Working on a little script the other day I had the need to determine if the input to the script was coming from a pipe or from the terminal. Seems like a simple enough thing to determine but nothing jumped immediately to mind and a quick internet search didn't help much either. After a bit of pondering I came up with two solutions: the stat command and using information from the proc file system.

No comments:

Post a Comment