Linux Shell Scripting with Bash Ken O. Burtch
Publisher: Sams

Debugging shell scripts is really a PITA. Here's a handy trick that really saved me today -. EXE” instead of bash, and “.BAT files” instead of shell scripts. With this book, Linux expert Steve Parker shares a collection of shell scripting recipes that can be used as is or easily modified for a variety of environments or situations. I recently discovered a Linux shell script that was running slowly due to an inefficiently implemented loop. This innocent investigation Looping in Windows batch files can be faster than looping in Linux shell scripts. In addition, this edition features a host of real-world examples, so you can see how the scripts work in application. The script is written in Linux Bash shell #!/bin/bash #Author: Surendra Anne([email protected]) #Purpose: To convert any video file into a GIF image file. After discussions with some kernel developers it appears that new processes are placed on the least-busy core, however that doesn't explain why bash keeps moving or why each expr instance moves once. Explains how to sleep bash script using the sleep command under Linux / UNIX / BSD / Apple OS X to add delay for a specified amount of time. Debugging a Linux BASH shell script. Use -x and -v switches to get more insight into what BASH is doing.