I am trying get a output printed on a same line using echo command in bash script. A for loop is one of the prime statements in various programming languages. Emulating a Traditional Numeric For Loop Bash scripts often deal with lists of files or lines of output from other commands, so the for in type of loop is common. Bash For Loop Guide and Examples. Bash is a fully functional scripting language that incorporates Variables, Loops and If/Then statements; the bash shell allows a user to use these functions while performing adhoc tasks via the command line. Echo Command is given inside a loop, everytime the loop runs, executes a echo command. However, for complicated IT automation tasks, you should use tools like Ansible, Salt, Chef, pssh and others. Bash recognizes this case and treats for a do as the equivalent of for a in $@ do where $@ is a special variable representing command-line arguments. This is also true for the other common shells such as … In theory, you could find a shell that doesn't provide a for loop function, or you may just prefer to use a different command with added features. In tcsh, both foreach and end must appear alone on separate lines, so you cannot create a for loop on one line as you can with Bash and similar shells. Example 7: How to Check the Memory Stats using bash for loop in Linux. This function is simple and achieves what we want pretty simply, but it’s also five lines, counting the definition line, has a variable that we do nothing but append to and finally return. However, the reverse is not true; you cannot arbitrarily replace newlines with semicolons. Line 14 I am using a while loop if [ ! The only real working part of the function is the for loop. Bash recognizes this case and treats for a do as the equivalent of for a in $@ do where $@ is a special variable representing command-line arguments. You learned how to use the bash for loop with various example. Video 01: 15 Bash For Loop Examples for Linux / Unix / OS X Shell Scripting Conclusion. This is how my sample small code look: Note: Observe that the only difference between first type of for loop and this one is the double quotes around string variable. If a line has a space in it, the loop executes TWICE or more for that one line. The bash $(