Examples of programming questions in shell

How do you parse a filename in bash?
How do I manipulate $PATH elements in shell scripts?
Why is "echo foo | read a ; echo $a" not working as expected?
Counting no. of Delimiter in a row in a File in Unix
format bash variable for command
How to test if a given path is a mount point
How to recursively list all files and directories
Uses for this bash filename extraction technique?
How do I recursively list all directories at a location, breadth-first?
Iterating over two lists in parallel in /bin/sh
Shell status codes in make
Is there a way to indicate the last n parameters in a batch file?
Find out if a command exists on POSIX system
How can I add a custom url handler on Windows. Like iTunes itms://
Python module to shellquote/unshellquote?
Add (collect) exit codes in bash
How to check with PHP if the script is being run from the console or browser request?
Using 'expect' to automatically send in password
curl progress - only show percentage
How do I find the latest version of an artifact from a maven repository
symlink-copying a directory hierarchy
How to accept command-line args ending in backslash
Bash - $PATH and ${PATH}
VBA Shell and Wait with Exit Code
How can I implement my own basic unix shell in C?
How to use for loops in command prompt in csh shell -- looking for decent one liners
Iterating through a range of ints in ksh?
Make Arrow and delete keys work in KornShell command line
How do I get the window handle of the desktop?
escape character in vim command
encoding of file shell script
Execute a shell command from a .NET application
Using apple's Automator to pass filenames to a shell script
A simple small shell script to compute averages
How to execute a windows batch command recursively?
assigning value to shell variable using a function return value from Python
How to pipe a here-document through a command and capture the result into a variable?
Is it possible to do a grep with keywords stored in the array?
How do I divide the output of a command by two, and store the result into a bash variable?
shell-scripting: Use a pipe as an input for tar
How do I run a sudo command in Emacs?
Signal Handling in C
bash "map" equivalent: run command on each file
Copy/Paste in emacs ansi-term shell
untar filename.tr.gz to directory "filename
Help with basic shell script. /bin/sh: source: not found
Bash's equivalent of Tcsh's ESC-p to jump to command starting with what you typed so far
what are shell built-in commands in linux?
check if a line is empty using bash
fastest hashing in a unix environment?
gzipping up a set of directories and creating a tar compressed file
Delphi notification when a file gets updated
Javascript interpreter for Linux
Globbing/pathname expansion with colon as separator
Remove entry from array
Is it possible to make a bash shell script interact with another command line program?
Calling 'git pull' from a git post-update hook
Why do I get a "sqlite3: not found" error on a rooted Nexus One when I try to open a database using the adb shell?
Bash: echo string that starts with "-
How to shave off last character using sed?
Is it possible to build a interactive C shell?
Sending keyboard input to a program from command-line
My shell script stops after exec
Using shell script to insert data into remote MYSQL database
cd -1, -2, -3 etc in Z shell
Grep Search all files in directory for string1 AND string2
Sort by number of occurrences
What's the difference between the `USER` and `USERNAME` environment variables?
Stay in directory changed after ending of bash script
How can I replace dot in Bash shell?
How do I know if I'm running a nested shell?
Import Multiple .sql dump files into mysql database from shell
Redirect Standard Output/error to log file
Writing a Basic Shell
Ignore comments (#) using sed, but keep the lines untouched
Inside python code, how do I run a .sh script?
Getting exit status code from 'ftp' command in linux shell
Windows shell add item to context menu when click on blank part of folder
How to overwrite a printed line in the shell with Ruby?
Do a tail -F until matching a pattern
Pick and print one of three strings at random in Bash script
Convert csv to html table using
TMUX: how to make new window stay when start shell-command quits?
How can I tell whether I'm in a screen?
Shell script changing desktop wallpaper
syntax error near unexpected token `('
bash script to find pattern in text file and return entire line
Output the root directory in a tar archive
Linux shell programming string compare syntax
Multiple commands through JSch shell
Shell script random number generating
Shell commands from vim
regexp (sed) suppress "no match" output
Linux - Save only recent 10 folders and delete the rest
Make java program return value to calling shell script
Bash inserting quotes into string before execution
Escaping Shell Commands In java?
What grep command will include the current function name in its output?
VBA Shell function in Office 2011 for Mac
Replacing one char with many chars with using tr
How do I determine if a shell script is running with root permissions?
grep a pattern and output non-matching part of line
Shell script to get the process ID on Linux
Can I use shell wildcards to select filenames ranging across double-digit numbers (e.g., from foo_1.jpg to foo_54.jpg)?
Remove ^H and ^M characters from a file using Linux shell scripting
WGET: Removing 'filename' since it should be rejected
When do you use (( )) or /usr/bin/test
Linux command for physical memory, getting the value only
remove files when name does NOT contain some words
Linux command to run script at intervals
How to specify the current directory in Windows Shell?
Return value from a Java code
How to Pass parameters for a Ant script , which is invoked via shell script?
Remove function definition (unalias equivalent)
How to output return code in shell?
Echo to both stdout and stderr
UNIX sort ignores whitespaces
set -e and short tests
Shell script, saving the command value to a variable
shell cut command to remove characters
How to default to other directory instead of home directory
Bash/sh 'if else' statement
How does grep work?
run bash command in new shell and stay in new shell after this command executes
Convert hexadecimal color to decimal RGB values in UNIX shell script
logrotate compress files after the postrotate script
Find Git branch name in post-update hook
Get users home directory when they run a script as root
Checking in bash and csh if a command is builtin
Handling input confirmations in Linux shell scripting
sed Extract version number from string (only version, without other numbers)
How to disable 'zip' warning in bash?
sed command creates randomly named files
Merging two files with cat without new line
How can I force PHP Version for Command Line?
Best way to capture output from system command to a text file?
redirect command output into variable and standard output in ksh
Bash convention for if ; then
exec() any command in C
Set system variable from C++
Execute multiple shell scripts concurrently
rsync exclude a directory but include a subdirectory
How to get the first column of comm output?
How to run a script at the start up of Ubuntu?
How to use "cmp" to compare two binaries and find all the byte offsets where they differ?
execve("/bin/sh", 0, 0); in a pipe
Concise and portable "join" on the Unix command-line
mongo shell script won't let me include "use <database>
using comm to diff two files
Edit a property value in a property file from shell script
How to use a for loop in make recipe
How to convert command output to an array line by line in bash?
Bash shell script to grab a substring?
Recursively move files of certain type and keep their directory structure
Echo text to multiple files using find
ksh function return value in parentheses
Shell scripting - which word is first alphabetically?
Is there any way to find out changed file after some date in whole project code?
Hash inside Makefile shell call causes unexpected behaviour
Implementing infinite wait in shell scripting
How to get the process id of a bash subprocess on command line
Capturing the PID of a background process started by a Makefile
Perl get UTC time and get difference between UTC timestamps
Does KornShell (ksh) have a Do...While loop?
Copy/Paste part of a file into another file using Terminal (or Shell)
mkdir command for a list of filenames paths
ADB Shell giving bad mode when executing chmod (under su)
concatenate inputs in bash script
Trap function by passing arguments?
Linux script to convert byte data into a hex string
How to get Cmd-left/right working with iTerm2 and Vim (without requiring .vimrc changes)?
Concatenating string variable inside a for loop in the bash shell
How do you clone ( duplicate ) a MongoDB object in a collection of the same db?
Shell script call from Android.mk, standard output and missing separator error
The difference between $* and $@
comparison of integer and floating point numbers in shell script
How to write integer to binary file using Bash?
How do I get a list of all available shell commands
Ruby Backticks - break command into multiple lines?
Bash: How to compare arguments with if statement?
How to generate targets in a Makefile by iterating over a list?
Invoking SOAP request from shell command
Are there any languages that compile to Bash?
How can I run Linux commands on an Android device?
Shell script substring from first indexof substring
If statement throws unexpected end of file in shell script
'Unexpected end of file' and 'error importing function definition' error running shellscript using qsub
How to invoke bash or shell scripts from a haskell program?
Bash script with graphical menus
Bash - Extract numbers from String
Bash - How to get the name a folder inside the current folder?
How do I sudo if in Bash?
sass watching multiple directories
Opening default text editor in bash?
How to run a shell command through vimscript?
Sending a process to the background and returning control to my shell
Read argument with spaces in python script from a shell script
What are the rules of string manipulation when using backticks (grave accents)?
Run a shell command when a file is added
Take the list of attached devices
What is the *nix command to view a user's default login shell
What does the "=~" operator do in shell scripts?
Delete first line of file if it's empty
How do I add another value to a dictionary in MongoDB?
Open Chrome from terminal with developer console open
Setting default database for MongoDB shell
A simple if/else bash script which reacts to user's yes/no input?
Using a shell script to automatically kill processes
OSX: check if the screen is locked
How to get rid of the headers in a ps command in Mac OS X ?
How can I do float comparison in Bash?
Is there a better way to display cpu usage in tmux?
Sed with multiple criteria
Add a column to any position in a file in unix [using awk or sed]
sh: ...: is not an identifier when trying to invoke shell scripts using plink
shell script function return a string
Read common name from .pem file
Check if Tomcat is running via shell script
Scope of variables in KSH
Renaming files with Bash, removing prefix and suffix
how to check if a host is in your known_host ssh
shell: delete the last line of a huge text log file
Running script commands after SSH
Is there a way to get my emacs to recognize my bash aliases and custom functions when I run a shell command?
Echo command, and then run it? (Like make)
Insert text before a certain line using Bash
Script to create individual zip files for each .txt file it finds and move them after
shell init issue when click tab, what's wrong with getcwd?
bash loop skip commented lines
How to avoid a bash script from failing when -e option is set?
Store PostgreSQL query result to Shell or PostgreSQL variable
Length of shortest line?
How to delete every other file in a directory from a shell command?
select multiple lines using the linux command sed
How to get output of a bash command in a variable
wget and run/remove bash script in one line
Pass ATTR{idVendor} as argument in udev script
Redirect nohup's stderr to nohup.out
Java Execute Shell Script Bundled within JAR
Run three shell script simultaneously
Killing a process in cmd or shell using a script
IO Redirection - Swapping stdout and stderr
Increment with bash
How to compare hexadecimal numbers with hexadecimal numbers in shell?
Run one command after another, even if I suspend the first one (Ctrl-z)
Reading a file inside makefile
How can I launch powershell.exe with the "default" colours from the PowerShell shortcut?
passing arguments to shell script from udev rules file
Linux shell script : make a folder with the current date name
Bash while read loop extremely slow compared to cat, why?