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What are the uses of the exec command in shell scripts? [closed]
Can anyone explain what are the uses of the exec command in shell scripting with simple examples?
2 Answers
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Adding console.log to every function automatically
...oads.
console.log = function(msg) {
// Add whatever you want here
alert(msg);
}
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Forward function declarations in a Bash or a Shell script?
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Great question. I use a pattern like this for most of my scripts:
#!/bin/bash
main() {
foo
bar
baz
}
foo() {
}
bar() {
}
baz() {
}
main "$@"
You can read the code from top to bottom, but it doesn't actually start executing until the last line. By passing "$@" to...
PowerShell script to return versions of .NET Framework on a machine?
What would a PowerShell script be to return versions of the .NET Framework on a machine?
16 Answers
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Using IPython notebooks under version control
... above result in ImportErrors, try adding "ipython" before the path of the script:
git config --global filter.dropoutput_ipynb.clean ipython ~/bin/ipynb_output_filter.py
EDIT: May 2016 (updated February 2017): there are several alternatives to my script - for completeness, here is a list of thos...
Multiline bash commands in makefile
...sub-command is run in its own shell. This makes writing non-trivial shell scripts a little bit messy -- but it is possible! The solution is to consolidate your script into what make will consider a single sub-command (a single line).
Tips for writing shell scripts within makefiles:
Escape the s...
How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip
...pting to add word count into my textbox.
However after adding the the javascript codes and the html codes. I receive the error as stated above.
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Recursively look for files with a specific extension
...and safer - deals with whitespace in filenames and directory names).
Your script is probably failing for entries that don't have a . in their name, making $extension empty.
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Check number of arguments passed to a Bash script
I would like my Bash script to print an error message if the required argument count is not met.
10 Answers
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