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sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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Echo tab characters in bash script
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That's because echo -e is not POSIX and make calls /bin/sh which is normally not the program use use interactively, and normally hasn't -e implemented. For portability, use printf '\t' instead.
– Jo So
Oct 5 '12 at 19:02
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Count how many files in directory PHP
...n you include other directories within that directories and so on to count all files and exclude directories from the count?
– The Bumpaster
Jul 2 '16 at 13:40
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How to select all records from one table that do not exist in another table?
...e = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion of our result empty for that row. The...
What does ^M character mean in Vim?
...(0x0D = 13, M is the 13th letter in the English alphabet).
You can remove all the ^M characters by running the following:
:%s/^M//g
Where ^M is entered by holding down Ctrl and typing v followed by m, and then releasing Ctrl. This is sometimes abbreviated as ^V^M, but note that you must enter i...
Why does Eclipse complain about @Override on interface methods?
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You know, since I build manually anyway, I can just leave the source level at 1.6. I could not get any sort of mixed configuration working, and this seems simplest.
– Stefan Kendall
Jun 12 '09 at 18:32
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How to flip windows in vim? [duplicate]
If I have 2 horizontally split windows, how to rotate them to get 2 vertically split windows?
4 Answers
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bash: Bad Substitution
...ported by some other shell (probably dash). Questions don't always contain all the needed details, and we must join the dots... anyway feel free to downvote my answer.
– Vanni Totaro
Dec 1 '15 at 11:10
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How to temporarily exit Vim and go back
... Can use $ ps to find whether we're in a vim sub-shell before calling $ exit to avoid closing the terminal accidentally. Found this here (I haven't tried the prompt indicator mentioned on the website).
– Daniel
May 2 '19 at 10:07
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How to merge every two lines into one from the command line?
...utput is ansi colored. Tested on Ubuntu 13.04
– Leo Gallucci
Dec 9 '13 at 22:54
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@elgalu: Becaus...