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Find the files existing in one directory but not in the other [closed]

... diff -r dir1 dir2 | grep dir1 | awk '{print $4}' > difference1.txt Explanation: diff -r dir1 dir2 shows which files are only in dir1 and those only in dir2 and also the changes of the files present in both directories if any. diff -r dir1 dir2 | grep dir1 shows which files are only ...
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“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica

... The problem is with the string "C:\Users\Eric\Desktop\beeline.txt" Here, \U in "C:\Users... starts an eight-character Unicode escape, such as \U00014321. In your code, the escape is followed by the character 's', which is invalid. You either need to duplicate all backslashes: "C:\\U...
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Creating a ZIP Archive in Memory Using System.IO.Compression

...hiveMode.Create, true)) { var demoFile = archive.CreateEntry("foo.txt"); using (var entryStream = demoFile.Open()) using (var streamWriter = new StreamWriter(entryStream)) { streamWriter.Write("Bar!"); } } using (var fileStream = new FileStream(@"C:\...
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How to display line numbers in 'less' (GNU)

...ize the line numbers and option -R to let less display colors: cat -n file.txt | sed 's/^[ 0-9]*[0-9]/\o033[34m&\o033[0m/' | less -R You may also customize LESSOPEN... Cheers ;) – olibre Aug 28 '13 at 11:11 ...
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How do I write JSON data to a file?

... btw: to re read the data use: with open('data.txt') as infile: d = json.load(infile). See: this answer – klaas Mar 7 '16 at 12:59 ...
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HTML5 canvas ctx.fillText won't do line breaks?

...'c').getContext('2d'); c.font = '11px Courier'; console.log(c); var txt = 'line 1\nline 2\nthird line..'; var x = 30; var y = 30; var lineheight = 15; var lines = txt.split('\n'); for (var i = 0; i<lines.length; i++) c.fillText(lines[i], x, y + (i*lineheight) ); canvas{backgro...
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Linux command or script counting duplicated lines in a text file?

... Try this cat myfile.txt| sort| uniq share | improve this answer | follow | ...
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Replace comma with newline in sed on MacOS?

... Apparently \r is the key! $ sed 's/, /\r/g' file3.txt > file4.txt Transformed this: ABFS, AIRM, AMED, BOSC, CALI, ECPG, FRGI, GERN, GTIV, HSON, IQNT, JRCC, LTRE, MACK, MIDD, NKTR, NPSP, PME, PTIX, REFR, RSOL, UBNT, UPI, YONG, ZEUS To this: ABFS AIRM AMED BOSC CALI E...
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/etc/apt/sources.list" E212: Can't open file for writing

...o to create a root owned read only file for a lower user: sudo touch temp.txt sudo chown root:root temp.txt sudo chmod 775 temp.txt whoami el First open the file as normal user: vi temp.txt Then make some changes to the file, it warns you its read only. Use this command. :w !chmod 777 % Th...
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Bash: If/Else statement in one line

...xplicitly check $?. Just do: ps aux | grep some_proces[s] > /tmp/test.txt && echo 1 || echo 0 Note that this relies on echo not failing, which is certainly not guaranteed. A more reliable way to write this is: if ps aux | grep some_proces[s] > /tmp/test.txt; then echo 1; else ec...