Bash shell scripting combining *.txt into one file?

This appends the output to all. Txt cat *. Txt >> all.

Txt This overwrites all. Txt cat *. Txt > all.txt.

Please format your code samples as source code (4 leading spaces). – Andrey Vlasovskikh Jan 27 '10 at 23:16 my mistake. Thanks.

– Robert Greiner Jan 27 '10 at 23:35 2 you may run into a problem where it cats all. Txt into all.txt... I have this problem with grep sometimes, not sure if cat has the same behavior. – rmeador Jan 27 '10 at 23:54 @rmeador yes, that is true, if all.

Txt already exists you will have this problem. This problem is solved by providing the output file with a different extension, or moving all. Txt to a different folder.

– Robert Greiner Jan 27 '10 at 1:11.

The Windows shell command type can do this: type *. Txt >outputfile Type type command also writes file names to stderr, which are not captured by the > redirect operator (but will show up on the console).

Just remember, for all the solutions given so far, the shell decides the order in which the files are concatenated. For Bash, IIRC, that's alphabetical order. If the order is important, you should either name the files appropriately (01file.

Txt, 02file. Txt, etc...) or specify each file in the order you want it concatenated. $ cat file1 file2 file3 file4 file5 file6 > out.txt.

You can use Windows shell copy to concatenate files. C:\> copy *. Txt outputfile From the help: To append files, specify a single file for destination, but multiple files for source (using wildcards or file1+file2+file3 format).

The most pragmatic way with the shell is the cat command. Other ways include, awk '1' *. Txt > all.

Txt perl -ne 'print;' *. Txt > all.txt.

Perl -pe 1 *. Txt > all. Txt – glenn jackman May 3 at 19:45.

All of that is nasty.... ls | grep *. Txt | while read file; do cat $file >> . /output.

Txt; done; easy stuff.

1 Eeek! Don't do that. Do find .

-iname "*. Txt" -maxdepth 1 -exec cat {} >> out. Txt \; – Chinmay Kanchi Jan 28 '10 at 11:43.

Type source folder\*. File extension > destination folder\file name. File extension For Example: type C:\*.

Txt > C:\1\all. Txt That will Take all the txt files in the C:\ Folder and save it in C:\1 Folder by the name of all. Txt Or type source folder\* > destination folder\file name.

File extension For Example: type C:\* > C:\1\all. Txt That will take all the files that are present in the folder and put there Content in C:\1\all.txt.

DIR="/your/dir/here/"; PREFIX="txt sh"; FILENAME="/allmyfiles. Txt"; cd $DIR; touch $FILENAME; for a in $PREFIX; do for be in $(ls $DIR$PREFIX); do echo " # Start $b $(cat $b) # End $b" >> $FILENAME; done done; ;) EDIT: Store/Append directly to the file.

Just wait until you try to stitch together thirty 2GB files and see how well that works out for you... :-p – Steven Schlansker Jan 27 '10 at 23:22 stored directly on the file now :) – CuSS Jan 28 '10 at 11:17 ls $DIR$PREFIX --> ls /your/dir/here/txt. Where's the wildcard? – glenn jackman May 3 at 19:44.

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