bash add text to file
echo "hello world" >> my_file.txtbash add text to file
echo "hello world" >> my_file.txthow to append string to file names in linux
$ ls -all
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file1.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file2.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file3.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file4.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file5.txt
$ for f in *;do mv -v "$f" "${f%.*}hallo.${f##*.}";done
'file1.txt' -> 'file1hallo.txt'
'file2.txt' -> 'file2hallo.txt'
'file3.txt' -> 'file3hallo.txt'
$ ls -all
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file1hallo.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file2hallo.txt
-rw-r--r-- 1 29847 29847 0 Aug 21 14:33 file3hallo.txtCopyright © 2021 Codeinu
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