linux productive command line

bash.sh

#!/bin/bash

##### find the last modified file (exclude folder)
# show files sorted by modification time in reverse order
alias lsr="ls -ctrla"
lsrexec(){ find . -maxdepth 1 -type f -exec ls -ctrA1 "{}" +; }
lsrlast(){ lsaexec | tail -n1; }
# example to find the last modified file with 'tar' in its name: lsagrep tar
lsrgrep(){ lsaexec | grep $1 | tail -n1; }