Paste a few scripts that I usually use.

Paste a few scripts that I usually use.-Linux general technology-Linux programming and kernel information. The following is a detailed description. #! /Bin/bash
# Find a text in all files of the directory, include the subdirs
# Usage: finddir text
PWD = $ (pwd)
DIR = $ (du-a $ PWD | cut-f2)

For I in $ DIR
Do
Grep-n $ * $ I
Done

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#! /Bin/bash
# Link all file and directory in the source directory to target directory
# Usage: linkdir sourcedir targetdir
Source = $1
Target = $2
FILE =$ (ls $1)
For I in $ FILE
Do
Ln-s $ source/$ I $ target/$ I
Done


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#! /Bin/bash
# Remove all directory in the current dir
# Usage: removedir
Name = $ (ls)
Echo "wait ..."
For I in $ name
Do
If [-d $ I]
Then
Echo "removing $ I"
Rm-fr $ I
Fi
Done
Echo "done! "


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#! /Bin/bash
# Rename all files in the current dir with a same prefix, keep the surffix of files
# Renamefile prefix
Count = 0
Files = $ (ls)
Name = ""
Prefix = $ *
Suffix = ""
For I in $ files
Do
# The file renamefile must be excluded!
If [$ I! = "Renamefile"-a-f $ I]
Then
# Cut the suffix of file
Suffix = $ (echo $ I | cut-d.-f2)
Count = $ (expr $ count + 1)
Name = $ prefix $ count "." $ suffix
Mv $ I $ name
Fi
Done

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