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What is the difference between . . and source? [duplicate] When the script is done, any changes that it made to the environment are discarded script The above sources the script It is as if the commands had been typed in directly Any environment changes are kept source script This also sources the script The source command is not required by POSIX and therefore is less portable than the shorter
Source vs . why different behaviour? - Unix Linux Stack Exchange source is a shell keyword that is supposed to be used like this: source file where file contains valid shell commands These shell commands will be executed in the current shell as if typed from the command line
ZSH: Whats the difference between `. ` and `source`? I used to think that the built-ins and source are equivalent This question agrees with me when it comes to bash However I encountered the following using zsh: desktop ~ pst env usr bin e
Why was the dot (. ) used as an alias for source why dont other . . . The source command was introduced by the csh in 1977 or 1978 So there is not an alias relation but two different names for an "invention" at the same time BTW: I can tell you why cd is named this way The command previously had been called chdir, but this was too long (slow to type) for the upcoming 110 Baud modems in 1974
Load variables with source with a single line scope Use a sub-shell: ( source env source script bash ) The environment inside the sub-shell is destroyed when the sub-shell terminates Or, in bash, set BASH_ENV for the script: BASH_ENV= env source script bash The BASH_ENV variable comes into effect for non-interactive shells (i e scripts) If the variable is set to the pathname of a dot-script, that dot-script will be sourced before the
convert executable back to C source code Unfortunately I lost my source code and I just have the output file that made with gcc in linux and I don’t have any access to my pc now is there any way to convert output file to source file (in c
Is there a source code available for patch command in Linux? I am looking for a source code for the patch command used in Linux Does anyone know if there is one available? I am looking for a something which is compatible to POSIX or more specifically QNX v7