environment variable

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bash debug – log all executed commands

2014/02/03

Whenever I am writing a script in perl or bash, I always wish that there was some way to have all the commands logged or output to screen. I know there is “set -x” option to have debugging enabled, …

Print all environment variables, including hidden ones

2010/11/09

Print all environment variables, including hidden ones […] <td> <div class="text codecolorer"> for _a in {A..Z} {a..z};do _z=${!${_a}*};for _i in `eval echo …

Verify all the paths in the PATH directory

2010/06/08

Here is the command to test that all the directories in your path actually exist. […] (<a class="zem_slink freebase/en/internal_field_separator" title="Internal field …


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