Hello, When searching for a pattern that includes "-/", the pattern is interpreted as option: [dsg@db01]# grep "-" example.txt --/-- [dsg@db01]# grep "/" example.txt --/-- [dsg@db01]# grep "-/" example.txt grep: invalid option -- '/' Usage: grep [OPTION]... PATTERN [FILE]... Try 'grep --help' for more information. [dsg@db01]# grep --version grep (GNU grep) 2.20 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Mike Haertel and others, see . Kind regards Daniel abraxas Softwareentwicklungsgesellschaft mbH Postfach 110101 D-66070 Saarbrücken Altenkesselerstr. 17, Geb.C1 66115 Saarbrücken Tel +49(0)681 976185-59 Daniel.Schaettgen@abraxas.de HRB: 9540, Saarbrücken GF: Daniel Schaum & Andreas Heid https://www.abraxas.de __________________________ Profidata Group Investment Management Solutions