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how to implement null validation...


bashshellunix

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Creating a project, from Makefile to static/dynamic libraries in UNIX...


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How to concatenate files that have the same beginning of a name?...


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Replace digits using sed...


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Python 3.12 code in USS on z/OS Mainframe - Non-UTF-8 code on Line 1 issue...


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Rename a file but keeping the orginal creation, modification time in UNIX...


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Grep usage in unix, cannot identify the lower/upper case...


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How can I reverse the order of lines in a file?...


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Which characters need to be escaped when using Bash?...


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How to sort characters in a string?...


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Quick unix command to display specific lines in the middle of a file?...


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Shell Script compare file content with a string...


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Replace \n with space in jq query/command output without tr and sed commands...


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How to cat <<EOF >> a file containing code?...


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How to pass password from file to mysql command?...


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How to remove EXIF data without recompressing the JPEG?...


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How to colorize diff on the command line...


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Add milliseconds to timestamp (bash, unix)...


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To show only file name without the entire directory path...


shellunixdirectoryls

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Is nesting of Here Document possible in a unix bash script?...


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How to add strings to fasta identifiers...


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How to unzip a .vw.gz file in linux?...


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How to replace newlines with tab characters?...


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Syntax highlighting/colorizing cat...


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Does csplit on OS X not recognise '$' as end-of-line character?...


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grep --ignore-case --only...


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How to convert a Unix epoch time to a Pascal TDateTime(double) in C++...


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