May 8, 2018 · searchString="Hello World" file="./test.log" if grep -Fxq "$searchString" $file then echo "String found in $file" else echo "String not found in $file" fi From the man file: -F, --fixed-strings Interpret PATTERN as a list of fixed strings, separated by newlines, any of …

Aug 28, 2012 · If you are using bash (and not sh), you can use [[ condition ]], which behaves more predictably when there are spaces or other special cases in your condition. Otherwise it is generally the same as using [ condition ] .

You can use -exec in find as a condition -- the file matches if the command returns a successful exit code. So you can write: find /abc/test -type f -name 'tst*.txt' -mtime -1 -exec grep -q 'case=1' {} \; -exec grep -Po '(?<type1).*(?=type1|(?<=type2).*(?=type2)' {} \;

Mar 26, 2015 · How can I use the result of a find command in an if statement and compare with true or false? Something like this: if [ `find . -name test.txt -size 156c`="true" ]; then echo Found; fi This is the whole script: #!/bin/bash if [ $# -ne 2 ] then echo Not enough params fi if [ `find . -name $1 -size $2c | grep -q .` -eq 0 ] then echo OK fi

Jun 6, 2013 · Use find to search files, Execute grep on all of them. This gives you the power of find to find files. Use -name Pattern if you want to grep only certain files: find /path/to/somewhere/ -type f -name \*.cpp -exec grep -nw 'textPattern' {} \; You can use different options of find to improve your file search.

Sep 1, 2023 · You can easily find out if a regular file does or does not exist in Bash shell under macOS, Linux, FreeBSD, and Unix-like operating system. You can use [ expression ] , [[ expression ]] , test expression , or if [ expression ]; then .... fi in bash shell along with a ! operator.

May 9, 2024 · To check whether a file exists in Bash, you can generally use the file test operator “-e” with any conditional test syntax. Moreover, you can use the “-f” operator with an ‘if’ conditional statement to check if a file exists and if it is a regular file, excluding directories.

May 31, 2023 · if [ $(find $file -mmin -5 -type f) ="true" ]; Again, using split+glob on both $file and the output of find. You're also missing a space after the = so the [command won't see a = comparison operator argument but a bogus =true one.

Aug 23, 2022 · If you want to know whether a file exists regardless of what kind of file it is, you can use the -a or the -e test. $ if [ -e symlink ]; then > echo file exists > else > echo no such file >...

Sep 2, 2019 · find . -type f \( -name '*.jpg' -or -name '*.png' \) -not -name "cover.*" Adding type -f will make the find command look only for files. In your second command, you need to add a space after \( and before \) (you also forgot \ before (). Also, you don't need a - between -not and -name.