else echo "Strings are not equal." fi 2. 使用 tr 命令去除所有空白字符 代码语言:txt 复制 string1=$(echo "your_string" | tr -d '[:space:]') string2=$(echo "your_string" | tr -d '[:space:]') if [ "$string1" == "$string2" ]; then echo "Strings are equal." else echo...
Bash string comparison It is advisable always to check and compare if two strings are equal in a Bash script; this is quite important for different reasons. If two strings are equal in a Bash script, it implies that both strings have the same length and character sequence. The “if” stat...
Bash while Loop String Comparison The string comparison can be a little tricky using the while loop. In the context of shell scripting the-eqare calledinteger comparison operators. So, these operators cannot be used to compare strings. To compare strings in the shell scripting the string comparis...
Thesebinarylogical expressions compare two values, but there are alsounarylogical expressions that only look at one value. For example, you can test whether or not a file exists using the-elogical flag. Let’s take a look at this flag in action: cd~/Code[[-emath.sh]]&&echot||echof #...
then # compare the two versions: if [[ "$(<setupTermuxArch.bash)" != "$(<setupTermuxArch.tmp)" ]] # the two versions are not equal: then # copy the newer version to update: cp setupTermuxArch.bash "${WDIR}setupTermuxArch.bash" printf "\\e[0;32m%s\\e[1;34m: \\e[...
Comparison operators are used in bash to compare two strings to check if they are equal or not. Here, we will list some comparison operators including, string, and integer operators. Integer Operators Operators Explanation -eq is equal to -ne is not equal to -gt is greater than -ge is gr...
Check file types and compare values. Returns 0ifthe condition evaluates totrue, 1ifit evaluates tofalse. More information: https://www.gnu.org/software/bash/manual/bash.html#index-_005b_005b. - Testifa given variable is equal/not equal to the specified string: ...
Check file types and compare values. Returns 0 if the condition evaluates to true, 1 if it evaluates to false. More information: https://www.gnu.org/software/bash/manual/bash.html#index-_005b_005b. - Test if a given variable is equal/not equal to the specified string: ...
Function doc_test_compare_result>>> local buffer="line 1 >>> line 2" >>> local got="line 1 >>> line 2" >>> doc_test_compare_result "$buffer" "$got"; echo $? 0>>> local buffer="line 1 >>> foo" >>> local got="line 1 >>> line 2" >>> doc_test_compare_result "$...
= STRING ]] # Not Equal [[ STRING =~ STRING ]] # Regexp [[ NUM -eq NUM ]] # Equal [[ NUM -ne NUM ]] # Not equal [[ NUM -lt NUM ]] # Less than [[ NUM -le NUM ]] # Less than or equal [[ NUM -gt NUM ]] # Greater than [[ NUM -ge NUM ]] # Greater than ...