greycat 1179767498 learn A shell keyword similar to (but more powerful than) the [ command. See http://wooledge.org/mywiki/BashFAQ#faq31 lhunath 1187990799 forget lhunath 1187990917 learn A shell keyword similar to (but more powerful than) the [ command. See http://wooledge.org/mywiki/BashFAQ#faq31 and http://wooledge.org/mywiki/BashGuide#Bash_Tests igli 1190605797 forget igli 1190605838 learn [[ is a shell keyword similar to (but more powerful than) the [ command. See http://wooledge.org/mywiki/BashFAQ#faq31 and http://wooledge.org/mywiki/BashGuide#Bash_Tests Unless you are scripting for POSIX sh we recommend [[. igli 1204654832 forget igli 1204654860 learn [[ is a shell keyword similar to (but more powerful than) the [ command. See http://wooledge.org/mywiki/BashFAQ/031 and http://wooledge.org/mywiki/BashGuide#Bash_Tests Unless you are scripting for POSIX sh we recommend [[. kojiro 1243559064 forget kojiro 1243559116 learn [[ is a bash keyword similar to (but more powerful than) the [ command. See http://mywiki.wooledge.org/BashFAQ/031 and http://mywiki.wooledge.org/BashGuide#Bash_Tests Unless you are scripting for POSIX sh we recommend [[. geirha 1256387451 forget geirha 1256387468 learn [[ is a bash keyword similar to (but more powerful than) the [ command. See http://mywiki.wooledge.org/BashFAQ/031 and http://mywiki.wooledge.org/BashGuide/Practices/BashTests Unless you are scripting for POSIX sh we recommend [[. greycat 1273072401 forget greycat 1273072403 learn [[ is a bash keyword similar to (but more powerful than) the [ command. See and . Unless you're writing for POSIX sh, we recommend [[.